If you ever had the occasion to visit Bell Labs at Murray Hill, New Jersey, or any of the nearby satellite sites, but you didn’t work there, you were probably …read more (https://hackaday.com/2024/01/22/bell-labs-is-leaving-the-building/)

Fixing A PDP-11/03 Power Supply Is Easy When You Understand It
https://hackaday.com/2024/01/22/fixing-a-pdp-11-03-power-supply-is-easy-when-you-understand-it/

After we last saw [David Lovett] of [Usagi Electric], he was knee-deep in trying to fix a DEC PDP-11/03 power supply, which fortunately led to a fixed PSU and a …read more (https://hackaday.com/2024/01/22/fixing-a-pdp-11-03-power-supply-is-easy-when-you-understand-it/)

X-Ray Investigations Hack Chat
https://hackaday.com/2024/01/22/x-ray-investigations-hack-chat/

Join us on Wednesday, January 24 at noon Pacific for the X-Ray Investigation Hack Chat with Ahron Wayne! It’s hard to imagine a world where we didn’t figure out how …read more (https://hackaday.com/2024/01/22/x-ray-investigations-hack-chat/)

Switching Regulators For Dummies
https://hackaday.com/2024/01/22/switching-regulators-for-dummies/

We often use linear regulators in our designs. They are cheap and simple – you put the regulator chip itself on the board, add two capacitors, and get a voltage. …read more (https://hackaday.com/2024/01/22/switching-regulators-for-dummies/)

Inside a Fake LM358
https://hackaday.com/2024/01/22/inside-a-fake-lm358/

[IMSAI Guy] got some fake LM358 op-amps. Uncharacteristically, these chips actually performed well even though they didn’t act like LM358s. [IMSAI Guy] did a video about the fake chips and …read more (https://hackaday.com/2024/01/22/inside-a-fake-lm358/)

Read QR Codes without a Computer
https://hackaday.com/2024/01/22/read-qr-codes-without-a-computer/

Did you ever watch Star Wars and wondered how people understood what R2D2 was saying? Maybe [Luke Skywalker] would enjoy learning to decode QR Codes by hand, too. While it …read more (https://hackaday.com/2024/01/22/read-qr-codes-without-a-computer/)

X-Ray CT Scanners From eBay, Brought Back to Life
https://hackaday.com/2024/01/22/x-ray-ct-scanners-from-ebay-brought-back-to-life/

If you have ever wondered what goes into repairing and refurbishing an X-ray Computed Tomography (CT) scanner, then don’t miss [Ahron Wayne]’s comprehensive project page on doing exactly that. He …read more (https://hackaday.com/2024/01/22/x-ray-ct-scanners-from-ebay-brought-back-to-life/)