Charis Bidding Helper

Parts list:

  • a 2 line 16 character LCD display (interface unimportant as long as it works with an Arduino library)
  • 1 7414 schmitt hex inverter
  • 1 4094 8 bit shift registor (only if needed for LCD display)
  • 1 10k trimmer resistor
  •  at least 3 buttons, resistors, and capacitors
  • 7805 (or similar) +5VDC power supply (500 ma or better)

The following is for each 'remote control' device:

  • 1 common anode 2 digit 7 segment LED display
  •  14 resistors (for current limiting, 200 to 330 ohms)
  • 2 7447 BCD decoders
  • 1 4049 8 bit shift register.
  • 1 push button (optional)
  • a 5 or 6 wire connector of some sort (DINs work well, though expermentation with other connectors is encuraged)

Pics: Comming soon

Code: comming soon