On-Air LED Sign
R1 changes: -Changed LED part to Red LEDs -adjusted resistor value of buck converter -Changed source for USB-C Connector -Removed exposed soldermask on buck converter with negative soldermask expansion -Order with black soldermask Modified by markwu2001: - Adjustable Brightness, - 85-90% Drive Efficiency - <5W Operation (Can use 5V 1A Plug) This project can be purchased from LCSC Original Description: Daddy's second circuit board. A sign to let my wife know when I'm on a call. Activates with a slide switch and is powered by USB-C.... show moreSCR example part
Silicon Controlled Rectifier. See https://en.wikipedia.org/wiki/Silicon_controlled_rectifier 3 nodes, 1 internal node 0 = anode, 1 = cathode, 2 = gate 0, 3 = variable resistor 3, 1 = diode 2, 1 = 50 ohm resistor... show more3PDT Breakout Board
Breakout board for PCB-mounted 3PDT switch. Includes placement for 5mm status LED and current limiting resistor.... show morePhotoresistor example part
Light-dependent resistor. See https://en.wikipedia.org/wiki/PhotoresistorOn Air-markwu2001-Remix-R1 Backup Freeze 0b49
R1 changes: -Changed LED part to Red LEDs -adjusted resistor value of buck converter -Changed source for USB-C Connector -Removed exposed soldermask on buck converter with negative soldermask expansion -Order with black soldermask Modified by markwu2001: - Adjustable Brightness, - 85-90% Drive Efficiency - <5W Operation (Can use 5V 1A Plug) This project can be purchased from LCSC Original Description: Daddy's second circuit board. A sign to let my wife know when I'm on a call. Activates with a slide switch and is powered by USB-C.... show moreHiro Relay Hub 1.0
Hiro Relay Hub 1.0 1. 2N2222 Triode - 32pcs 2. Aqy410s Relay - 32pcs 3. 1k resistor - 32pcs 4. s2b 2pin - 32pcs... show moreAudio Electronics | Copilot Preset
+12V ---- VCC (TL494) GND ---- GND (TL494) |---- RT (10kΩ) |---- CT (0.01uF) CT --| | OSC OUT ---------- DTC ---------- GND (conectar a tierra) FEEDBACK ---|--(Divisor Resistor o Capacitor) | |--------------(Entrada de Audio) OUT_A ------------- GATE Q1 (IRF540N) OUT_B ------------- GATE Q2 (IRF540N) Q1 (D) --- L ------------------- Speaker Q2 (D) --- GND Capacitor de acoplamiento y desacoplamiento... show moreHiro Relay Hub 1.1
Hiro Relay Hub 1.0 1. 2N2222 Triode - 32pcs 2. Aqy410s Relay - 32pcs 3. 1k resistor - 32pcs 4. s2b 2pin - 32pcs... show moreSkinny 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.... show moreOn Air R2 Demo
R2 changes: -Moving to Letter Modules for ease of design -Adding ESP32 for WiFi On/Off and intensity control -Optional: Add unpopulated AA Battery Holder for battery option R1 changes: -Changed LED part to Red LEDs -adjusted resistor value of buck converter -Changed source for USB-C Connector -Removed exposed soldermask on buck converter with negative soldermask expansion -Order with black soldermask Modified by markwu2001: - Adjustable Brightness, - 85-90% Drive Efficiency - <5W Operation (Can use 5V 1A Plug) This project can be purchased from LCSC Original Description: Daddy's second circuit board. A sign to let my wife know when I'm on a call. Activates with a slide switch and is powered by USB-C. #template... show moreQRE1113 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... show moreMCP73831 Module 1c2a
This project is a Lithium-ion battery charger circuit utilizing the MCP73831 integrated circuit. It includes input and output connectors, a charging current programming resistor, decoupling capacitors, and a charge status indicator LED. The design can deliver up to 500mA charge current. #project #Template #charger #referenceDesign #batterycharger #template #bms #microchip... show moreMCP73831 Module
This project is a Lithium-ion battery charger circuit utilizing the MCP73831 integrated circuit. It includes input and output connectors, a charging current programming resistor, decoupling capacitors, and a charge status indicator LED. The design can deliver up to 500mA charge current. #project #Template #charger #referenceDesign #batterycharger #template #bms #microchip... show morePhotoresistor example part
Light-dependent resistor. See https://en.wikipedia.org/wiki/Photoresistor