Capacitor Test (CB26188E)

Found in a 1993 Electronics Experimenter Handbook, this circuit uses a multimeter to measure capacitance. The circuit is powered by 12 V.

| Clique na imagem para ampliar |

Mini Flasher (CB4416E)
This conventional slow-moving circuit uses incandescent light bulbs, but can be changed to use...
Electronic Dice (CB12221E)
This TTL dice is from an old publication from 1978, but it can still be assembled, as the...
Gate Control (CB18152E)
The purpose of this circuit is to control magnetic door locks activated by the power grid. The...