The ESP32 that I went for is specifically the ESP32-DevKitC, which is easy to find, cheap, and compatible with most things ...

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

Looking for practical Arduino projects? This guide shows how to control a relay from your smartphone using an Arduino Uno — ...

The beginner’s guide for hobbyists and makers unlocks some of the practical secrets behind lightning detection design.

If you're knee-deep in Home Assistant like I am, then check out these more niche integrations that require editing your config to use.