This 2000’s circuit causes LEDs to flash sequentially from programming on an 80C51 microcontroller. The circuit has an additional TTL and must be powered by a 5 V power source.
This simple strobe light is from an article in 1982. Its complete circuit, very simple, appears in the...
This power step for relay activation was found in the 1964 RCA transistors manual. The circuit is of the...
This circuit, bridge type, was found in American documentation from the 60's. The transistor is...