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> 3 digit counter kit expandable, 7SEG led display K1
3 digit counter kit expandable, 7SEG led display K1
Includes counter PCB, remote trigger PCB, and case
Two or more counter modules may be plugged together with the 6-pin sockets & harness provided.
Uses a single-unit 3-digit LED display.and is built around the 14553 & 14511 chips. Box & battery clip are provided. The separate COUNTER MODULE shows how to use the Kit as a counter. Has COUNT & RESET switches with debounce circuit built in to eliminate problems from noisy switches. 9V battery operation
