This Bluetooth GATT Course Is A Must Watch

Bluetooth is a backbone technology for innumerable off-the-shelf and hacker devices. You should know how to work with it – in particular, nowadays you will certainly be working at the Bluetoo…

New Brains Save 12 V Fridge From The Scrap Heap

Recently [nibbler]’s Evakool 55L vehicle fridge started to act strangely, reporting crazy temperature errors and had no chance of regulating. The determination was that the NTC thermistor was…

An Electronic Orchestra Baton

The conductor of an orchestra may look unassuming on the street, but once they step onto their podium, they are all powerful. If you’ve ever wanted to go mad with power in the comfort of your…

2023 Halloween Hackfest: Haunted Keyboard Is Free From Ghosting

This may look like another DIY mechanical keyboard, but it’s hiding a secret. [Mx. Jack Nelson] has combined Halloween and keyboards in glorious, haunted fashion. Type a line, any line into t…

Raspberry Pi Pico W Now Supports Bluetooth

What’s the best kind of upgrade a piece of consumer technology can get? A free one that doesn’t require you to do anything other than accept a new version of the software it’s run…

This WiFi Signal Strength Meter Ain’t Afraid Of No Ghosts

The original Ghostbusters movie is a classic that’s still delivering nearly 40 years after its release — just let that sink in for a minute. Almost every aspect of the film, from hand p…