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, ...

Connect the Buzzer to the Relay Module: Connect one end of the buzzer to NO (Normally Open) and the other end to COM (Common) on the Relay Module. Upload the Code: Open the Arduino IDE and create a ...

DO NOT connect in any ways the main power supply that drive the LOAD to the arduino and transistor circuitry! Turn OFF the relay with delay You can use this code example to introduce a delay in your ...

The article is a tutorial on how to control 16 relay through Arduino microcontroller with Ethernet shield W5100.

Learn how to build an RFID door lock system using Arduino for secure and smart access control. This step-by-step guide covers circuit connections, coding, and hardware setup to create an automated ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...