alternating On-Off Switch
Use this circuit instead of a standard on-off switch. Switching is very gentle. Connect unused input pins to an appropriate logic level (I used ground). Unused output pins *MUST* be left open! First 'push' activates the relay, another 'push' de-activates the relay. IC1, the MC14069 (or 4069) is a regular Hex-inverter type and is [...]Sursa
2015-06-02 15:48:50