NE555 from discrete components
l.i.papadopol
To better understand the internal operation and practical applications of the NE555 timer, I decided to rebuild it using discrete components. Although the datasheet provides a block diagram of its…
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, at the Marzaglia scrap fair in September, I picked up an EG&G Ortec DSPec table-top multichannel analyzer. My unit was missing the 5k, 10-turn “Helipot” HV selector.…