LED counter 3 digits, w/ carry

This is a low cost basic 3-digit counter unit which can

provide the basis for many applications where a counter is

required. Connections are provided to connect together

two or more counters to make a six or nine digit unit. The

display is a single unit LED multiplexed display.

The kit is constructed on a single-sided printed circuit

board (PCB). The LED counter part of the PCB has been constructed so

that it may be cut off and located away from the main

circuit board.

Supply voltage: 9V DC

Size: 80 x 49 mm

Inputs (TTL-level): Clock, Reset, Latch

Output: Carry