Looking for practical Arduino projects? This guide shows how to control a relay from your smartphone using an Arduino Uno — ...

RelayModule Library will help you to write neat code for relay modules. It will reduce the confusion and enhance the code readability . You can create RelayModule instance in your Arduino source code, ...

Here we have provided PCB layout, circuit diagram, and Gerber files so that you can build or directly order this Relay Driver Module. Previously we have built 4-channel Relay Driver Module, but this ...

This project demonstrates how to create an anti-sleep alarm system for drivers using an Arduino Nano and a Relay Module. The system detects signs of drowsiness or fatigue in the driver and triggers an ...

FTDI Board (USB to TTL): To upload code in ESP8266 – 01. Fig. 3: FTDI Board 2 AC Appliances One (1) 2-Channel Relay Module Fig. 4: 2 Channel relay module Breadboard with some wires. Steps for the ...

The input pin of the Relay module is connected to pin 7 of Arduino. Direction and Step pins of the A4988 module are connected to 2 and 4 pins of Arduino. In this project, an IR sensor is used as an ...