10 Channels Sensor Switch

A touch sensor switch circuit that works with 10 channels can be designed using electronic scheme in the figure below. If one of the 10 sensors is touched, the corresponding output goes in a logical state 1, the other inputs are in logic state 0.

10 Channels Sensor Switch Circuit Diagram

This 10 channel sensor switch is built using 4017 CMOS decimal counter which provides "decoded" signals. A second oscillator realized with CMOS logic gates produces clock signal. The counter is working until it achieved the desired position of the switch.

The switch can be supplied with a DC voltage between 3 and 15 volts DC.

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