Hello, I have a Arduino Mega 2560 and I'm attempting to control two 8 Channel Relays. I'm using these relays: https://www.amazon.com/JBtek-Channel-Relay-Arduino-Raspberry/dp/B00KTELP3I
Currently, I am trying to run both relays off of a single mega. However, the relays do not trigger.
I have wired the VCC pin on each relay to two 5v pins on the mega, and grounds connect to a separate ground pin on the mega.
I had a single relay working previously, so I know the relays work. But now they don't seem to be powering.
I attempted to take measure the voltage off the pins, which appeared to be only 1.1v.
I'm going to attempt to use separate power, however, even with one relay connected, I'm now still not getting trigger on the relays.
If anyone has ideas how to make this actually work. I'm open to suggestions.