Brand new and high quality:
This expansion board as a driver expansion board, can be used for engraving machines, 3D printers. (note that this board does not include A4988 stepper motor driver module) It is a total of four slots, can drive four A4988 stepper motor. Each road stepper motors only need two IO ports.
This is a 16×2 LCD and Keypad shield for Arduino Uno, Diecimila, Duemilanove and Freeduino boards.
UNO R3 Arduino Compatible Board
ATmega328-AU microcontroller with UNO Bootloader Installed.
USB Programming Facilitated by the CH340G.
USB-B Connector and cable included.
Header Pins Included.