Liquid Crystal Watch (CB19860E)

This watch uses a liquid crystal display. The circuit is from the 80s and the module used is uncommon nowadays. Power is provided by a single cell.

| Clique na imagem para ampliar |

Astable Timer 555 (CB9369E)
This circuit was obtained in a Hands-On Electronics from the 90's. The circuit turns on one LED at...
Tunnel Diode Listening Transmitter II (CB19426E)
This low power circuit for the FM band was found in a spy book from the 90s. The tunnel diode is...
VHF Modulator (CB13496E)
This oscillator is used to modulate video game signals or even small cameras so that they can be...