3pcs 4CH 4 Channel HG7881 Chip H-bridge DC 2.5-12V Stepper Motor Driver Module Controller PCB Board 4 Way 2 Phase

Features Motor drive module comes with its own four HG7881 chip Can drive 4 DC motors or two 4 wire 2 phase stepping motor Specifications Module supply voltage 2 5 12VSuitable for the motor range motor operating voltage 2 5V 12V0 8A maximum operating currentSize 49mm x 36mmColor Blue Interface Description 10P black curved pin instructions 1 A1 external MCU IO port2 A2 external MCU IO port3 B1 external MCU IO port4 B2 external MCU IO port5 C1 external MCU IO port6 C2 external MCU IO port7 D1 external MCU IO port8 D2 external MCU IO port9 external 2 5V 12V voltage10 External GND 8P PCB terminal block description 1 MOTORA is connected to DC motor with 2 pins no direction2 MOTORB is connected to DC motor with 2 pins no direction3 MOTORC connects DC motor with 2 pins no direction4 MOTORD connects DC motor with 2 pins no direction Instructions for Use Turn on VCC GND module power indicator is onA1 input high level A2 input low level MOTORA motor forwards A1 input low level A2 input high level MOTORA motor reversed B1 inputs high level B2 inputs low level MOTORB motor rotates forward B1 input low level B2 input high level MOTORB motor reverses C1 input high level C2 input low level MOTORC motor forwards C1 input low level C2 input high level MOTORC motor reversed D1 input high level D2 input low level MOTORD motor forward rotation D1 input low level D2 input high level MOTORD motor reverses Package Incldued 3 x HG7881 4 Channel DC