The 1970s was a great time to be an electronics hobbyist, as a whole new world of analogue integrated circuits was coming down in price while new devices would appear …read more (https://hackaday.com/2023/04/25/op-amp-contest-a-slice-of-the-70s/)

Very Slow Movie Player Avoids E-Ink Ghosting With Machine Learning
https://hackaday.com/2023/04/25/very-slow-movie-player-avoids-e-ink-ghosting-with-machine-learning/

[mat kelcey] was so impressed and inspired by the concept of a very slow movie player (which is the playing of a movie at a slow rate on a kind …read more (https://hackaday.com/2023/04/25/very-slow-movie-player-avoids-e-ink-ghosting-with-machine-learning/)

Insulin Pump Teardown Shows One Motor Does Many Jobs
https://hackaday.com/2023/04/25/insulin-pump-teardown-shows-one-motor-does-many-jobs/

Modern insulin pumps are self-contained devices that attach to a user’s skin via an adhesive patch, and are responsible for administering insulin as needed. Curious as to what was inside, …read more (https://hackaday.com/2023/04/25/insulin-pump-teardown-shows-one-motor-does-many-jobs/)

Reading Ptolemy’s Treatise on the Meteoroscope On Palimpsests After Centuries of Recovery Attempts
https://hackaday.com/2023/04/25/reading-ptolemys-treatise-on-the-meteoroscope-on-palimpsests-after-centuries-of-recovery-attempts/

Ambrosianus L 99 sup., p. 190, ll. 14–23, UV fluorescence image by Lumière Technology. Upside-down Latin overtext in dark brown and Greek undertext in light brown.
" data-medium-file="https://hackaday.com/wp-content/uploads/2023/04/uv_fluorescence_palimpsest_ambrosianus_l_99_ll_14-23.jpeg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2023/04/uv_fluorescence_palimpsest_ambrosianus_l_99_ll_14-23.jpeg?w=800">During the Middle Ages much of Ancient Greek and Roman scientific, legal and similarly significant texts written on parchment were commonly erased, mostly because of the high cost of new …read more (https://hackaday.com/2023/04/25/reading-ptolemys-treatise-on-the-meteoroscope-on-palimpsests-after-centuries-of-recovery-attempts/)

Bass Reactive LEDs For Your Car
https://hackaday.com/2023/04/25/bass-reactive-leds-for-your-car/

[Stephen Carey] wanted to spruce up his car with sound reactive LEDs but couldn’t quite find the right project online. Instead, he wound up assembling a custom bass reactive LED …read more (https://hackaday.com/2023/04/25/bass-reactive-leds-for-your-car/)

Vectrex Light Pen Works Without a Raster
https://hackaday.com/2023/04/26/vectrex-light-pen-works-without-a-raster/

Sometimes the simplest of projects end up revealing the most interesting of things, as for example is the case with [Ryo Mukai]’s light pen for the Vectrex console. It’s an …read more (https://hackaday.com/2023/04/26/vectrex-light-pen-works-without-a-raster/)

The Goalie Mask, Reenvisioned
https://hackaday.com/2023/04/26/the-goalie-mask-reenvisioned/

The goalie mask, at least the retro-styled fiberglass types from the 60s and 70s, hasn’t been used in hockey for about 50 years —  it’s instead made many more appearances …read more (https://hackaday.com/2023/04/26/the-goalie-mask-reenvisioned/)

Parametric Design with Tinkercad
https://hackaday.com/2023/04/26/parametric-design-with-tinkercad/