Ultra-silent MakerBot TMC2100 V1.0 Stepper Motor Driver Module With Heatsink For 3D Printer

Descriptions: 1. High quality and Ultra-quiet. 2. The working temperature is high. Without fan, the high working temperature may cause losing step. Recommend to do a good job of cooling, the best work current is 0.5A. 3. Please DO NOT connect the motors when measuring the voltage, or it's easy to burn the drive. 4. Please connect the power supply when measuring voltage as well, do not connect only the USB power. 5. Please pay special attention to the direction, do not insert wrongly... Use of the TMC2100 v1.0 for makerbot driver module 6. TMC class chip fever easily, so please must attach heat sink,the heat sink directly attached to the PCB. Package Included: 1x TMC2100 v1.0 for makerbot 1x Heatsink 1x Screwdriver