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 |

Recording Circuit (CB16013E)
This shield circuit allows recording of the signal from a serial output on a cassette recorder, with...
NEC NT6B Transistor Radio (CB18421E)
This Japanese radio receiver is from the 60s. It has 6 transistors and is powered by 4 batteries with...
Precision Power Source MC1404 (CB14545E)
The integrated circuit used is a voltage reference from Motorola. This configuration was obtained in...