INDICATORS ON LIGA MEGA25 YOU SHOULD KNOW

It truly is labeled "RESET-EN". You may also manage to disable the car-reset by connecting a a hundred and ten ohm resistor from 5V into the reset line; see this forum thread for specifics.74HC595 is usually a Serial to Parallel Converter that has eight outputs (excellent) and a few inputs that you use to feed info into it a tad at any given time