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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”
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