[gnea/grbl-Mega Issue#164] Can’t get any output in serial monitor About GRBL HAL

Issue #164 | 状态: 已关闭 | 作者: tekkzLK | 创建时间: 2022-07-20

Hello,
I’m trying to control a custom made 3D-Printer with an Arduino Mega and GRBL. Currently I’m using an Arduino Uno for that and everything works.

For the Mega I downloaded the grbl-Mega and uploaded it to the Arduino Mega with the Arduino IDE 1.8.19. The upload works but when I open the serial monitor nothing shows up (it’s just empty) and I can’t get any output (trying to type “$”).

I wrote a small programm to test the serial connection and it works just fine.

Do I have to change any settings within the grbl-Mega to make it work?

Can anyone help me with this issue?
Thanks.

#1 – fra589 于 2022-07-20

Hi @tekkzLK

The default communication speed of grbl-Mega is 115200 bps.
Do you configure Arduino serial monitor to this speed ?
The Arduino default serial monitor speed is 9600 bps.

@++;
Gauthier.

#2 – tekkzLK 于 2022-07-20

Hi @fra589,
thanks for the quick response.
Yes, the speed is set to 115200 bps.

原始Issue: https://github.com/gnea/grbl-Mega/issues/164

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