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Adds note about common error message received when trying to flash to… (#433)
* Adds note about common error message received when trying to flash to arduino uno r4's * Update arduino.md --------- Co-authored-by: Patricio Whittingslow <[email protected]>
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content/docs/reference/microcontrollers/arduino.md

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@@ -66,3 +66,14 @@ Programs are loaded onto the Arduino Uno using the `avrdude` command line utilit
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- Plug your Arduino Uno into your computer's USB port.
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- Build and flash your TinyGo program using `tinygo flash -target arduino /path/to/code`
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### Arduino Uno R4 Support and other unsupported Arduino boards
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Currently Arduino Uno R4's are not yet supported. See [this PR](https://github.com/tinygo-org/tinygo/pull/4265) for more details.
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If you're receiving error messages like this
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```
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Error: programmer is not responding
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Warning: attempt 1 of 10: not in sync: resp=0x00
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```
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when attempting to run
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```tinygo flash -target=arduino -port=COM5```
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this is likely the cause.

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