This is a low cost basic 3-digit counter kit 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. Main board has the 3-digit counter circuit while the second board has Count and Reset pushbutton switches and debounce circuit. Can be cascaded with other boards to provide more digits. Runs on 9V battery. Size : 3.125" x 2" x 1".
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