[Scott Baker] is at it again and this time he has built a 4-bit single board computer based on the Intel 4004 microprocessor. In the board design [Scott] covers the …read more (https://hackaday.com/2025/09/11/4-bit-single-board-computer-based-on-the-intel-4004-microprocessor/)

Dragon is the Latest, and Final, Craft to Reboost ISS
https://hackaday.com/2025/09/11/dragon-is-the-latest-and-final-craft-to-reboost-iss/

GMT237_EHDC1
" data-medium-file="https://hackaday.com/wp-content/uploads/2025/09/iss073e0519825.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2025/09/iss073e0519825.jpg?w=800">The International Space Station has been in orbit around the Earth, at least in some form, since November of 1998 — but not without help. In the vacuum of space, …read more (https://hackaday.com/2025/09/11/dragon-is-the-latest-and-final-craft-to-reboost-iss/)

Round and Round with a Tape Delay Synth
https://hackaday.com/2025/09/11/round-and-round-with-a-tape-delay-synth/

Over the years we’ve been entertained by an array of musical projects from [Look Mum No Computer], and his latest is no exception. It’s a tape delay, loop generator, and …read more (https://hackaday.com/2025/09/11/round-and-round-with-a-tape-delay-synth/)

Multi-Use Roof Eliminates Roof
https://hackaday.com/2025/09/11/multi-use-roof-eliminates-roof/

One of the biggest downsides of installing solar panels on a rooftop is that maintenance of the actual roof structure becomes much more difficult with solar panels in the way. …read more (https://hackaday.com/2025/09/11/multi-use-roof-eliminates-roof/)

6502 Puts on an SDR Hat
https://hackaday.com/2025/09/11/6502-puts-on-an-sdr-hat/

The legendary 6502 microprocessor recently turned 50 years old, and to celebrate this venerable chip which brought affordable computing and video gaming to the masses [AndersBNielsen] decided to put one …read more (https://hackaday.com/2025/09/11/6502-puts-on-an-sdr-hat/)

Analog Optical Computer for Inference and Combinatorial Optimization
https://hackaday.com/2025/09/11/analog-optical-computer-for-inference-and-combinatorial-optimization/

Although computers are overwhelmingly digital today, there’s a good point to be made that analog computers are the more efficient approach for specific applications. The authors behind a recent paper …read more (https://hackaday.com/2025/09/11/analog-optical-computer-for-inference-and-combinatorial-optimization/)

How the TI-99/4A Home Computer Worked
https://hackaday.com/2025/09/11/how-the-ti-99-4a-home-computer-worked/

Over on YouTube [The 8-Bit Guy] shows us how the TI-99/4A home computer worked. [The 8-Bit Guy] runs us through this odd 16-bit home computer from back in the 1980s, …read more (https://hackaday.com/2025/09/11/how-the-ti-99-4a-home-computer-worked/)