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.
June 2017 - Mouser Electronics announced the availability of new low-power Bluetooth modules from...
With this circuit it is possible to obtain a higher voltage from a zener diode. The circuit is from...
Found in American documentation from 1964, this circuit uses transistors from that time, which are not...