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 with an ESP8266 ESP-01 module. With ...

Explore the often-overlooked busy pin feature of the MP3 player module (MP3-TF-16P or DFPlayer mini) in this comprehensive tutorail, ideal for hobbyists and Arduino enthusiasts. This third installment ...