Blocking or non-blocking read; Supports any number of rows and columns; User defined key mapping; prevents reading the same event twice. A matrix keypad will have some pins or wires that you have to ...

Abstract: The main goal of this paper is to create a smart energy meter system by utilizing Internet of Things (IoT) and the Arduino Mega microcontroller. The goal is to develop a practical and ...

Shortwave radio enthusiasts are sure to know the problem: You're trying to tune in to your favorite global broadcast only to find that the signal is fuzzy. Is it you? Your equipment? It might just be ...

Learn how to make a simple device for monitoring the state of the ionosphere and the quality of shortwave signals using the CA3089 chip. Shortwave Propagation is the way radio waves in the 3 to 30 MHz ...

Arduino boards power everything from robots to RGB lights, but they're a little on the small side. YouTuber UncleStem has his own solution: build a gigantic, yet fully functional one. In a video ...

Arduino is being acquired by Qualcomm subject to regulatory approval for an undisclosed sum. Qualcomm Arduino introduces a new UNO form factor board, the Arduino UNO Q, which features both a STM32 MCU ...

Abstract: Every management system is trying to make automatic, portable and remote control. This work presents a novel smart energy meter for an automatic and superior metering and billing system. The ...

We may receive a commission on purchases made from links. There's a certain charm in seeing simple electronic systems at work. Don't you just get excited as you watch a mobile robot solve a maze or ...