Search found 4 matches

by zgrate
Thu Dec 05, 2019 1:31 pm
Forum: Hardware
Topic: ESP32 DEVKIT in infinite loop, no serial connection
Replies: 6
Views: 4838

Re: ESP32 DEVKIT in infinite loop, no serial connection

Yep, problem solved. When I plugged in 3.3v external power, everything works. I've bought new regulator and will plug it as a replacement.
Thank you, topic to close
by zgrate
Wed Dec 04, 2019 2:43 pm
Forum: Hardware
Topic: ESP32 DEVKIT in infinite loop, no serial connection
Replies: 6
Views: 4838

Re: ESP32 DEVKIT in infinite loop, no serial connection

Oh, it's 1.4V or 1.8V with ENABLE, so here is the problem
Should I check all pins or start with specific one?
by zgrate
Wed Dec 04, 2019 7:57 am
Forum: Hardware
Topic: ESP32 DEVKIT in infinite loop, no serial connection
Replies: 6
Views: 4838

Re: ESP32 DEVKIT in infinite loop, no serial connection

DOIT ESP 32 DEVKIT V1

What pins should I check internally for shorts?
The power consumption (measured by USB charger doctor) is steadly on 0.02A during faulty boot, on holding ENABLE it drops to 0.00A (out of the range of the charger)
by zgrate
Tue Dec 03, 2019 6:29 pm
Forum: Hardware
Topic: ESP32 DEVKIT in infinite loop, no serial connection
Replies: 6
Views: 4838

ESP32 DEVKIT in infinite loop, no serial connection

Hello One day, after flashing software on my ESP32, it only dimmed the light down and disconnected from PC. Now, when I connect to PC (using different USB cables) the LED light up only a little bit, and the PC don't recognise the board. Only when I hold EN it is detected, but I can't flash new softw...