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Electronic touch switch

This electronic touch switch circuit is a touch switch ( on/off ) activated by skin resistance of finger. When the finger touch the on contact the a small current is delivered through skin to transistors to turn on the circuit .
The electronic touch switch circuit require few external components ( four transistors and four resistors ) and is very simple do build even for beginners .

The touch switch circuit remains on until the finger touch the off contact . This electronic touch switch designed with transistors require a 6 volts power supply circuit .

Electronic touch switch circuit

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