relay Archives - Use Arduino for Projects

Using an Arduino as a Latching Relay

Posted By: arduino engineeron: December 21, 2016In: LED ProjectsNo Comments

I wrote this one hot week in July 2010. I’ve been leaving my front door ajar, to get some air through the house. Probably not a very good idea. So I thought I’d hook up an Arduin... Read more

Arduino Tiny Relay Shield Project

Posted By: arduino engineeron: August 25, 2016In: Interfacing(USB – RS232 – I2c -ISP) ProjectsNo Comments

In this Arduino project, you will build a small relay shield from stripboard. The shield can have one or two relays fitted to it. Connect the Arduino and relay shield to your PC via a USB ca... Read more

Smart Relay Power Box(SiriProxy Compatible)

Posted By: arduino engineeron: November 01, 2015In: Development Board – Kits Project IdeasNo Comments

If you have ever wanted to control high voltages/currents with an Arduino, setup up a complicated light timer, or even have Siri turn on a Lamp. Then this is an instructable for you! In this... Read more

Control a Relay with Arduino

Posted By: arduino engineeron: September 13, 2015In: Sensor – Transducer – Detector ProjectsNo Comments

In this quick Arduino tutorial I will explain how you can control a relay using the Arduino Board, one 1K and one 10K resistors, 1 BC547 transistor, one 6V or 12V relay, one 1N4007 diode and... Read more

Connecting a 12V relay to Arduino

Posted By: arduino engineeron: July 17, 2015In: Interfacing(USB – RS232 – I2c -ISP) Projects, ProjectsNo Comments

To connect a 12V relay to the Arduino you need the following things: – 1 Arduino – 1 diode for example 1N4007 – 1 NPN transistor for example 2N2222 (in the US) or BC548 (in... Read more

Larson Scanner with Relay Module using Arduino

Posted By: arduino engineeron: September 17, 2014In: Other Projects, Projects, Sensor – Transducer – Detector ProjectsNo Comments

This time I’ll show how I used an Arduino to control a relay module with eight channels. Arduino in offers several advantages such as: – Open source; – Easy programming;... Read more

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