This article will explore the workings of a relay module and provide a detailed guide on how to interface a single channel relay module with an Arduino.

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 ...

SIM900-Arduino-Relay-Control This project uses GSM Module (SIM900) with Arduino to switch Relay state by SMS OR CALL.

Welcome to my quick review of an inexpensive 2-channel 5V relay module controlled via RS485 bus utilizing Modbus RTU protocol. As claimed by some online sellers, this easy-to-get Modbus RTU 2-Channel ...

This weeks Tech Tuesday shows you how to drive model railway point motors with the Arduino microcontroller platform. In this video we show you how to program the Arduino to control a 16-channel 12V DC ...