Found in a Popular Electronics from the 90s, this game can be seen in other configurations on this site. The circuit uses components that are still common today.
This circuit supplies a load with pulsating direct current that can be filtered by C1 (10 uF to...
Interval pulses emitted by this circuit are picked up in a medium wave radio nearby. The circuit is...
The transistor used in this circuit is uncommon today. AC124 or equivalent such as AC188K and...