In electronic and industrial automation systems, relay modules play a crucial role by allowing low-power control signals to switch high-power devices. Selecting between a 5V relay module and a 12V ...

Qualcomm takes over Arduino, a manufacturer known for its microcontroller boards. Qualcomm is presenting its first single-board computer for DIY projects directly on the occasion of the takeover: the ...

Running out of GPIO pins? Learn how to connect multiple buttons to just one Arduino pin using clever wiring and resistor techniques. Perfect for compact projects, keyboards, or when using small boards ...

Gesture-based home automation allows users to control household devices through simple hand movements, removing the need for switches or remotes. It improves convenience, accessibility, and hygiene ...

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 ...

The “ESP32 IoT Relay Board” is a credit card-sized ESP32 board with four small 250VAC/30VDC 7A relays that runs Tasmota open-source firmware and supports Alexa & Google Assistant for voice control.

Abstract: Traditional billing and payment systems for energy are often marred by inefficiencies, delays, and susceptibility to human error. This paper presents a ...