NE555 from discrete components
l.i.papadopol
To better understand the NE555 timer’s internal operation and practical applications, I decided to rebuild it using discrete components. Although the datasheet shows a block-diagram of its internals, it lacks…
M-Digicard 3D printed enclosure
Last Christmas, I received an Anycubic Photon Mono 4K SLA 3D printer system as a gift. This printer employs UV-curable resin, which is spread over a display and then hardened…
EG&G DSPec MCA
Some time ago, in September at Marzaglia scrap-fair, I’ve got this EG&G Ortec DSPec table-top multichannel analyzer. My unit had the 5k 10 turn “Helipot” HV selector missing. I’ve replaced…