This electronic defense generates a high voltage discharge capable of intimidating an attacker. The circuit was found in the Radio Electronics Experimenter magazine special edition of 1990.
This circuit was obtained in a 90s documentation from Analog Devices. The sensitivity is in the...
Found in Radio Electronics from the 90s, this circuit is based on the 555 directly feeding a small...
This dual balanced modulator configuration was obtained in a 1980s telecommunications...