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

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

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 ...

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

Learning Morse Code is no longer a requirement for HAMs in many jurisdictions, but it’s still a nice skill to have. [I_void(warranties)] wanted to learn, but couldn’t find a trainer ...

The developer of MartyPC, an emulator for vintage Intel-compatible hardware that targets cycle accuracy, has released a test ...

While child-sized humanoid robots like the Unitree R1 have come down in price, not everybody has a spare $6,000 to throw ...

Unexpected Maker has recently released the Series, a lineup of four new ESP32-S3 development boards: the EdgeS3, TinyS3, ...