This circuit makes use of a specific 80's component and was found in an American manual of the time. A matrix keyboard allows you to select one of several music programs.
We found this circuit in 1964 General Electric documentation. The circuit works with mechanical...
March 21, 2016 - Mouser Electronics, Inc. is now stocking the WGM110 Wizard Gecko Wi-Fi module...
The relay used in this circuit must be of the sensitive type with a trigger current less than 10...