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Posts Tagged ‘RetroTime’

PCB a Week 4: RetroTime

Tuesday, January 8th, 2013

Mats continues his challenge of designing one PCB every week. In week 4 he came up with RetroTime, a digital clock with RGB LEDs in 12 tentacles extruding from the body of the PCB. Next week I'll do a slightly more advanced project than a simple breakout. I had this...

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Recent Comments

  • Drone: So these go for around $330 USD and NO published calibration procedure online or otherwise? Given what's inside - I don't think I'll be considering...
  • Pekka Akselin: This is ridiculous!? :-) We are back at 256(!) byte EPROMs that needed multiple, a handful, of voltages to run! :-(
  • KH: Let's try a back-of-envelope calc balancing energies. From MCP1700 datasheet, there are graphs for a 200mA load step. Estimate the energy shortfall as 12uJ. Say...
  • Daniel: It's been a week and my comment is still awaiting moderation. Apparently the CIA doesn't want their involvement known?
  • KH: Agree, so okay, I guess he must have learned from somewhere. 100nF and 1000uF is so far apart, that was jarring; it's more magic incantation...