README Relay-Interfacing-with-Arduino This project demonstrates how to interface a relay module with an Arduino to control high-voltage appliances safely. The setup involves using a relay as a switch, ...

So in this tutorial, we decided to interface the SD Card module with Arduino and we will let you know all the details. So without further ado let's get right into it. Micro SD Card Module Pinout The ...

Here we discussed about the pinout and different modes of ultrasonic sensor module and how it works. Also we learned how we can use ultrasonic sensor module with Arduino.

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Here, we are using a 4 relay module because we will only control four appliances. If you want to automate a different number of appliances, you can use a different relay module. There are many relay ...

This project turns on and turns off a laser LED after every second. It can also monitor its own supply voltage level. It uses KY-008 Laser LED module.

The RGB LED module lets you make all sorts of colors with just four pins from the Arduino. Learn how to do it here!

Power on the receiver circuit next and wait for five seconds as defined in receiver code. Press pushbutton (S1 or S2) in transmitter circuit to control the corresponding relay in receiver circuit.