S2 Mini UART communication fails using Serial.println on ArduinoIDE

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Assessment

Difficulty
2/5
Estimated time
1-3 hours
Newbie friendliness
45/100
Issue type
Documentation
Clarity
Mostly clear
Activity status
Stale
Tech stack
arduino
Domain
documentation, embedded-iot

Research direction

Start by reading the S2 Mini documentation and checking the Arduino IDE serial behavior described in the issue. Document the RX and TX pins, identify whether the PCB USB connection is Serial0 or another serial port, and clarify whether it supports communication while the program runs.

Written by the indexing model from the issue text.

Description

My S2 Mini, you can use the USB to upload code, but while running, the USB port is disabled. In the documentation it does not specify:

  • What are the RX and TX pins to avoid using them by mistake
  • If the USB on the PCB is Serial0 or if it is an additional serial port
  • If the USB only serves to upload code or if it also allows communication with the running code
Dominant language
No language data
Stars
38
Forks
36
No merged PRs in 30d

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

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