42 Stepper Motor Driver Expansion Module Board For A4988 DRV8825 3D PrinterFeature:On-board DIP switch、 you can easily adjust the drive segmentTerminal power connector for easy connection drive powerCompatible with 12 \/ 24V drive schemeSuitable for 42 stepper motor drive、 3D printers and DIYSpecification:Size: 42 x 42 x 15mmFixed: 3mmPitch: 1400 x 1400mil (35.56 x 35.56mm)Logic voltage: 5VInput voltage: 12-30VPorts: DigitalInterface: Direction、 enable、 speedApplicable module: A4988、 DRV8825Note: Please note the direction when installing the drive module、 otherwise it will burn modulePackage includes:1 x 42 Stepper Motor Drive Expansion Board