Wiring VCC goes to arduino +5v GND goes to arduino GND DIO goes to arduino D4 CLK goes to arduino D3 To add additionnal modules simply select free pins in the arduino setup tool Note : On some TM1637 ...

An Arduino nano and relay module with 4 relays (see picture above) was used to simulate and replace the guitar 3-step switch. The project for Arduino is in PlatformIoClamp15. Node-red was used to ...

As Arduino Nano board (Board2) cannot provide sufficient current to drive a relay, a 5V DC power adaptor is used for powering the relay module/board (RM1). To use 5V DC power adaptor with the circuit, ...