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DIY Cardboard Mechanical 7-Segment Display: How It Works!

Discover the fascinating process behind building a mechanical 7-segment display entirely from cardboard and simple household ...
Hackaday

Any Old TV Can Be A Clock With Arduino

If you’ve got an old black and white TV, it’s probably not useful for much. There are precious few analog broadcasters left ...
CNX Software

Easily create an ESP32-C5 dual-band Wi-Fi analyzer

Chen Liang (陳亮) has found an interesting use case for the Espressif ESP32-C5: a dual-band Wi-Fi analyzer showing the signal ...
Hackaday

The Busch Electronic Digital-Technik 2075 Digital Lab From The 1970s

In a recent video, [Jason Jacques] demos the Busch Electronic Digital-Technik 2075 which was released in West Germany in the 1970s. The Digital-Technik 2075 comes with a few components including a ...
NPR

Boston Public Radio Podcast

November 26, 2025 BPR Full Show 11/26: Thanksgiving Eve Former secretary of public safety, Andrea Cabral, discusses how federal immigration forces are misusing "less lethal" weapons against protesters ...
NPR

Short Wave

New discoveries, everyday mysteries, and the science behind the headlines — in just under 15 minutes. It's science for everyone, using a lot of creativity and a little humor. Join hosts Emily Kwong ...