I am using a simple send receive sketch to send data from one Mega to another)
I am using Pins 20-sda and 21-scl on both. The wires are going SDA to SDA and the same for the other.
Still, I get no communication.
I attached the sender and receiver sketches.
WireSlaveSender2Variables.ino (1.1 KB)
WireMasterReader2Variables.ino (994 Bytes)