Well i successfully round tripped communication between the esp32 and the MEGA. So i guess i have the pins correctly setup. I'm now going to try to flash the mega and esp32 with the ino provided. How will i be able to tell if the mega is getting something from the esp32 that got a mqqt message from ...

Well i have some news, but not great news. Seems this shit is hard to debug. I took the esp32 i had and uploaded this code. //esp32 #include <HardwareSerial.h> HardwareSerial MySerial(1); void setup() { Serial.begin(9600); MySerial.begin(9600, SERIAL_8N1, 16, 17); Serial.println("Setup"); } void loo...

Updated my post with a little more information.

Not much help coming from me, but i'm in a similar situation. I can see messages going from HA to esp32 but the story after that is unclear. The mega doesn't see the serial data coming in. One thing i looked at was ensuring the current for both the esp32 and the mega were 7v. I saw something that th...

Hey All, I'm new to everything! I have a brown thumb overall but i'm a programmer so i figured i'd try science! This Home assistant tool is amazing. I've been playing with it over the past few days and now i've bought most items on the list. My plan is to use quite a bit of what was done here and mo...