Connect relays to digital output pins on whatever Arduino via appropriate isolation circuitry, starting at some pin (default 5), sequentially Set the start pin and number of relays at the top of the ...

Arudino connected heater relay for 2-wire heater system Uses the SEEED relay shield v2.1 A basic example of a relay connected to the Arduino which can receive the following commands over the serial ...

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.

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 ...