This circuit was found in a 1980s American documentation. The circuit is based on integrated CMOS 4001 that are common today. The load is a relay according to the power supply from 6 to 12 V.
July 2017 - The new touch switches from Alps SKPS series for surface mounting can now be purchased from...
Found in an 1989 R-E Experimenters Handbook, this circuit produces several sound effects that can...
June 2017 - Mouser Electronics has a broad line of Cree products for use in horticulture, such as...