This circuit was obtained in a French documentation from 1981 and can be easily assembled. The analog instrument itself can be replaced by the current scale of an ordinary multimeter.
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...