Options

Optinal components

You can extend functionality of your shield with the following options:

1. Jumper power selector. You can manually switch between 5V or 12/24V power supply and LEDs.

• Header: 3 pin male
• Jumper
• Capacitors: C4, C5
• DC DC Converter: PS1

2. Temperature sensor

• Resistor: R7
• One wire temperature sensor: U1

3. I2C input (for sensors (BME280) and OLED display)

• Header: I2C (4 pin female)
• Resistor: R5, R6

4. Button

• Momentary switch SW1 or 2pin male header BTN for of board installation
• Resistor: R1 (If required)

5. Add-on modules connector for sound reactive fork or additional functions

• Header: SOUND
• add-on board

6. IR receiver.

• IR receiver: IR

7. Power led

• Power indicator LED
• Resistor: R4

8. Auxiliary power for additional devices (multi relay, or sensors)

• 2pin male header 5V-AUX

9. Circuit for PWM fan

• R8, R10 and C3

⚠️ IMPORTANT: If you connect Additional devices to shield, 5V buck converter PS1 must be replaced with more powerful. VXO7805-1000 (Digikey p/n: 102-4258-ND) ⚠️