OpenGarage › Forums › Hardware Questions › Relay – High on boot? › Reply To: Relay – High on boot? January 3, 2019 at 8:59 am #1381 tekbar7522Participant Thanks for your quick reply. So the signal is actually low coming off the board during boot, right? In that case, I will order a relay that is active on high, and test again. What is the best way of testing with a multimeter if it is high or low?
