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- Sun Feb 01, 2026 9:14 pm
- Forum: General Discussion
- Topic: Unable to upload to ESP32
- Replies: 1
- Views: 301
Unable to upload to ESP32
Hi, we are working with an ESP32S3-WROOM-1 on top of our own custom PCB. For a few months we were developing code and uploading worked just fine over the built-in USB serial. However in the past couple of weeks we have not been able to upload — they don't show up on the USB bus when plugged in with ...