Charlieplex clock
Charlie what? i hear you ask! Charlieplexing is a way of controlling many LED’s with only using a small amount of pins from the microprocessor. I came across this clock design by John Smout @ www.clock-it.net and...
Charlie what? i hear you ask! Charlieplexing is a way of controlling many LED’s with only using a small amount of pins from the microprocessor. I came across this clock design by John Smout @ www.clock-it.net and...
“Neoxnixe” clock using IN-12 nixie tubes. Picked up the old clock from ebay, pulled it apart and removed all of its guts to make space for the tube board and clock PCB. The IN-12...
A Four Letter Word device using B-7971 nixie tubes. These devices have a history that goes back to 1973! Since then, they have popped up now and then in various forms using different display...