Bench thermometer (CB20501E)

With an ultra-low consumption, this circuit can be powered by solar cells. The circuit is from a 1991 documentation.

Metronome (CB12098E)
This traditional configuration, found in other articles on the site, was published in a Poptronics of...
Resistance to voltage converter 2 (CB9599E)
Found in American documentation from the 1980s, this circuit uses an ADC from that time, which is...
SHTW2 Humidity and Temperature Sensors (COM073E)
August 2016 - It can be obtained from Mouser Electronics the new temperature and humidity sensors from...