This circuit was found in a 1967 US publication. In it we have the implementation of a ring counter using only relays. Relay free contacts can trigger indicator lamps or LEDs.
This circuit was obtained from an American 80's documentation. The transistors can be 2N2222 and...
Maxim MAX20094 and MAX20095 Battery Chargers Maxim Integrated offers through Mouser Electronics high...
This low noise audio amplifier step uses only one transistor and is high enough to operate with low...