Aquarium Tank Air Pipe With /Check Valve For Oxygen Air Pipe

Welcome to my store, we have many kinds of price products, we launch new products every day, please follow my store and pay more attention, for more products, Please click on the seller information to enter our store to buy, we hope give you a pleasant shopping experience. Thank you and have a nice day!Description:The extension board can be used for carving machine, 3 d printer driver expansion boardA total of 4 way of stepping motor driver module slot, can not into the motor drive 4 road, and every step motor all the way only need two IO mouth, that is to say, 6 IO mouth can be very good management three motor, use rise very convenientBody Size : 68 x 53 x 18mm/2.7" x 2.1" x 0.7"(L*W*T)Material : Plastic, Electronic PartPackage Includes:1x Shield A4988 Driver Expansion Board(Non- )Note: When inserting the A4988 module, must be careful not to insert opposite. motor wiring as follows:
2A, 2B is a group (red, green), 1A, 1B is a group (blue, yellow), if want to change direction, can be change the position of one group , for example 2A, 2B mutually exchanged. Expansion Board; Expansion Board For ; Expansion Board 3D Printer;A4988; Shield

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