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.
We found this circuit in a 1977 National Semiconductor audio manual. The integrated circuit is the...
This circuit was obtained from an Analog Devices documentation from the 90's. The circuit is for a...
This circuit was found in Motorola documentation from 1968, using high power transistors and...