This old indicator circuit indicates only when the fuel reaches the sensor level. The integrated circuit is not common today. The circuit was found in documentation from the 1980s.
In the figure we have the transmitter and the receiver for an optical audio link via infrared. The...
Mouser Electronics offers a vibration sensor which is considered the smallest in its class. This...
This power supply for those who want to feed and recover 5 ¼ floppy disks was found in the...