This high-power flasher for incandescent signaling lamps was found in a 1980s General Electric documentation. The circuit has a photoelectric control and is powered by the 110V grid.
This power supply has a resolution of 10 pA in the current range from -100 to +100 nA. The circuit is...
This circuit uses two unijunction transistors and only one capacitor, generating signals at a...
The sensors of this liquid alarm are formed by two pieces of wire with the ends peeled off. The...