3 cool HDMI gadgets you might not know exist

HDMI ports do more than connect cables. From audio routing to wireless displays, lesser-known HDMI gadgets can quietly expand ...
CNX Software

2.1-channel audio HAT for Raspberry Pi features Texas Instruments TAS5825M class-D amplifier

Previously, we wrote about the Louder Raspberry Pi, an open-source media center that integrates the Louder Raspberry Hat ...
Hackaday

function generator

Over on YouTube [Andrew Neal] has a Function Generator Build for Beginners. As beginner videos go this one is fairly comprehensive. [Andrew] shows us how to build a square-wave generator on a ...
Hackaday

555-Based Square-Wave And Triangle-Wave Function Generator Build For Beginners

Over on YouTube [Andrew Neal] has a Function Generator Build for Beginners. As beginner videos go this one is fairly comprehensive. [Andrew] shows us how to build a square-wave generator on a ...
PC Magazine

Stop Paying for VPNs: I Built My Own in Hours With a Raspberry Pi 5

Tired of paying for pricey VPNs? With a Raspberry Pi and a bit of know-how, you can host your own VPN for free. I’ll show you exactly how to do it. I’ve been writing about technology since 2012, ...