Button Board with Chamber Temperature Sensor is a circuit board installed in the upper right-hand corner of the X1 printer to control the emergency stop button and the sleep (screen off) button. It also contains the chamber's temperature sensor. Compatibility X1 Series Exclusive Installation Learn more about the replacement of the Button Board with Chamber Temperature Sensor on Bambu Lab Wiki. Includes 1x Button board with chamber temperature sensor Browse more Brows eall Bambu Lab A1 Mini Printer spare parts & Accessories Browse all Bambu Lab AMS Lite Browse all Bambu Lab A1 Mini 3D Printer, Spare Parts & Accessories Browse all Bambu Lab Filament Browse all Bambu Lab X1 3D Printer, Spare Parts & Accessories Browse all Bambu Lab P1P/P1PS 3D Printer, Spare Parts & Accessories Browse all Bambu AMS Spare Parts & Accessories Browse all Bambu Labs Browse all Printer Spare Parts