HG7881 4-Channel DC Motor Driver Controller Board

This HG7881 4-Channel dc motor driver module comes with its own four L9110S chip.

Features:

• Suitable Motor range: between motor operating voltage 2.5v-12V, the maximum operating current of 0.8A.
• Perfect for driving DIY smart car robot motor.
• You can drive 4 DC motors or two 4-wire 2-phase stepping motor.

Specifications:

• Model: HG7881.
• Module supply voltage: DC 2.5-12V.
• Compatible Motor: DC motor or stepper motor(working voltage 2.5-12V maximum current 0.8A).
• Size:50*36*14.4mm(L*W*H).
• Weight: 13.2g.

Module Interface Description:

A1: external microcontroller IO port;
A2: external microcontroller IO port;
B1: external microcontroller IO port;
B2: external microcontroller IO port;
C1: external microcontroller IO port;
C2: external microcontroller IO port;
D1: external microcontroller IO port;
D2: external microcontroller IO port;
+: External voltage 2.5V-12V;
-: External GND.

1, MOTORA pick DC 2-pin, non-directional;
2, MOTORB pick DC 2-pin, non-directional;
3, MOTORC pick DC 2-pin, non-directional;
4, MOTORD pick DC 2-pin, non-directional.

Module Description:
ON VCC, GND module power indicator light
A1 High input,A2 input low, MOTORA motor is transferred;
A1 Low input, A2 input high, MOTORA motor reversal;
B1 High input,B2 input low, MOTORB motor is transferred;
B1 Low input, B2 input high, MOTORB motor reversal;
C1 High input,C2 input low, MOTORC motor is transferred;
C1 Low input, C2 input high, MOTORC motor reversal;
D1 High input,D2 input low, MOTORD motor is transferred;
D1 Low input, D2 high input, MOTORD motor reversal;