Apparently, this was a feature in standard Grbl, but I didn't find any interrupt code in grbl-Mega-5X. grbl-Mega-5X does come with a solution for this, ramps_hard_limit (), which doesn't use ...

Grbl is a no-compromise, high performance, low cost alternative to parallel-port-based motion control for CNC milling. This version of Grbl runs on an Arduino Mega2560 only. The controller is written ...

grbl基板をamazonで購入。 そのままではいろいろ問題あり。購入してわかった。だから安いのか。。 HPでいろいろ調べて、パターンカットとジャンパで修正。 Arduinonanoを実装して動作した。