4 Digit LED Up/Down Counter using MCU (Assembled)

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Skill Level : Assembled and Tested

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Description: 4 Digit Up / Down Counter using an Atmel AVR 90S1200 micro-controller. Reset, up, down, disable and overflow to a second counter. 4 digit multiplexed display. Oscillator contained within the micro. The first in a series of counters using uC's. This kits clearly shows how uC's can more than replace a host of ordinary logic IC's.


  • This is a single-sided PCB

  • 9-15 VDC operation

  • Current consumption of 20mA to 40mA

  • PCB size: 63 mm x 50 mm 2.48” x 1.97"

NOTE: Please allow 24 hours for assembly!

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