Looking for practical Arduino projects? This guide shows how to control a relay from your smartphone using an Arduino Uno — either via Bluetooth or Wi-Fi.

A number of stocks fell in the afternoon session after industry bellwether Texas Instruments signaled softer demand and issued a cautious outlook. Texas Instruments, a key chipmaker for various ...

The audio component centers around the SS8550 PNP transistor (Q1) which serves as a driver for the passive buzzer (BZ1). This ...