Found in 90s Popular Electronics, this circuit fires an old camera flash of the type with a xenon lamp from the sound captured by a microphone.
This circuit was found in a 1977 Radio Handbook. The MOSFET supports an equivalent. Capacitor C must...
This circuit is from an American documentation from 1975. The circuit uses components of the time...
The selected circuit causes a 12 V lamp with a current of up to 500 mA for the BD135 transistor to flash at...