This is definitely helpful I have never had to use a TTL I will have to research this more. I just purchased the below, as it has an esp inside. I am hoping I can figure out the flashing process and get it going. Thanks for all the advice.

https://www.amazon.com/gp/product/B09JZ398R8/ref=ppx\_yo\_dt\_b\_asin\_title\_o00\_s01?ie=UTF8&psc=1