Found in a 1960s Electronic Design, this circuit provides a signal from the sensing of an analog voltage determined by the zener diode.
This conventional application of the 555 as monostable was found in a technical documentation from...
Found in a 1993 Electronics Hobbyst Handbook, this passive circuit can be used with common...
This circuit indicates the resistance of the skin of those who hold the electrodes. RV1 makes the...