Search found 3 matches

by fcampos
Tue Sep 15, 2020 4:49 pm
Forum: General Discussion
Topic: not able to flash esp32
Replies: 2
Views: 2116

Re: not able to flash esp32

Figured out. My GPIO12 was 3.26V and cannot be, because causes the flash to brownout. Everything explained here: https://github.com/espressif/esptool/wi ... other-pins

Thanks anyway!
by fcampos
Tue Sep 15, 2020 9:08 am
Forum: General Discussion
Topic: not able to flash esp32
Replies: 2
Views: 2116

not able to flash esp32

Hi all. I'm not an expert or something with esp32 but I've been working the past 10 months with these chips and learned something about their failures (lot of them). Right now I'm trying to flash code into my 6th esp32 and it appears the following as indicates the image attached. I'm proceding the s...
by fcampos
Fri Jan 31, 2020 3:23 pm
Forum: General Discussion
Topic: Lower ADC measurements on ESP32
Replies: 1
Views: 2291

Lower ADC measurements on ESP32

I need to measure in a system I'm creating voltages ranging from 2mv-50mv. Since ESP32 minimum attenuation can only measure from 100mv-950mv, is there i can possibly read my range values with an ESP32-WROOM-32?

Thanks.