Features: Hardware components: Arduino, relay module, jumper wires, and external power source Code: Arduino code for controlling the relay based on sensor input or a manual switch Applications: Home ...

Circuit Diagram of Interfacing Single Channel Relay with Arduino UNO. Below is the circuit diagram to control AC appliances using Arduino and relay: A relay usually has 3 or 4 pins. This relay has 3 ...

Code, wiring diagrams, and documentation describing how to interface an Arduino with RDM6300 module to read 125kHz EM4100 tags. When a card with the correct tag ID is read, as defined in the code, a ...

Fig. 2: Circuit diagram for interfacing laser LED module with Arduino. Connect pins 7 and Gnd of Arduino to pins 1 and 3 of KY-008 module, respectively. Run the first sketch (onoff.ino) to turn the ...

Waveshare provides instructions to get started and code samples using Arduino and MicroPyhon in the Wiki, but going with the latter might be easier as four samples are provided (instead of just one): ...