How to build your own air quality meter with a Raspberry Pi and CO2 sensor

In winter, it’s important to ventilate living and working spaces regularly. Here’s how to make a homemade measuring station ...
Hackaday

This DIY Split-Flap Display Does Both Time And Weather

According to the project’s GitHub repository, it looks as though each split-flap has thirteen unique positions. The first ten are for numerals 0 through 9, and the rest are either blank, or used to ...

5 Raspberry Pi Projects That Can Replace Your Expensive Subscriptions

Subscription services are everywhere these days, and they only seem to get more expensive. Luckily, with a Raspberry Pi, you ...
Liliputing

This Raspberry Pi 5 add-on gives you four more Ethernet ports

While the FPC connector on the Raspberry Pi 5 makes it possible to add hardware like PCIe NVMe adapters, a whole bunch of USB ...
Hackaday

Raspberry Pi Zero 2 W

The Etch A Sketch was never supposed to meet a Raspberry Pi, a camera, or a mathematical algorithm, but here we are. [Tekavou]’s Teka-Cam and TekaSketch are a two-part hack that transforms real photos ...