This electronic defense was found in the 1990 special issue of Radio Electronics Experimenter magazine. A few hundred volts is generated.
Rumble is a low frequency rumble that occurs with turntables. If the reader recovers recordings on...
The transistor of this oscillator can be 2N2222. L1 is formed by 9 turns of wire 26 with a socket...
This circuit was obtained from a Popular Electronics of 1994. The magazine no longer exists in its...