Solar power source (CB20481E)

In the figure we have a solar power source for experiments with this type of energy. The cells must be of the same type.

Digital Cassette Recover (CB13606E)
This circuit makes it possible to recover programs recorded on cassette tape as was common in MSX...
0.1 to 90 Seconds Unijunction Timer (CB1253E)
This circuito from the 1977 GE Semiconductor Manual circuit provides timings from 0 to 90 seconds...
800 W dimmer (CB5277E)
We found this circuit in an American publication from the 1990s. The triac must be equipped with a heat...