* v.1 - some changes: https://forum.arduino.cc/t/control-4-relays-to-turn-on-for-a-few-seconds-a-day-and-then-turn-off/1112044/15 * v.1a - Nicu FLORICA (niq_ro ...

The first boolean parameter selects fast or slow clock. The second one provides an option of "true interrupt" usage pattern, which avoids using the main loop() of an Arduino app alltogether. This is ...