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by jpraus
Fri Jan 04, 2019 2:30 pm
Forum: General Discussion
Topic: ESP32 WROOM 32 won't enter serial bootloader mode
Replies: 6
Views: 7428

Re: ESP32 WROOM 32 won't enter serial bootloader mode

Here is schematic of my wiring:
schematics.png
schematics.png (28.12 KiB) Viewed 7238 times
I think I have everything wired up correctly, can it be something with built-in firmware?
by jpraus
Thu Jan 03, 2019 8:20 pm
Forum: General Discussion
Topic: ESP32 WROOM 32 won't enter serial bootloader mode
Replies: 6
Views: 7428

ESP32 WROOM 32 won't enter serial bootloader mode

Hi, I am building a project based on a bare ESP32-WROOM-32 module (not a devkit). So far I was able to hook it up to and boot but when I want to flash it, it won't enter DOWNLOAD_BOOT mode. My setup: GPIO2 -> 10k pulldown to GND GPIO0 -> 10k pullup to VCC EN -> 10k pullup to VCC and 100nF capacitor ...

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