Bench thermometer (CB20501E)

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

Alarm with NO and NC Sensors (CB4806E)
Radio Electronics magazine published in a 90's issue this simple alarm that can use any general...
Shadow Activated Motor (CB15456E)
The passage of an object in front of the LDR in order to cause a momentary shadow triggers the...
bq21040 Manager of battery charger LiIon and LiPol (COM104E)
September 2016 - can already be found at Mouser Electronics new integrated circuit from Texas...