Found in a Hands On Electronics from the 80's, this circuit activates a relay with alternating touches on the push-button. The relay depends on the supply voltage.
We found this circuit in an old documentation. General purpose equivalent diodes can be used. The...
This circuit, which combines a bipolar with any JFET, was found in the April 1993 issue of...
June 2017 - Microchip's new PIC18LF67K40 8-bit microcontrollers with Flash / EE / RAM memory and...