Introduction - If you have any usage issues, please Google them yourself
Contents: 1, the program used to test 4 phase stepping motor conventional drive 2, need to use jump cap or dupont line the signal output end and the corresponding stepping motor signal input end connection up 3, speed can not adjust the too fast, otherwise there is no moment turned the connection methods: motor input P9 A B C D were received P10 P11 P12 P13 motor received P10 red line in the VCC position on the P9 JD is relay signal input, empty, need not meet, do relay experiment can be grafted in.