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secondhand Smart Kit No.1173 countdown timer circuit

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Smart Kit No.1173

For sale is the assembled smart kit no.1173, a countdown timer, from 0 to 99 minutes. A simple yet very useful circuit that will help you accurately measure time. The circuit is based on the well-known microcontroller PIC16C54 and ensures accuracy and reliability. It counts down seconds and when it reaches zero, it activates a relay. Ideal for use in automatic machines and generally for scheduled time measurement. It consists of two boards: the main circuit and the control and display circuit. Memory capability (back up). Power supply voltage: 9-12Vdc, current consumption: 220mA max. It is like new, with minimal use. Shipping only with boxnow.