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Arduino Relay Basics - How It Works and How to Use It

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 ...
CNX Software

WiFIRCard – A credit card-sized WiFi and IR-controlled dual relay board (Crowdfunding)

WiFIRCard is a credit card-sized ESP32-S3 board designed for home automation with two relays and a few GPIOs (headers and screw terminals) that can be controlled over WiFi 4 or an IR (infrared) remote ...
Team-BHP.com

I turned my Tata Vista into a smart car using Arduino for just Rs 2000

This setup has features like remote start, voice feedback, anti-theft, follow-me-home via remote and whatnot! BHPian Skyline_Vista recently shared this with other enthusiasts: This truly reflects my ...
electronicsforu

Flame-Sensing Fire Alarm Using an Arduino Nano

Fire safety alarms are crucial in both residential and industrial environments. Early fire detection can prevent significant damage and save lives. Flame sensors offer one of the most efficient ...
CNX Software

Arduino Pro Opta D1608E/D1608S expansions feature electromechanical or solid-state relays, 16 I/Os

Arduino has recently announced two new expansions to their Arduino Pro Opta PLC series – the Arduino Pro Opta Ext D1608E and Arduino Pro Opta Ext D1608S, the main difference between the two is that ...
Ars Technica

Switch a 12V relay over mobile network

I would like to turn on my car's heated seats over a mobile/cellular network using my iPhone, and I'm trying to figure out the simplest path. I know very little beyond that goal, but I know that RF, ...
elektormagazine

Arduino Nano ESP32 - A Short Tutorial to Setup and IoT Usage

Discover the ultimate IoT powerhouse—Arduino Nano ESP32! Unleash creativity with C/C++ in Arduino IDE, or embrace MicroPython's simplicity. Wi-Fi, Bluetooth 5 LE, 16 MB Flash, LEDs, all in a compact ...