In the bright sunshine of a warm spring afternoon at Delft Maker Faire, were a row of 3D printers converted with paste extruders. They were the work of [Nedji Yusufova], …read more (https://hackaday.com/2023/05/15/a-paste-extruder-for-normal-printers/)

The MOS CIA Lives On, In 74HCT
https://hackaday.com/2023/05/16/the-mos-cia-lives-on-in-74hct/

It’s always pleasing to see a project we covered in its early stages reach maturity, so were very happy to bring you an update on [Daniel Molina]’s 74HCT6526. It’s a …read more (https://hackaday.com/2023/05/16/the-mos-cia-lives-on-in-74hct/)

DIY Programmable Guitar Pedal Rocks The Studio & Stage
https://hackaday.com/2023/05/16/diy-programmable-guitar-pedal-rocks-the-studio-stage/

Ever wondered how to approach making your own digital guitar effects pedal? [Steven Hazel] and a friend have done exactly that, using an Adafruit Feather M4 Express board and a …read more (https://hackaday.com/2023/05/16/diy-programmable-guitar-pedal-rocks-the-studio-stage/)

Two Stage Refrigerator is Chill
https://hackaday.com/2023/05/16/two-stage-refrigerator-is-chill/

Every time we check in with [Hyperspace Pirate] he’s trying to make things cold. Really cold. His recent two-part video shows a propane vapor compression system that can go down …read more (https://hackaday.com/2023/05/16/two-stage-refrigerator-is-chill/)

Microbubbles and Ultrasound: Getting Drugs Through The Blood-Brain Barrier
https://hackaday.com/2023/05/16/microbubbles-and-ultrasound-getting-drugs-through-the-blood-brain-barrier/

The brain is a rather important organ, and as such, nature has gone to great lengths to protect it. The skull provides physical protection against knocks and bumps, but there’s …read more (https://hackaday.com/2023/05/16/microbubbles-and-ultrasound-getting-drugs-through-the-blood-brain-barrier/)

Hackaday Prize 2023: Learn DSP With The Portable All-in-One Workstation
https://hackaday.com/2023/05/16/hackaday-prize-2023-learn-dsp-with-the-portable-all-in-one-workstation/

Learning Digital Signal Processing (DSP) techniques traditionally involves working through a good bit of mathematics and signal theory. To promote a hands-on approach, [Clyne] developed the DSP PAW (Portable All-in-one …read more (https://hackaday.com/2023/05/16/hackaday-prize-2023-learn-dsp-with-the-portable-all-in-one-workstation/)

A Bicycle Powered By A Different Kind Of Eddy
https://hackaday.com/2023/05/16/a-bicycle-powered-by-a-different-kind-of-eddy/

When you think of a bicycle and an Eddy, you’d be forgiven for thinking first of Eddy Merckx, one of the most successful competitive cyclists to ever live. But this …read more (https://hackaday.com/2023/05/16/a-bicycle-powered-by-a-different-kind-of-eddy/)