Ruida-Emulation (Middleman between Lightburn and K40). An absent driver means that either the cable/plug/MG board is not working/defective, or you need to install the windows driver (for Window versions before 10). GitHub - meerk40t/meerk40t: Hackable Laser software for the K40 Stock-LIHUIYU laser boards. An exclamation mark indicates that the driver is not working properly. To identify if the driver is not working properly, check Windows device manager (search for “Device Manager”, right click and open/run it) and look under COM & LPT ports, you should see VCP ST microelectronics icon (MG plugged in, Power on). Missing Windows Driver: Win10 does not require a virtual com port driver however earlier versions of Windows do need a driver. USB plug is not making proper contact with socket – check for looseness. The USB cable is power only, it needs to be a USB data cable. Plug Mini Gerbil and other USB devices into PC directly, not via a common hub. So how much other stuff around the bed do you see in the camera view The camera should mostly see the bed with just a little extra around the edges. Digital-Impressions: It is 290mm above the bed. Mini Gerbil is used with a USB hub, especially one shared with other peripherals like a USB camera. On a typical 300 x 200 mm K40 laser using the 140 degree lens, divide 300 by 1.8, giving 167 mm above the bed, minimum, to see the whole thing. Incorrect Device selected in Lightburn – select ‘Gerbil STM’ Mini Gerbil is not compatible with K40 Whisperer Wrong software – Mini Gerbil works with Lightburn, and some other software is possible (but unsupported). Power LED shines, but inconsistent or no connection to PC software Likely causes and their solutions (in recommended sequence) Return to Mini Gerbil debugging Symptom Detail Mini Gerbil debugging – no communication with PC software

Lightburn camera k40