I have a high-level understanding of microcontrollers and their functions. The microcontrollers currently works when powered via a USB port. But when I disconnect the laptop and use a DC power supply, the LED lights up red, but the code doesn't work. I've used 3.3v and 5v and also tried this code wi...

I'm using two esp 32 Wroom- DA that I got from Micro Center. I'm using the ESP Now function for a one-way connection. The code works perfectly the only issue I'm having is when I remove the USB from my COM port and power my ESP with a breadboard power supply. The light turns on which indicates it's ...

So the Esp master and slave are working fine with connected to my laptop. But when I disconnect them and then power them with a breadboard power supply the light turns on indicating its powered up but the code doesn't run. any suggestions?/