Note the number of the COM port associated with the Silicon Labs CP210x driver installed just before and check that Lightburn is using the same COM port: Go to your computer’s device manager (Windows key + R and enter devmgmt.msc) If that still doesn’t work, it is possible that you have multiple devices on your PC that use the COM ports. You should then download and install the right version by going here :Īnd choosing the CP210x Windows Drivers with Serial Enumerator version It is also possible that the USB driver is not compatible with your ESP32. That your USB cable is a data cable and not only and charging cable and that its length is below 80cm.That the DTR control is activated (Edit/Device Settings).That the USB connection speed is correct (Edit/Device Settings): it should be on 115200 bauds.If so, your computer and laser cutter connected as intended. You should see indications similar to the one below on the console: This will restart the USB/Serial connection between Lightburn and the ESP32. Now right click on the “Devices” button in the right column. Then, under Lightburn, click on the “Console” tab in the right column. We will start by testing the connection of the ESP32 to your PC without installing the shield in the K40.Ĭonnect the USB cable from your PC to your ESP32 Please start by installing Lightburn following my instructionsĬonnecting the K40 FluidNC Shield to your computer
The use and implementation are very similar to the previous version Full control of the laser via Lightburn or other software using the GCODE.Control of your machine through Wifi including Lightburn direct control over Wifi.Only 1 dry contact relay instead of 2 before (the 2nd one was not used by my customers).Possibility to have an external driver fro one motor (if you need to use a NEMA23 for the Z axis for example).4 axes (to be able to manage a machine with two motors on one axis like XYYZ machines for example – 1 motor for X axis, 2 motors for Y axis and 1 motor for Z axis).I have decided to move to FluidNC which is the successor of ESP32 GRBL which is not maintained anymore.įor this occasion, I have designed a brand new K40 FluidNC Shield which is offering much more features This post is only applicable for Shield version v7.xx Brand new K40 FluidNC shield – Compatible with Lightburn
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