Category Archives: surplus

Rolling Your Own LED Matrix Driver, With Copper Foil Tape to the Rescue

It all started when [Damien Walsh] got his hands on some surplus LED boards. Each panel contained 100 mini-PCBs hosting a single bright LED that were meant to be to be snapped apart as need. [Damien] had a much better idea: leave them in their 20×5 array and design a …read more

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Posted in 3d printed, copper tape, cree, diffuser, dot matrix LED, ESP32, IS32FL3738, led hacks, led matrix, surplus, wi-fi | Leave a comment

Hackaday Links: March 15, 2020

Just a few weeks ago in the Links article, we ran a story about Tanner Electronics, the Dallas-area surplus store that was a mainstay of the hacker and maker scene in the area. At the time, Tanner’s owners were actively looking for a new, downsized space to move into, and …read more

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Posted in Covid-19, eda, Eric S Raymond, ESR, gears, Hackaday Columns, Hackaday links, involute, mars, mocap, motion capture, open source, osd, OSI, PCD, rover, surplus, Tanner | Leave a comment

Hackaday Links: February 2, 2020

Is it just me or did January seem to last for about three months this year? A lot has happened since the turn of the decade 31 days ago, both in the normie world and in our space. But one of the biggest pieces of news in the hacker community …read more

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Posted in 2020 Hackaday Belgrade, con, ct, digital detox, Hackaday Columns, Hackaday links, larynx, LoRaWAN, mummy, security, serbia, surplus, voice | Leave a comment

An (Almost) Free Apollo-Era Rocket

According to recent news reports, NASA’s Marshall Space Flight Center in Huntsville Alabama wants to give away a piece of history — an engineering test article of a Saturn I Block I booster. The catch? You’ll need to pay to haul it off, which will cost about $250,000. According to …read more

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Posted in nasa, news, rocket, Saturn, space, surplus | Leave a comment