Search found 3 matches

by fenomatik
Sat Mar 09, 2024 3:11 am
Forum: Hardware
Topic: ESP32-WROOM-32D not getting into boot loader mode
Replies: 2
Views: 1729

Re: ESP32-WROOM-32D not getting into boot loader mode

The devboard has an auto-reset circuit which uses the serial DSR/DTR lines to get the chip in and out of boot mode. You don't have that, and your USB-serial converter does not have the DSR/DTR lines to build one either. If i get one of those USB TTL with these pins (DSR/DTR), I will still have to a...
by fenomatik
Fri Mar 08, 2024 12:28 am
Forum: Hardware
Topic: ESP32-WROOM-32D not getting into boot loader mode
Replies: 2
Views: 1729

ESP32-WROOM-32D not getting into boot loader mode

I have used Hiletgo ESP32-WROOM-32D devboard in the past and every upload was smooth and I never had to press EN or RESET and after uploading it resets itself. Now I am trying to build everything from basics, I am facing two problems with new project 1- I am using ESP32-WROOM-32D chip and it comes w...
by fenomatik
Sun Apr 23, 2023 7:20 am
Forum: Hardware
Topic: HiLetgo ESP32 Wroom not powering up with external 5V supply
Replies: 1
Views: 1087

HiLetgo ESP32 Wroom not powering up with external 5V supply

Bought this ESP32 dev kit from Amazon, everything is working until I wanted to use external 5V power supply. So far I have been using USB to power and upload the code to the ESP32 but now when I disconnect USB and try to power it with external 5V supply it just wont work (code doesnt execute) https:...