Search found 3 matches

by roomz98
Tue Sep 16, 2025 3:45 am
Forum: Hardware
Topic: ESP32-S3 USB CDC not working, no device detected
Replies: 6
Views: 3999

Re: ESP32-S3 USB CDC not working, no device detected

Ah okay, thanks. Here are the logs. I filtered to messages from IOPort, IOAccessory and IOService as they seemed the most relevant, but I can share unfiltered logs if needed (there was ~1k unfiltered in the same timespan!).

After connecting board


default 04:40:08.820713+0100 kernel ...
by roomz98
Mon Sep 15, 2025 8:27 pm
Forum: Hardware
Topic: ESP32-S3 USB CDC not working, no device detected
Replies: 6
Views: 3999

Re: ESP32-S3 USB CDC not working, no device detected

Makes no difference, nothing even appears in lsusb.

My next guess was I fried the ESD chip while assembling, so I removed it to do some more testing. With the ESD chip removed and the board powered by USB, there is a steady 3.3v on the ESP D+ pin (0v on D-). With the ESD chip removed there is no ...
by roomz98
Fri Sep 12, 2025 10:59 am
Forum: Hardware
Topic: ESP32-S3 USB CDC not working, no device detected
Replies: 6
Views: 3999

ESP32-S3 USB CDC not working, no device detected

I've been working on a PCB based on the ESP32-S3. I don't want to add buttons to it for boot selection, so I added a TagConnect footprint to allow me to enter DFU mode/flash using the ESPProg 2 board for the initial firmware upload.

It was my understanding that after flashing the first firmware ...

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