5 V NE555 astable timer circuit that blinks an LED at about 1 Hz with current limiting, timing network, control-pin bypass, and sup... show more5 V NE555 astable timer circuit that blinks an LED at about 1 Hz with current limiting, timing network, control-pin bypass, and...
9V LED blinker with added USB Type-C interface and STM32 microcontroller for future USB communication/programming9V LED blinker with added USB Type-C interface and STM32 microcontroller for future USB communication/programming