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 TTL module can be used in counter and many of them can be cascaded to counts up to 99, 999,...
This circuit was obtained in an American publication of 1977. The circuit generates rectangular...
Epson SG 8018 Epson Crystal Programmable Oscillators Available from Mouser Electronics, these...