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.
Found in documentation from the 1980s, this circuit makes use of discrete components of the time....
This circuit was found in an Elektor from the 90s. The circuit is critical, requiring a very...
This project makes use of a technology without many digital components and that can be easily...