• Supporting Crimson Battle Mech

    Supporting Crimson Battle Mech

    Entrada de Corriente y Fusible Qué hace: Es el punto de partida. La electricidad de 120V entra a tu prototipo. El fusible es el guardián de seguridad principal. Dónde se conecta: El Cable de Alimentación se conecta al enchufe de la pared. Dentro de la caja, el cable VIVO (el que lleva la potencia, usualmente negro o rojo) se conecta a una patita del Portafusible. Dónde termina: La otra patita del Portafusible es ahora la salida segura del cable VIVO. 2. Fuente de Poder (HLK-PM01) Qué hace: Es el "transformador" que alimenta al cerebro. Convierte los peligrosos 120V en 5V seguros. Dónde se conecta: Sus dos pines de entrada (AC) se conectan a los cables VIVO (justo después del fusible) y NEUTRO de la entrada de corriente. Dónde termina: Sus dos pines de salida (DC) entregan 5V. El pin +5V se conecta al pin VIN del ESP32. El pin GND (tierra) se conecta a un pin GND del ESP32. 3. Sensor de Voltaje (ZMPT101B) Qué hace: "Observa" el voltaje de la línea de 120V de forma segura. Dónde se conecta: Sus dos pines de entrada (AC) se conectan igual que la fuente de poder: al VIVO (después del fusible) y al NEUTRO. Dónde termina: Su pin de salida de señal (Aout o Signal) se conecta a un pin analógico del ESP32 (por ejemplo, GPIO35). También necesita alimentación, así que sus pines VCC y GND se conectan a los pines 3.3V y GND del ESP32. 4. Sensor de Corriente (WCS1600) Qué hace: "Siente" cuánta corriente (amperios) está pasando hacia la licuadora. Dónde se conecta: El cable VIVO de 120V (el que viene del fusible) pasa a través del agujero blanco del sensor. No se conecta eléctricamente, solo pasa por en medio. Dónde termina: La placa del sensor tiene 3 pines de control: VCC se conecta al pin 3.3V del ESP32. GND se conecta a un pin GND del ESP32. Aout (salida analógica) se conecta a otro pin analógico del ESP32 (por ejemplo, GPIO34). 5. Relé de Estado Sólido (SSR-25 DA) Qué hace: Es el interruptor inteligente. Actúa como una compuerta que abre o cierra el paso de la electricidad a la licuadora. Dónde se conecta: Lado de Potencia (AC): El cable VIVO (que ya pasó por el sensor de corriente) se conecta a uno de los terminales de alta potencia del SSR. Lado de Control (DC): El pin de control DC+ del SSR se conecta a un pin digital del ESP32 (por ejemplo, GPIO23). El pin DC- se conecta a un pin GND del ESP32. Dónde termina: El otro terminal de alta potencia del SSR se conecta al terminal "vivo" del tomacorriente final. 6. Tomacorriente de Salida (a la Licuadora) Qué hace: Es el enchufe final donde conectas tu aparato. Dónde se conecta: Su terminal VIVO recibe el cable que viene de la salida del SSR. Su terminal NEUTRO recibe el cable NEUTRO directamente desde la entrada de corriente principal. Dónde termina: ¡Aquí termina el viaje! La licuadora recibe la electricidad controlada y medida por tu prototipo.


  • EVSE Circuit Board

    EVSE Circuit Board

    A 3.3KW EVSE Circuit Board that has provision for Control Pilot signal. The whole Board will be Controlled Using ESP32 38-pin Dev kit.


  • Ground

    Ground

    A common reference point and return path for electric current in electronic circuits—commonly referred to as ground. It serves as the baseline voltage level and is essential for stable circuit operation and signal integrity.


  • Secret Crimson Hoverboard

    Secret Crimson Hoverboard

    Circuit Overview The circuit you're describing is a digital counter that uses an LDR (Light-Dependent Resistor) and a transistor to detect wheel rotations. The counter's output is then displayed on a seven-segment LED display. Here's a breakdown of the components and their roles: 1. Wheel Rotation Detection (LDR and Transistor) * LDR: The LDR acts as a sensor to detect changes in light intensity. You can mount it on the wheel' or near it, with a reflective or non-reflective surface attached to the wheel. As the wheel rotates, the LDR will be exposed to alternating light and dark conditions, causing its resistance to change. * Transistor: The transistor (e.g., a 2N2222 NPN BJT) is used as a switch or amplifier. The changing resistance of the LDR is used to control the base current of the transistor. When the LDR's resistance drops (more light), the transistor turns on, and when the resistance increases (less light), the transistor turns off. This converts the analog change in light into a digital ON/OFF signal (a pulse). 2. Counter (7490) * 7490 IC: This is a decade counter, meaning it can count from 0 to 9. The output of the transistor (the pulses) is fed into the clock input of the 7490. Each pulse represents one rotation of the wheel, and the 7490 increments its count accordingly. The 7490 has four outputs (Q0, Q1, Q2, Q3) that represent the BCD (Binary-Coded Decimal) equivalent of the count. 3. BCD to Seven-Segment Decoder (7446) * 7446 IC: The 7446 is a BCD-to-seven-segment decoder/driver. Its job is to take the 4-bit BCD output from the 7490 and convert it into a signal that can drive a seven-segment LED display. It has seven outputs (a, b, c, d, e, f, g), each corresponding to a segment of the LED display. 4. Seven-Segment LED Display * Seven-Segment Display: This display is used to show the count. The 7446's outputs are connected to the corresponding segments of the display. 5. Power Supply and Other Components * Power Supply: A regulated DC power supply (e.g., 5V) is needed to power all the ICs and components. * Resistors: Resistors are used for current limiting (e.g., for the LDR and the LED display) and biasing the transistor. * Capacitors: A capacitor might be used for debouncing the signal from the transistor to prevent multiple counts for a single rotation. Conceptual Connections Here is a step-by-step breakdown of how the components would be connected: * LDR and Transistor: * The LDR and a current-limiting resistor are connected in series across the power supply. * The junction between the LDR and the resistor is connected to the base of the NPN transistor. * The emitter of the transistor is connected to ground. * The collector of the transistor, with a pull-up resistor, becomes the output for the pulse signal. * Transistor to 7490: * The output from the transistor's collector is connected to the clock input of the 7490 IC. * The 7490's reset pins (MR and MS) should be connected to ground for normal counting operation. * 7490 to 7446: * The BCD outputs of the 7490 (Q0, Q1, Q2, Q3) are connected to the BCD inputs of the 7446 (A, B, C, D). * 7446 to Seven-Segment Display: * The outputs of the 7446 (a, b, c, d, e, f, g) are connected to the corresponding segments of the seven-segment display. * Crucially, you need to use current-limiting resistors (e.g., 330Ω) in series with each segment to protect the LEDs from high current. * The common terminal of the seven-segment display is connected to the power supply (for a common anode display) or ground (for a common cathode display). This setup creates a chain reaction: wheel rotation changes light, which changes LDR resistance, which turns the transistor on/off, generating a pulse. This pulse increments the 7490, and the 7490's output is decoded by the 7446, which then displays the count on the seven-segment LED.


  • FPGA VGA Controller Template

    FPGA VGA Controller Template

    This is a VGA signal generation based on ICE40 Field-programmable gate array chip #VGA #FPGA #ICE40HX1K #ICE40 #controller #referenceDesign #project #template #SRAM #video #display


  • RFID PCB Antenna Board

    RFID PCB Antenna Board

    This is a compact, high-performance RFID antenna solution built on a printed circuit board configurations. It has miniature RF connector (also known as a U.FL or IPX connector) that allows easy connection to an external antenna. It’s especially useful when you want better signal performance or need to position the antenna away from the main board (e.g., in an enclosure or plastic housing).


  • ESP32/ eMMC Module

    ESP32/ eMMC Module

    ESP32 /eMMC Integration with Bidirectional Level Shifting Project Overview: This project aims to integrate an ESP32 microcontroller with an eMMC (embedded Multi Media Card) storage module to create a robust data processing and storage solution. The system utilizes bidirectional level shifting to ensure seamless communication between the 3.3V logic of the ESP32 and the 1.8V logic of the eMMC, enabling efficient data handling and processing. Objectives: Data Storage and Processing: Leverage the high-speed capabilities of the eMMC for data storage while offloading processing tasks from the ESP32 to enhance overall system performance. Voltage Level Compatibility: Implement a bidirectional level shifting solution to facilitate communication between the ESP32 and eMMC, ensuring signal integrity and compatibility across different voltage levels. Modular Design: Create a modular and scalable design that can be easily adapted for various applications, including IoT devices, data logging systems, and embedded applications. Key Components: ESP32 Microcontroller: A powerful microcontroller with integrated Wi-Fi and Bluetooth capabilities, ideal for IoT applications. eMMC Storage Module: A high-speed storage solution that provides ample memory for data-intensive applications. Bidirectional Level Shifter: A 20-channel level shifter (74LVC4245 and TXB0104D) to convert signals between 1.8V and 3.3V, ensuring reliable communication between the ESP32 and eMMC. Power Management: Utilize a MIC5205 LDO voltage regulator to step down the 3.3V supply to 1.8V for the eMMC, ensuring stable power delivery. Implementation Steps: Circuit Design: Design the circuit schematic, including connections for the ESP32, eMMC, level shifter, and power management components. PCB Layout: Create a PCB layout that optimizes trace lengths for high-speed signals, ensuring proper length matching and minimizing noise. Firmware Development: Develop firmware for the ESP32 to handle data reading, writing, and processing tasks, as well as managing communication with the eMMC. Testing and Validation: Conduct thorough testing to validate the functionality of the system, ensuring reliable data transfer and processing capabilities. Expected Outcomes: A fully functional system that demonstrates the integration of the ESP32 with eMMC storage, showcasing efficient data handling and processing. A modular design that can be adapted for various applications, providing a foundation for future projects in IoT and embedded systems.


  • Prepared Salmon Liquid Breathing Apparatus

    Prepared Salmon Liquid Breathing Apparatus

    This project is focused on designing a highly efficient PCB for a switching power supply using a robust selection of electronic components. Our design leverages a flyback topology featuring a ferrite transformer (options EE25 or EE33), a PWM integrated circuit (TL494, SG3525, or UC3842), and a power MOSFET (IRF840 or a similar alternative) for effective high-voltage switching. Fast and reliable rectification is ensured by using a Schottky diode (MBR20100 or FR107) along with a rectifier bridge built from four 1N4007 diodes or a dedicated 4A bridge. Key stabilization and regulation components include the TL431 reference regulator and a Zener diode for precise voltage control in critical areas. For input and output filtering, the design incorporates electrolytic capacitors (470 µF, 25 V for output and 400 V, 100 µF for input) and ceramic capacitors (ranging from 1 nF to 100 nF) to limit high-frequency noise. Additional safety and operational features are provided by an NTC (soft-start thermistor) to prevent current spikes, various resistors (from 1 Ω to 100kΩ), an optocoupler (PC817) for signal isolation, a switch, and a protection fuse. Before moving forward with a finalized PCB layout and schematic details, we need to clarify a few design choices: 1. Transformer Choice: Would you prefer using the EE25 or the EE33 ferrite transformer variant as the heart of the switching power supply design? This detailed approach ensures that the power supply not only meets rigorous performance and safety standards but also supports a reliable and scalable solution for various electronic applications. #PCBDesign #SwitchingPowerSupply #Electronics #SMPS #PowerElectronics #FlybackConverter #CircuitDesign #ElectronicsComponents


  • Coffee Waker Main HQ W/ Module V3.1 82a2

    Coffee Waker Main HQ W/ Module V3.1 82a2

    The Coffee Waker is a unique, full-featured coffee maker alarm clock designed to brighten your morning routine with the irresistible aroma of freshly brewed coffee. By seamlessly integrating multiple high-performance components onto a single main board, the Coffee Waker delivers both functionality and innovation: - **Processing & Connectivity:** Powered by an ESP32-S3, it offers built-in WiFi and Bluetooth, enabling smart scheduling, remote control, and over-the-air updates. - **Precision Sensing:** A 16-bit load cell ADC provides accurate measurements, ensuring precise weight sensing for coffee bean dosing or liquid volume monitoring. - **Quality Audio Output:** The onboard 16-bit MP3 DAC guarantees clear audio playback, from alarm sounds to any custom wake-up messages you program. - **Robust Power Handling:** With a 120V heater cartridge relay and a 12V wakeup light converter integrated, the board safely manages high voltage switching and provides a visually soothing light routine. - **Thoughtful Integration:** Designed with automotive-grade components, precision regulators, and careful signal routing, the Coffee Waker Main Board combines performance with reliability while keeping a compact footprint. Overall, the Coffee Waker transcends the ordinary alarm clock, merging daily utility with modern connectivity and a touch of luxury—making it the perfect addition to any nightstand. #CoffeeWaker #SmartHome #CoffeeMaker #AlarmClock #MorningRoutine #Technology #Innovation


  • Pregnant Violet Time Machine

    Pregnant Violet Time Machine

    Welcome to the Radio Antenna/Micromodule Project – a cutting-edge design that fuses state-of-the-art radio antenna technology with a compact micromodule configuration to deliver robust wireless communication solutions. This innovative project emphasizes optimized component selection and circuit precision. For example, a standard current-limiting resistor (recommended 330Ω) has been considered to ensure efficient energy management when powering associated indicator LEDs. This design invites you to confirm your resistor value and further customize the electronics to meet dynamic signal and connectivity requirements, paving the way for exceptional performance in today's interconnected landscape. #RadioAntenna #Micromodule #ElectronicsDesign #WirelessCommunication #Innovation


  • Audio Amplification

    Audio Amplification

    Converts stereo 3.5mm audio signal to mono and then amplifies it according to the potentiometer (gain).


  • LM393 IR PROXIMITY SENSOR

    LM393 IR PROXIMITY SENSOR

    A general infrared proximity sensor circuit that can be interfaced with any microcontroller (e.g., Arduino, ESP, etc.). It uses a transmitter (IR LED) and a receiver (photodiode) along with a comparator circuit (LM393N/NOPB) to sense objects. The circuit outputs a digital signal (high/low) based on the sensor's response.


  • Coffee Waker Main HQ W/ Module V3.1 82a2

    Coffee Waker Main HQ W/ Module V3.1 82a2

    The Coffee Waker is a unique, full-featured coffee maker alarm clock designed to brighten your morning routine with the irresistible aroma of freshly brewed coffee. By seamlessly integrating multiple high-performance components onto a single main board, the Coffee Waker delivers both functionality and innovation: - **Processing & Connectivity:** Powered by an ESP32-S3, it offers built-in WiFi and Bluetooth, enabling smart scheduling, remote control, and over-the-air updates. - **Precision Sensing:** A 16-bit load cell ADC provides accurate measurements, ensuring precise weight sensing for coffee bean dosing or liquid volume monitoring. - **Quality Audio Output:** The onboard 16-bit MP3 DAC guarantees clear audio playback, from alarm sounds to any custom wake-up messages you program. - **Robust Power Handling:** With a 120V heater cartridge relay and a 12V wakeup light converter integrated, the board safely manages high voltage switching and provides a visually soothing light routine. - **Thoughtful Integration:** Designed with automotive-grade components, precision regulators, and careful signal routing, the Coffee Waker Main Board combines performance with reliability while keeping a compact footprint. Overall, the Coffee Waker transcends the ordinary alarm clock, merging daily utility with modern connectivity and a touch of luxury—making it the perfect addition to any nightstand. #CoffeeWaker #SmartHome #CoffeeMaker #AlarmClock #MorningRoutine #Technology #Innovation


  • FPGA VGA Controller Template

    FPGA VGA Controller Template

    This is a VGA signal generation based on ICE40 Field-programmable gate array chip #VGA #FPGA #ICE40HX1K #ICE40 #controller #referenceDesign #project #template #SRAM #video #display

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  • ADM3054BRWZ-RL7 Reference Design 78d3 e6e2

    ADM3054BRWZ-RL7 Reference Design 78d3 e6e2

    This ADM3054BRWZ-RL7-based reference design is a CAN bus transceiver circuit, providing reliable data communication over the CAN network. The design features a range of capacitors and resistors to ensure signal integrity, and a NUP2105L for voltage protection. It's ideal for applications requiring reliable data communication in an automotive or industrial environment. #referenceDesign #project #CANbus #interface #transceiverCircuit #ADM3054 #ADM3054BRWZ-RL7 #referenceDesign #canbus #texas-instruments #template #reference-design #reference-design


  • ADM3054BRWZ-RL7 Reference Design d116

    ADM3054BRWZ-RL7 Reference Design d116

    This ADM3054BRWZ-RL7-based reference design is a CAN bus transceiver circuit, providing reliable data communication over the CAN network. The design features a range of capacitors and resistors to ensure signal integrity, and a NUP2105L for voltage protection. It's ideal for applications requiring reliable data communication in an automotive or industrial environment. #referenceDesign #project #CANbus #interface #transceiverCircuit #ADM3054 #ADM3054BRWZ-RL7 #referenceDesign #canbus #texas-instruments #template #reference-design #reference-design


  • Wearable Accelerometer BHI160B Template

    Wearable Accelerometer BHI160B Template

    This project is a Wearable Accelerometer based on BHI160B sensor with an I2C interface. The design includes decoupling capacitors and pull-up resistors for signal integrity. It's powered by a 3.3V supply. #wearables #referenceDesign #project #sensor #accelerometer #BHI160B #referenceDesign #imu #stm #template #reference-design

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  • ADM3054BRWZ-RL7 Reference Design f4ad

    ADM3054BRWZ-RL7 Reference Design f4ad

    This ADM3054BRWZ-RL7-based reference design is a CAN bus transceiver circuit, providing reliable data communication over the CAN network. The design features a range of capacitors and resistors to ensure signal integrity, and a NUP2105L for voltage protection. It's ideal for applications requiring reliable data communication in an automotive or industrial environment. #referenceDesign #project #CANbus #interface #transceiverCircuit #ADM3054 #ADM3054BRWZ-RL7 #referenceDesign #canbus #texas-instruments #template #reference-design #reference-design


  • Voltage Comparator Circuit

    Voltage Comparator Circuit

    This project is a voltage comparator circuit utilizing an LM311DR comparator and an LM27762DSSR switched capacitor voltage inverter. The circuit takes an input signal, compares it with a reference voltage, and outputs a digital signal indicating which voltage is higher. #project


  • TCAN1043HDQ1 Reference Design

    TCAN1043HDQ1 Reference Design

    This TCAN1043HDQ1-based reference design is a CAN bus transceiver circuit that facilitates robust data communication across the CAN network. The design incorporates a variety of capacitors and resistors to maintain signal quality, and it employs a NUP2105L for voltage protection. This circuit is ideally suited for applications that need reliable data communication in automotive or industrial settings. #referenceDesign #project #CANbus #interface #transceiverCircuit #TCAN1043HDQ1 #TCAN1043 #template #canbus #texas-instruments #reference-design


  • Bridged T Oscillator

    Bridged T Oscillator

    A bridged-T oscillator is a simple electronic circuit that generates a stable and precise oscillating signal.


  • Envelope Detectors

    Envelope Detectors

    This is power meter can detect the RF signal of power from -60dBm to 0dBm. Widely used in RF signal detection, signal power measurement, especially suitable for wireless base station and test equipment. #RF #project #detector


  • OPA2835ID c002

    OPA2835ID c002

    The OPA835 and OPA2835 from Texas Instruments are ultra-low-power, rail-to-rail output, voltage-feedback (VFB) operational amplifiers. Designed for high-performance applications, these single (OPA835) and dual (OPA2835) op-amps operate over a power supply range of 2.5 V to 5.5 V. Consuming a mere 250 µA per channel, they offer a remarkable balance of power efficiency and performance, boasting a unity-gain bandwidth of 56 MHz, a slew rate of 160 V/µs, and ultra-low THD of 0.00003% at 1 kHz. Key features include a large signal bandwidth, negative rail input, power-down mode reducing current to 0.5 µA, and input voltage noise of 9.3 nV/√Hz at 100 kHz. Packaged options such as SOT-23, QFN, SOIC, VSSOP, and UQFN are available, accommodating a range of design requirements. The devices are ideal for battery-powered and portable applications, offering superior performance-to-power ratios for high-frequency amplifiers.


  • Wittering Amaranth Esper Photo Analyser

    Wittering Amaranth Esper Photo Analyser

    ATMEGA328-PU (U1) Setup Power Supply Connections: Connect U1:VCC to U2:5V@1 (5V power supply). Connect U1:GND to U2:GND@1 (Ground). Connect U1:AVCC to U2:5V@2 (Analog Power Supply for better ADC performance). Multiple GND pins (U2:GND@1, U2:GND@2, U2:GND@3, U2:GND@4) should all be connected to a common ground plane for stability. Serial Communication for Debugging: Connect U1:PD0 (RX) to U6:TXD. Connect U1:PD1 (TX) to U6:RXD. These connections enable serial communication between the microcontroller (ATmega328) and the USB-Serial adapter (CH340N) for programming and debugging. Sensor Data Acquisition: Given the components, the MLX90614ESF-ACC-000-SP (U4) is an infrared temperature sensor that could be used for vital detection. It uses an I 2 2 C interface. Connect U1:PC4 (SDA) to U4:PWM_SDA. Connect U1:PC5 (SCL) to U4:SCL_Vz. This allows the ATmega328 to communicate with the MLX90614ESF infrared temperature sensor. Additional Considerations: An analog-to-digital converter (ADC) or a specialized RF module designed for UWB radar applications would be necessary to capture and process radar signals for detecting human vitals through walls. The MAX270CWP+ (U3) could be used for audio signal processing but may not directly apply to UWB radar signal processing. Power Supply to Other Components Connect U6:VCC to U2:5V@1. Connect U4:VDD to U2:5V@2. Ensure all components' ground pins are connected to the common ground plane (U2:GND@1, GND@2, GND@3, GND@4)


  • Talking to myself

    Talking to myself

    This project is a distance detecting sensor circuit build around GP2Y0D805Z0F IC from SHARP/Socle Technology. It includes decoupling capacitors, feedback resistors, and a LED for signal indication, with power being supplied via the J1 connector. #referenceDesign #industrialsensing #sharp #template #reference-design


  • Low Noise Amplifiers (LNA) circuit 83dS

    Low Noise Amplifiers (LNA) circuit 83dS

    This project is a low-noise amplifier (LNA) circuit. It primarily uses a BFU520YX transistor as the active component. BNC connectors are used for signal input and output. The circuit is designed for high-frequency signals. #project #Template #projectTemplate #LNA #RF #BFU520YX


  • ANC Circuit

    ANC Circuit

    3 Stage signal conditioning circuit. Pre-amplification (G = 10) Low pass filter, and anti-aliasing


  • Zoophagous Beige Matter Compiler

    Zoophagous Beige Matter Compiler

    - ESP32 DevKitC V4 (microcontroller) - 2x BME280 sensors (temperature, humidity, pressure) - 8ch relay board with 12VDC relays (NO/NC SPDT) - 12VDC power supply - USB connectivity - Various components (resistors, caps, opto couplers, op-amps, motor drivers, multiplexers) - 2x SPDT relay boards (for fan fail-safe) - 4x 2ch bidirectional level controllers (3.3V to 5V) - ESP32 GPIO 21 (SCL) to BME280's SCL - ESP32 GPIO 22 (SDA) to BME280's SDA - ESP32 GPIO 5 (digital output) to 8ch relay board input - ESP32 GPIO 25 (PWM output) -> Fan PWM (0-255 value) - ESP32 GPIO 26 (PWM output) -> Light PWM (0-255 value) - ESP32 GPIO 34 (analog input) -> Tachometer input (0-4095 value, 12-bit ADC) - Add a 5V voltage regulator (e.g., 78L05) to power the ESP32 and other 5V components - Add a 3.3V voltage regulator (e.g., 78L03) to power the BME280 sensors and other 3.3V components - Include decoupling capacitors (e.g., 10uF and 100nF) to filter the power supply lines - Ensure proper grounding and shielding to minimize noise and interference -- Power supply: - VCC=12VD Available, to be used for LM358P - 5V voltage regulator (78L05) - VCC=5V, GND=0V - 3.3V voltage regulator (78L03) - VCC=3.3V, GND=0V - 3.3V voltage regulator (78L03) - VCC=3.3V, GND=0V - Fan PWM boost: - Input (3.3V PWM): 0-3.3V, frequency=20kHz - Output (5V PWM): 0-5V, frequency=20kHz - LM358P op-amp (unity gain buffer) - VCC=5V, GND=0V - R1=1kΩ, R2=1kΩ, R3=1kΩ, R4=1kΩ - C1=10uF (50V), D1=1N4007 - 0-10V signal conditioning: - Input (3.3V PWM): 0-3.3V, frequency=13kHz - Output (0-10V): 0-10V, frequency=13kHz - LM358P op-amp (non-inverting amplifier) - VCC=5V, GND=0V - R5=2kΩ, R6=1kΩ, R7=2kΩ, R8=1kΩ, R9=1kΩ, R10=2kΩ - C2=10uF (50V), R11=10kΩ (1%) ------------------------------------ Fan PWM Boost (3.3V to 5V): 1. ESP32 GPIO 25 (PWM output) -> R1 (1kΩ) -> VCC (3.3V) 2. ESP32 GPIO 25 (PWM output) -> R2 (1kΩ) -> Vin (LM358P) 3. LM358P (Voltage Follower): - VCC (5


  • TJA1051TK Reference Design

    TJA1051TK Reference Design

    This TJA1051TK-based reference design is a CAN bus transceiver circuit, providing reliable data communication over the CAN network. The design features a range of capacitors and resistors to ensure signal integrity, and a NUP2105L for voltage protection. It's ideal for applications requiring reliable data communication in an automotive or industrial environment. #referenceDesign #project #CANbus #interface #transceiverCircuit #TJA1051TK/3,118 #TJA1051TK #referenceDesign #canbus #nxp #template #reference-design


  • DAC

    DAC

    Converts a digital signal into an analog signal. this is a cloned one


  • Bazz Fuss Variant

    Bazz Fuss Variant

    My version of the Bazz Fuss, a popular DIY pedal circuit. Includes a switchable buffer in front of the fuzz for crazy, treble-y goodness. Also includes a pickup simulator between the buffer and the fuzz. The pickup sim can be used in tandem with the buffer to use the fuzz's non-buffered sound at other points in the signal chain without undesirable consequences.


  • Positive Clamper Circuit

    Positive Clamper Circuit

    These positive clamper circuits shift the output signal to the positive portion of the input signal.


  • Skinny Sapphire Sonic Screwdriver

    Skinny Sapphire Sonic Screwdriver

    Here’s a detailed project description prompt that you can use to generate the circuit: --- ### Project Description for Circuit Generation **Project Title**: Vehicle-to-Vehicle (V2V) Communication System for Preventing Dangerous Overtaking Maneuvers **Objective**: The prime objective of this project is to develop and implement a Vehicle-to-Vehicle (V2V) communication system that enhances road safety by preventing dangerous overtaking maneuvers. This system will provide real-time alerts to drivers about the presence and intentions of nearby vehicles, reducing the risk of collisions and improving overall traffic flow on highways. **Components**: 1. **Microcontroller (e.g., Arduino)** 2. **GPS Module (NEO-6M)** 3. **LoRa Module (SX1272)** 4. **Audio/Visual Alert Systems (e.g., Buzzer, LEDs)** 5. **SD Card Module** 6. **LM7805 Voltage Regulator** 7. **9V Battery** **Connections**: 1. **Power Supply**: - **9V Battery**: - Positive to **LM7805 Voltage Regulator Input** - Negative to **Common Ground** - **LM7805 Voltage Regulator**: - Output to **5V Rail (VCC)** - Ground to **Common Ground** 2. **Microcontroller (e.g., Arduino)**: - **Power**: - VCC to **5V Rail (VCC)** - GND to **Common Ground** 3. **GPS Module (NEO-6M)**: - **Power**: - VCC to **5V Rail (VCC)** - GND to **Common Ground** - **Communication**: - TX to **RX (Digital Pin) of Microcontroller** - RX to **TX (Digital Pin) of Microcontroller** (if needed) 4. **LoRa Module (SX1272)**: - **Power**: - VCC to **3.3V or 5V (based on module specification)** - GND to **Common Ground** - **SPI Communication**: - MOSI to **MOSI (Digital Pin) of Microcontroller** - MISO to **MISO (Digital Pin) of Microcontroller** - SCK to **SCK (Digital Pin) of Microcontroller** - NSS to **CS (Digital Pin) of Microcontroller** 5. **Audio/Visual Alert System (Buzzer, LEDs)**: - **Buzzer**: - Positive to **Digital Output Pin** of Microcontroller through a resistor - Negative to **Common Ground** - **LEDs**: - Anode (Positive) to **Digital Output Pin** of Microcontroller through a resistor - Cathode (Negative) to **Common Ground** 6. **SD Card Module**: - **Power**: - VCC to **3.3V or 5V (based on module specification)** - GND to **Common Ground** - **SPI Communication**: - MOSI to **MOSI (Digital Pin) of Microcontroller** - MISO to **MISO (Digital Pin) of Microcontroller** - SCK to **SCK (Digital Pin) of Microcontroller** - CS to **Digital Pin of Microcontroller** **System Functionality**: - **System Initialization and Configuration**: Ensure the microcontroller and communication modules are correctly initialized and configured for optimal performance. - **GPS Signal Acquisition and Data Parsing**: Accurately acquire and parse GPS data to determine the vehicle's current location and speed. - **Vehicle Position and Speed Calculation**: Calculate precise vehicle position and speed in real-time to provide accurate data for communication. - **V2V Communication Establishment**: Establish a reliable communication link between vehicles using the LoRa module to transmit and receive data. - **Overtaking Intention Detection and Signal Transmission**: Detect overtaking intentions and transmit this information to nearby vehicles to alert them of potential hazards. - **Signal Reception and Processing by Nearby Vehicles**: Ensure nearby vehicles can receive and process overtaking signals to determine the position and speed of the overtaking vehicle. - **Driver Alert Generation**: Generate audio and visual alerts to inform drivers of the presence and intentions of nearby vehicles, especially during overtaking. - **Continuous Monitoring and Data Logging**: Continuously monitor the system's performance and log relevant data for analysis and future improvements.


  • NTS4001N 961f

    NTS4001N 961f

    The NTS4001N and NVS4001N are single N-Channel, small signal MOSFETs from ON Semiconductor, housed in a compact SC-70/SOT-323 package. These components are designed for applications requiring efficient low-side load switching, such as Li-Ion battery-supplied devices including cell phones, PDAs, and digital still cameras, as well as for use in buck converters and level shifters. Featuring a maximum drain-to-source voltage (VDSS) of 30 V and a continuous drain current (ID) of 270 mA at 25°C, these MOSFETs are optimized for fast switching with low gate charge. The gate-to-source voltage (VGS) can withstand up to ±20 V, and the devices are ESD protected and AEC-Q101 qualified, making them suitable for automotive applications. The NTS4001N and NVS4001N are also Pb-Free and RoHS compliant, ensuring environmental compliance. With a typical RDS(on) of 1.0 Ω at VGS = 4.0 V and 1.5 Ω at VGS = 2.5 V, these MOSFETs offer reliable performance in a small footprint, 30% smaller than the TSOP-6 package.


  • QRE1113 Reference Design

    QRE1113 Reference Design

    This project is a QRE1113 opto-reflective sensor circuit, using a 47K pull-up resistor (R2) and a 100 Ohm resistor (R1). It includes a 1µF capacitor (C1) for stability and attaches to a JST connector (J1) for easy interfacing. Power is provided via VCC, with the output signal (OPTO_OUT) fed back. #referenceDesign #industrialsensing #onsemi #template #reference-design


  • 2N7002ET1G

    2N7002ET1G

    The 2N7002E is a small signal MOSFET produced by ON Semiconductor, designed for applications requiring a low RDS(on) and high efficiency in a compact SOT-23 package. This N-Channel MOSFET can handle a maximum drain-to-source voltage (VDSS) of 60 V and a continuous drain current (ID) of up to 310 mA at 25°C. It features trench technology for enhanced performance and is AEC-Q101 qualified, making it suitable for automotive and other high-reliability applications. The device is Pb-free, Halogen-free, and RoHS compliant. Typical applications include low side load switches, level shift circuits, DC-DC converters, and various portable devices such as digital still cameras (DSC), PDAs, and cell phones. The MOSFET's thermal characteristics include a junction-to-ambient thermal resistance of 417°C/W in steady state and 300°C/W for short durations (t ≤ 5 s). The 2N7002E is available in tape and reel packaging, with part numbers 2N7002ET1G and 2N7002ET7G for standard applications, and S2N7002ET1G and S2N7002ET7G for automotive-grade requirements.


  • ADM3054BRWZ-RL7 Reference Design 78d3

    ADM3054BRWZ-RL7 Reference Design 78d3

    This ADM3054BRWZ-RL7-based reference design is a CAN bus transceiver circuit, providing reliable data communication over the CAN network. The design features a range of capacitors and resistors to ensure signal integrity, and a NUP2105L for voltage protection. It's ideal for applications requiring reliable data communication in an automotive or industrial environment. #referenceDesign #project #CANbus #interface #transceiverCircuit #ADM3054 #ADM3054BRWZ-RL7 #referenceDesign #canbus #texas-instruments #template #reference-design #reference-design


  • MCP2561FD Reference Design

    MCP2561FD Reference Design

    This MCP2561FD-based reference design is a CAN bus transceiver circuit, providing reliable data communication over the CAN network. The design features a range of capacitors and resistors to ensure signal integrity, and a NUP2105L for voltage protection. It's ideal for applications requiring reliable data communication in an automotive or industrial environment. #referenceDesign #project #CANbus #interface #transceiverCircuit #MCP2561FD-E/P #MCP2561FD #referenceDesign #canbus #microchip #template #reference-design

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  • RF Mixer

    RF Mixer

    This project represents an RF mixer circuit, leveraging an LT5560 IC from Analog Devices. It employs various inductors, capacitors, and connectors for signal input, output, and voltage supply. The design optimizes RF mixing performance for frequencies between 140 and 900 MHz. #RF #mixer #roject


  • OPA2835ID 0111

    OPA2835ID 0111

    The OPA835 and OPA2835 from Texas Instruments are single and dual ultra-low-power, rail-to-rail output, negative-rail input, voltage-feedback (VFB) operational amplifiers designed for optimal performance in battery-powered and portable systems. Operating over a power supply range of 2.5 V to 5.5 V, these op amps consume only 250 µA per channel and offer a unity gain bandwidth of 56 MHz, making them industry leaders in performance-to-power ratio for rail-to-rail amplifiers. These components feature a quiescent current of 250 µA/ch (typical), with a power-down mode reducing current to 0.5 µA (typical), a slew rate of 160 V/µs, a rise time of 10 ns for a 2 V step, and a settling time of 55 ns to 0.1% for a 2 V step. Additional features include a signal-to-noise ratio (SNR) of 0.00015% (-116.4 dBc) at 1 kHz (1 VRMS), total harmonic distortion (THD) of 0.00003% (-130 dBc) at 1 kHz (1 VRMS), and a wide input voltage noise of 9.3 nV/√Hz at 100 kHz. The OPA835 and OPA2835 provide rail-to-rail output swing and input voltage range from -0.2 V to 3.9 V (5-V supply), supporting high-density, low-power signal conditioning applications with an operating temperature range from -40°C to +125°C. These components come in various package options, ensuring flexible integration into diverse electronic designs.


  • NTJD4001NT1G 1d49

    NTJD4001NT1G 1d49

    The NTJD4001N and NVTJD4001N from ON Semiconductor are dual N-Channel MOSFETs designed for small signal applications. Encased in a compact SC-88 (SOT-363) package, these MOSFETs offer a drain-to-source voltage (VDSS) of 30 V and a continuous drain current (ID) of up to 250 mA at 25°C. Key features include low gate charge for fast switching, ESD-protected gates, and AEC-Q101 qualification, making them suitable for use in automotive environments. These MOSFETs are ideal for applications such as low side load switches, Li-Ion battery-powered devices (e.g., cell phones, PDAs, DSCs), buck converters, and level shifters. The devices are RoHS compliant and Pb-free, ensuring environmental compliance and reliability. The thermal resistance from junction to ambient is 458°C/W, and the devices can operate within a temperature range of -55°C to 150°C. The NTJD4001N and NVTJD4001N also feature low RDS(on) values, ensuring efficient performance in various electronic circuits.


  • OPA2835IRUNR 810f

    OPA2835IRUNR 810f

    The Texas Instruments OPA835 and OPA2835 are ultra-low-power, rail-to-rail output, negative-rail input, voltage-feedback (VFB) operational amplifiers designed for operation across a wide power supply range of 2.5 V to 5.5 V with a single supply or +1.25 V to +2.75 V with a dual supply. These components are notable for their industry-leading performance-to-power ratio, which features a quiescent current of just 250 µA per channel and a unity gain bandwidth of 56 MHz. They are ideal for battery-powered, portable applications where power efficiency is critical, without compromising on high-frequency performance. The OPAx835 series brings the added benefit of a power-savings mode, reducing current consumption to less than 1.5 µA, making them an attractive choice for high-frequency amplifiers in battery-powered systems. Their compact package options, including SOT-23, SOIC, VSSOP, UQFN, and QFN, cater to space-constrained applications, providing a versatile solution for low-power signal conditioning, audio ADC input buffers, low-power SAR and ΔΣ ADC drivers, portable systems, low-power systems, high-density systems, and ultrasonic flow meters.


  • DAC

    DAC

    Converts a digital signal into an analog signal.


  • Oscillator Circuits

    Oscillator Circuits

    This project is a Oscillator Circuits, designed to output waveforms such as sine, square and triangular waves. It leverages the capabilities of operational amplifiers (op-amps) like the LMV321 in combination with resistors and capacitors to shape the output signals. The design benefits from the op-amps' negative feedback to stabilize and regulate the signal output. #project #LMV321 #Oscillator #waveforms


  • ADC dithering PIC24

    ADC dithering PIC24

    Adding uncorrelated (i.e. white) noise to an analog signal prior to digitization. It has 2 noise circuits and the adc circuit with a pic24 microcontroller


  • Raspberry Pi Pico Shield Template

    Raspberry Pi Pico Shield Template

    Using the Raspberry Pi Pico microcontroller, I was able to design a hearing aid with volume control. The components and a description of why they were used: MCP3008 - CONVERTS ANALOG AUDIO SIGNALS INTO DIGITAL DATA CONVERTED BY THE MICROCONTROLLER MCP4725 - CONVERTS DIGITAL AUDIO SIGNALS TO ANALOG SO THE AUDIO CAN BE OUTPUTTED THROUGH A SPEAKER LM358 - USED TO AMPLIFY WEAK SIGNALS IN THE HEARING AID, REMOVES UNWANTED FREQUENCIES SPU0410LR5HQB - THIS COMPONENT IS A MICROPHONE, SPECIFICALLY CHOSEN BECAUSE IT IS OMNIDIRECTIONAL AND CAN CAPTURE AMBIENT SOUNDS, IT IS A SMALL COMPONENT PERFECTLY USED FOR NOISE REDUCTION, ASSISTING IN CAPTURING CLEAR AUDIO PAM8302AASCR - EFFICIENTLY AMPLIFIES AUDIO, AUDIO SIGNAL FROM DAC (VOUT) IS FED INTO THE INPUT OF THE AUDIO AMPLIFIER, WHICH OUTPUTS IDEAL FREQUENCY AUDIO CEM-1203(42) - SPEAKER WHICH OUTPUTS THE AUDIO AMPLIFIER MODIFIED FEATURE: POTENTIOMETER - WITH THE CCW CONNECTED TO GND, CW CONNECTED TO VDD, WIPER CONNECTED TO PIN 27 OF THE MICROCONTROLLER, THIS FEATURE IS A VOLUME ADJUSTER, WE ARE ABLE TO FULLY TURN OFF AND ON THE VOLUME BY ADJUSTING THE HEARING AID FOR THE IDEAL AUDIO OUTPUT


  • Rank 3 || 2 || 3 Reflectionless High-Pass Filter

    Rank 3 || 2 || 3 Reflectionless High-Pass Filter

    We propose to design a reflectionless high-pass filter for a load-pull test measurement setup that provides high RF transmission coefficients between 2.3 GHz and 6 GHz while suppressing out-of-band reflections for frequencies below 2.3 GHz. The reflectionless property of the proposed filter ensures signal integrity and protection to the device under test in industry-standard RF characterization setups such as load-pull measurements. After creating a simulation model, a physical filter will verify that the filter works as intended (i.e., within the target specifications).


  • Low Noise Amplifiers (LNA) circuit

    Low Noise Amplifiers (LNA) circuit

    This project is a low-noise amplifier (LNA) circuit. It primarily uses a BFU520YX transistor as the active component. BNC connectors are used for signal input and output. The circuit is designed for high-frequency signals. #project #Template #projectTemplate #LNA #RF #BFU520YX

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  • NVTJD4001NT1G

    NVTJD4001NT1G

    The NTJD4001N and NVTJD4001N from ON Semiconductor are dual, N-channel MOSFETs designed for small signal applications. These components are optimized for low gate charge to enable fast switching speeds and are housed in a compact SC-88 package, which is noted to be 30% smaller than the TSOP-6, allowing for savings in PCB space. Both variants operate with a drain-to-source voltage (VDSS) of 30 V and can handle continuous drain currents of up to 250 mA at 25℃, reducing to 180 mA at 85℃. The devices are distinctive for their ESD protected gates and meet the AEC Q101 qualification criteria, making the NVTJD4001N version particularly suitable for automotive and high-reliability applications. With power dissipation cap of 272 mW at 25℃, these components are ideal for low-power applications like low-side load switches, Li-Ion battery-supplied devices, buck converters, and level shifts. They are furnished in a lead-free, RoHS-compliant package, assuring environmental consideration in both manufacturing and application use. ON Semiconductor emphasizes several key attributes of the NTJD4001N and NVTJD4001N, including their low gate charge feature, small footprint, and robust durability, marked by ESD protection and AEC Q101 qualification for the NVTJD4001N variation. These characteristics make these MOSFETs viable solutions for engineers focusing on optimizing space and power efficiency in their circuit designs, particularly in the realms of portable electronic devices, power management circuits, and various automotive applications.

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  • Original XBOX HDMI Board v1

    Original XBOX HDMI Board v1

    Original XBOX HDMI Board to replace AV port and output HDMI signal