Elektor Magazine

Waveform Visualizer Turns Room Noise Into Wall Art

A DIY wall-mounted sound visualizer plots ambient audio as a smooth waveform on an RGB LED matrix, combining a Pico-class ...

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

Hands On WIth The Raspberry Pi Compute Module Zero

We are all familiar enough by now with the succession of boards that have come from Raspberry Pi in Cambridge over the years, ...
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 ...

NYC mayoral inauguration bans Flipper Zero, Raspberry Pi devices

New York City's 2026 mayoral inauguration of Zohran Mamdani has published a list of banned items for the event, specifically ...

Zohran Mamdani banned Raspberry Pi devices from his inauguration as New York mayor - here's why

"Once a Raspberry Pi is banned, a smartphone sails through security despite being way more powerful, more connected, and more ...
Hackaday

LED cube

When it comes to making things that glow, there are two ways to stand out from the crowd. You can make something very big, or something very small. [DIY GUY Chris] has done the latter, producing a ...