Temperature to digital converter (CB7328E)

This circuit is from National Semiconductor documentation from the 90s. The components are from the era.

| Clique na imagem para ampliar |

Metronome (CB13189E)
This circuit, found in an American publication from the 1970s, produces an audible tone in a...
Canine Feeder for 3 Meals (CB18135E)
This circuit was found in a 2006 publication. It can serve as the basis for a microcontrolled...
Power supply circuit (CB25186E)
By adding a transistor to the output and some polarization features we can obtain a higher output...