• Powerbank board

    Powerbank board

    Fully-Integrated Bi-directional PD3.0 and Fast Charge Power Bank SOC with Multiple Input and Output Ports based on IP5328P

    jecstronic

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    a year ago

    0 Uses

    271 Comments

    37 Stars


  • oscilador 555

    oscilador 555

    copilot Entiendo que deseas diseñar un oscilador utilizando el chip 555. Aquí están algunos pasos que puedes seguir para hacer esto. Conecta el pin 1 (GND) del IC 555 a la terminal negativa de tu fuente de alimentación (0V). Conecta el pin 8 (VCC) del IC 555 a la terminal positiva de tu fuente de alimentación (11V). Conecta la resistencia de 10kΩ (R1) entre el pin 8 (VCC) y el pin 7 (DISCHARGE) del 555. Conecta tu potenciómetro de 100kΩ (R2) entre el pin 7 (DISCHARGE) y el pin 6 (THRESHOLD) del 555. Junta los pines 2 (TRIGGER) y 6 (THRESHOLD) juntos y conecta los pines unidos al lado negativo de tu condensador de 10nF (C). Conecta el lado positivo del condensador de 10nF (C) a VCC (el pin 8). Conecta el pin 4 (RESET) al VCC si no quieres usar la función de reset. De lo contrario, puedes conectar una señal de reset aquí. Conecta el pin 3 (OUTPUT) del 555 al terminal positivo de tu resistencia de 470Ω. Conecta el otro terminal de la resistencia a tierra. El condensador de 10uF debe estar conectado en paralelo a la alimentación (entre VCC y GND) para suavizar cualquier ruido en la fuente de alimentación de 11V. Te sugiero que experimentes con el valor del potenciómetro (R2) hasta que consigas el Duty Cycle deseado. Por lo general, es posible cambiar la frecuencia del pulso y ajustar el Duty Cycle utilizando este control. Si, después de realizar estas conexiones y ajustes, aún no puedes obtener el Duty Cycle deseado, podría ser indicativo de que los valores de resistencia y condensador que tienes no son adecuados para tu rango de frecuencia y Duty Cycle objetivo. Para que obtengamos un Duty Cycle del 75%, necesitamos usar el chip 555 en modo astable y debemos calcular los valores de R1 y R2 (resistencia total de carga y descarga respectivamente) que nos ayude a conseguir esto. El tiempo de alta (T_high) y el tiempo de baja del ciclo (T_low) de la oscilación salen determinados por R1, R2, y C (el condensador). Se pueden usar las siguientes fórmulas para calcularlos: T_high = 0.693 * (R1 + R2) * C T_low = 0.693 * R2 * C Duty cycle = ( T_high ) / ( T_high + T_low ) Para un Duty Cycle de 0.75: Estableceremos R1 como la resistencia de 10 kilohmios que se proporcionó. Con el potenciómetro de 100 kilohmios como R2, podemos variarlo para ajustar el Duty Cycle según necesitemos hasta que se llegue a la relación deseada. Considerando que el condensador C es el condensador de 10 nF que se proporcionó, anteriores declaraciones son bajo supuesto que el tiempo de operación (T = T_high + T_low) caiga en un rango aceptable. Para el esquemático: Conecta VCC de tu 555 al terminal positivo de tu fuente de voltaje de 11V y GND a tierra. Conecta los pines 2 (TRIGGER) y 6 (THRESHOLD) juntos y al lado negativo de tu condensador de 10nF. Conecta el lado positivo del condensador a VCC. Conecta el pin 3 (OUTPUT) al terminal positivo de tu resistencia de 470 ohmios. Conecta el otro terminal de la resistencia a tierra. Conecta tu resistencia de 10 kilohmios entre VCC y los pines 2 y 6 del 555. Finalmente, conecta tu potenciómetro entre los pines 2 y 6 y el pin 7 (DISCHARGE) del 555. El condensador de 10uF debería estar conectado en paralelo a la alimentación para suavizar cualquier ruido en la alimentación de 11V. Estas son mis suposiciones y pasos sugeridos pero recuerda variar el potenciómetro hasta conseguir el Duty Cycle deseado en caso de no conseguirlo de forma inmediata. Si por alguna razón no puedes conseguir el Duty Cycle de 75%, es posible que las resistencias y condensadores proporcionados no sean los adecuados para el rango de frecuencia y Duty Cycle deseados. En tal caso, puede que tengas que utilizar otros valores de componentes.

    3 years ago

    0 Uses

    19 Comments

    11 Stars


  • WiFi Camera with Motion Detection Reference Design

    WiFi Camera with Motion Detection Reference Design

    This project is a WiFi Camera with Motion Detection, utilizing ESP32-CAM module and HC-SR501 PIR sensor. The camera is activated by the sensor's output. The system also includes power regulation and communication headers for setup and control. #WiFi #MCU #PIR #ReferenceDesign #project #ESP32 #camera #referenceDesign #edgeComputing #espressif #template #reference-design.

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    5 months ago

    0 Uses

    146 Comments

    8 Stars


  • Buck Boost 3.3V 500mA Physical Module

    Buck Boost 3.3V 500mA Physical Module

    A buck boost converter that can be powered from a Li-Ion battery and output 3.3V @ 500mA. Powered by the TPS63051YFFR and in the same package as a standard Adafruit buck converter. Expect to squeeze around 5-10% SoC from a typical Li-Ion battery. Input Voltage Range: 2.5V to 5.5V Assembled at pcbway.com

    2 years ago

    0 Uses

    0 Comments

    6 Stars


  • Smart system for a greenhouse

    Smart system for a greenhouse

    This project is a 6-output irrigation control board with pump and other device support. It features 8 connectors, 2 GPIO pins each, and a GC9A01A display. The board is powered by an STM32L073V8T6 microcontroller and has 6 LEDs connected to GPIO pins. #irrigationcontrol #STM32 #GPIO #GC9A01A #LEDs.

    3 years ago

    0 Uses

    4 Comments

    5 Stars


  • LM2596 Buck converter 5V

    LM2596 Buck converter 5V

    This project is a DC-DC Buck converter based on the LM2596 IC. It is designed to step down the input voltage from 12V to a regulated output of 5V #Buck #LM2596 #project

    5 months ago

    0 Uses

    71 Comments

    4 Stars


  • On Air Modular V1

    On Air Modular V1

    Build your own Modular LED Sign! This design prioritizes accessibility which means that the BoM can be ordered on Amazon and that everything was designed with solder-ability in mind. NOTE: This board is still an unfinished prototype that has not been built and verified. Operating Instructions: 1. [Important!] Power your buck converter and adjust the output voltage to 1.5V output before attempting to power the LEDs. If you cannot power the buck converter, just turn the potentiometer counterclockwise to its maximum setting.

    3 years ago

    0 Uses

    16 Comments

    4 Stars


  • L7805 Fixed output regulator

    L7805 Fixed output regulator

    Linear Voltage Regulator with 1 Positive Fixed Output 5.0V. Input voltage 35V max With JST connectors(Vin and +5V) and with block terminal connectors(Vin and +5V) #project-template #voltageregulator #project

    3 years ago

    0 Uses

    59 Comments

    3 Stars


  • AMS1117 Adjustable Output with Pot

    AMS1117 Adjustable Output with Pot

    AMS1117 3.3V adjustable output basic circuit

    5 years ago

    0 Uses

    0 Comments

    3 Stars


  • ESP32-H2 Relay Board

    ESP32-H2 Relay Board

    This is a WiFi relay board based on ESP32-H2 WiFi module. It have AC-DC power supply with output 12V and relay for controlling voltage #esp32 #project #Relay #wifi #esp32-h2 #iot #template

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    3 years ago

    0 Uses

    98 Comments

    3 Stars


  • Signal Generator

    Signal Generator

    This project is a Signal Generator, 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

    3 years ago

    0 Uses

    30 Comments

    3 Stars


  • AMS1117 Adjustable Output

    AMS1117 Adjustable Output

    AMS1117 3.3V adjustable output basic circuit

    5 years ago

    0 Uses

    0 Comments

    2 Stars


  • Simple Charger Modul

    Simple Charger Modul

    This is a simple charger modul that can be connected to a DC generator or solar panel at the input and a battery at the output

    0 Uses

    4 Comments

    2 Stars


  • TPS56339 Reference Design

    TPS56339 Reference Design

    This is a reference design of TPS56339 DC-DC Converter IC with input voltage 4.5-24V and output 5V and 3A #dcdc #ti #power #3A #5V #referenceDesign #powermanagement #texas-instruments #template #reference-design

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    a year ago

    0 Uses

    3 Comments

    2 Stars


  • Guitar Pedal Template

    Guitar Pedal Template

    Guitar pedal starter template based on project by Mark Wu. Includes schematic and PCB layout for basic DIY pedal hardware. This includes two 1/4" jacks (one for input and one for output), a 9V power supply (including LED), a 3PDT true bypass wiring setup, and an example potentiometer that can be copy/pasted throughout the circuit. The headers are meant to be unpopulated so that wires can be soldered to the pads. PCB design rules imported from the JLCPCB 2-layer stackup template. #template

    2 years ago

    0 Uses

    1 Comment

    2 Stars


  • MAX98357 Audio DAC Breakout 077b

    MAX98357 Audio DAC Breakout 077b

    This compact breakout board makes it easy to add high-quality audio output to your microcontroller projects using the MAX98357A/B Class D audio amplifier. Perfect for Arduino, ESP32, Raspberry Pi, or any microcontroller with I2S output capabilities. Features High-Performance Audio: Delivers Class AB audio quality with Class D efficiency (92% efficient at 1W) Powerful Output: 3.2W into 4Ω speakers at 5V supply Clean Sound: Low distortion (0.013% THD+N at 1kHz) Wide Supply Range: Operates from 2.5V to 5.5V Simplified I2S Interface: No MCLK required, just BCLK, LRCLK, and DIN Selectable Gain: Solder jumpers for easy gain selection (3dB, 6dB, 9dB, 12dB, or 15dB) Channel Selection: Configure for left, right, or combined (mono) output Filterless Design: No need for external output filtering components Compact Form Factor: Minimal board space with optimized layout Applications Smart speakers and voice assistants Portable audio devices IoT audio projects Gaming devices and sound effects Educational audio projects Digital instrument amplification The FLUX MAX98357 breakout board requires only three I/O pins plus power, making it the perfect audio solution for projects where simplicity and sound quality matter.

    a year ago

    0 Uses

    0 Comments

    2 Stars


  • Copilot v4 DogFooding - Audio Amplifier

    Copilot v4 DogFooding - Audio Amplifier

    I'm building an audio amplifier. These are the project requirements: - Type of Amplifier: Class D (for energy efficiency). - Input Source: Line-level input from a standard audio source, e.g., mobile phone or PC. - Output Power: 10W per channel (for a stereo setup). - Number of Channels: 2 (stereo output). - Distortion: Total Harmonic Distortion (THD) of less than 0.1% at full power. - Frequency Response: 20Hz to 20kHz. - Power Supply: Operate from a single 12V DC source. - Protection: Over-current and thermal protection for the amplifier IC. - Connectivity: Standard 3.5mm audio jack for input and screw terminals for speaker outputs. - Volume Control: A physical potentiometer for volume control. - Indicator: An LED indicator that shows power ON status. - Size Constraints: PCB size should not exceed 100mm x 100mm. Consider every requirement individually when answering any question

    3 years ago

    0 Uses

    0 Comments

    2 Stars


  • 4017 Chaser

    4017 Chaser

    Running LED circuit that utilizes a 555 clock output and a decade counter. It runs when the push-button is held down and then slowly stops once it is released.

    a month ago

    0 Uses

    0 Comments

    2 Stars


  • ADP1618 Reference Design

    ADP1618 Reference Design

    This is a reference design of step-up converter based on ADP1618 with 5V input and 12V output #dcdc #5V #12V #power#referenceDesign #powermanagement #analogdevices #template

    2 years ago

    0 Uses

    0 Comments

    2 Stars


  • LTC3406 with 1.2V 0.6A output

    LTC3406 with 1.2V 0.6A output

    This is a reference design of a buck converter based on LTC3406 with 1.2V 0.6A output #referenceDesign #powermanagement #analogdevices #template

    2 years ago

    0 Uses

    5 Comments

    1 Star


  • L7805 Fixed output regulator wring airwires for devs

    L7805 Fixed output regulator wring airwires for devs

    Linear Voltage Regulator with 1 Positive Fixed Output 5.0V. Input voltage 35V max With JST connectors(Vin and Vout) and with block terminal connectors(Vin and Vout) #project-template #voltageregulator #project

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    2 years ago

    0 Uses

    3 Comments

    1 Star


  • Output Register

    Output Register

    Welcome to your new project. Imagine what you can build here.

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    a year ago

    0 Uses

    1 Comment

    1 Star


  • Laser

    Laser

    Laser (Nichia NUBM35 455nm 67W)to 120w optical output power driver.

    7 months ago

    0 Uses

    43 Comments

    1 Star


  • ESP32-WROOM-32E Reference Design

    ESP32-WROOM-32E Reference Design

    This project involves designing a versatile IoT sensor hub using the ESP32-WROOM-32E module. The main objective is to create a platform that enables seamless data collection and transmission from various environmental sensors over a WiFi network. The device will feature USB-C for power and data transfer, and will utilize on-board voltage regulation to ensure stable operation. A CH340C chip is employed for USB to serial conversion, facilitating easy programming and communication with a host computer. Key Features: Wireless Connectivity: Leverage the ESP32's built-in WiFi capabilities for real-time data transmission to cloud-based platforms or local servers. USB-C Interface: Utilize a modern USB-C connector for power and data transfer, providing flexibility and future-proofing the design. On-board Voltage Regulation: Include an AMS1117-3.3 voltage regulator to maintain a stable 3.3V output from the USB input, protecting sensitive components. Support for Multiple Sensors: Integrate various GPIOs to connect multiple sensor types ( temperature, humidity, air quality ) (temperature, humidity, air quality) for comprehensive environmental monitoring. Expandability: Design with additional headers for future expansion, enabling users to customize and extend the hub's capabilities with additional sensors or modules. Applications: Smart Home Automation: Integrating with home systems to monitor and respond to environmental changes. Environmental Monitoring: Providing data for ecological studies or urban environment monitoring. Industrial IoT: Enhancing systems within a factory or industrial setting to track conditions in real-time. With this setup, the device aims to be a robust and adaptable piece of technology, suitable for hobbyists, researchers, and developers interested in the expanding world of IoT.

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    4 months ago

    0 Uses

    22 Comments

    1 Star


  • LTC3401 Reference Design

    LTC3401 Reference Design

    This LTC3401-based reference design is a boost converter, transforming a lower input voltage into a stable 3V3 output. Perfect for applications that need a regulated 3V3 power source. #referenceDesign #project #boostConverter #voltageRegulator #3V3 #LTC3401 #referenceDesign #powermanagement #analogdevices #template #reference-design #polygon

    5 months ago

    0 Uses

    19 Comments

    1 Star


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