Beam Communicator (CB25533E)

This circuit was found in the December 1992 Radio Electronics magazine. Range depends on optical capabilities and also weather conditions.

| Clique na imagem para ampliar |

Proportional Control Heater UAA1016B (CB15348E)
This circuit incorporates a thermostat. The circuit is from Motorola's Linear Interface ICs from...
Ultra Low Frequency Generator 555 (CB13246E)
We found this circuit in a technical documentation from the 70s. The MC1555 is nothing more than...
6V battery charger (CB6400E)
This circuit was found in a 1967 RCA manual. The transistors are of the time. The adjustment is made to...