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Flash new firmware with ESPhome

2025-12-30 22:05:21 Ask

I keep getting this error:


ERROR Running command failed: Could not open COM16, the port is busy or doesn't exist.

(could not open port 'COM16': PermissionError(13, 'Access is denied.', None, 5))


it is the right port

how to put the board in ready flash mode?

how to set the correct YAML?


I have the following:

esphome:

 name: esp32-c6-device

 platformio_options:

   build_flags:

     - "-DESP32_C6"  # Optional, for compatibility

esp32:

 variant: esp32c6

 flash_size: 8MB

 framework:

   type: esp-idf

   version: recommended  # Or 'latest' for bleeding edge

   # sdkconfig_options:  # Optional advanced tweaks if needed

ESPhome flash port issue
1answers
SpotPearGueste93f8
Answer time:
2025-12-31 09:32:58

When powering on the system, make sure the boot button is pressed so that you can enter download mode.

We cannot provide configuration information related to ESPhome, but you can refer to our schematics for configuration.

If you have any other questions, you can contact this email: tech-support@spotpear.com

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Price: $14.9-15.9
Part Number: ESP32-C6-Touch-LCD-1.47
Brand: SpotPear