Arduino Relay Basics - How It Works and How to Use It Posted: June 3, 2025 | Last updated: June 3, 2025 Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot ...

Place the SIM800L library folder into your \Documents\Arduino\libraries folder. You may need to create the libraries subfolder if its your first library. Restart the ...

From automobiles to industrial equipment, electrical relays help control currents and enable automation. In this guide, we’ll explain what electrical relays are and what they do in electrical systems.

Abstract: This letter proposes a contention-based random access for air-to-ground communications, which is based on a slotted ALOHA protocol with a relay control scheme (RCS-ALOHA). In RCS-ALOHA, idle ...

This Arduino sketch demonstrates how to control a relay using a soil moisture sensor and two potentiometers to set the minimum and maximum thresholds for when the relay should turn on or off. The ...