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.
November 3, 2015 - Mouser Electronics, Inc. is now shipping the new Intel® Quark™ microcontroller...
Activating a relay from pulses (from a monostable, for example) can be useful in many types of...
We found this circuit in a 1967 Electronic design. However, it can be easily implemented even...