This circuit triggers an alarm in the event of a power failure. The circuit is from an 80's documentation, being powered by 9 V battery. The parts are common today.
This circuit was obtained from a Linear Technology manual from the 1990s. The components may have...
This simple multitester tests continuity, semiconductors, leaks, and other common component...
This flip-flop using two bipolar transistor was found in a publication of the year 1968. The...