Re: MAXESP3 - 12v Regulator


Drew 🔭📷🚴‍♂️
 

On Tue, Oct 26, 2021 at 02:00 PM, <markarose@...> wrote:
Everywhere is showing 2.72v except the Wemos D1 Pro which has 3.3v. Cant see on the EDA where that 3.3v comes from.
Again, the 3.3v regulator is on the ESP32 chip/module. Pull it and the 2.742v will disappear. The Wemos D1Pro has it own 3.3v regulator, that is what you are measuring there, it has no connection to the main board..

It sounds to me like you have something loading that regulator or a bad ESP32 chip. Look for problems wherever the 3.3v is used. Pull the drivers and see if it changes. Look at the status led (D2) and circuit around J2, for example.

Join main@onstep.groups.io to automatically receive all group messages.