HG7881 HG7881CP két út motoros modul 2 csatornás egyenáramú léptetőmotor meghajtó laphoz H Bridge
HG7881 HG7881CP Two Road Motor Driven Module For 2 Channel DC Stepper Motor Driver Board H Bridge
A module description
1 pair HG7881 chip motor drive
2Power ModulesVoltage : 2.5-12V
3 for motor Range: between the motor operating voltage 2.5v-12V, maximum operating current 0.8A, the current smart car voltage and current market are within this range
4Can simultaneously drive two DC motors ,OrA 4-wire two -phase stepper motor.
5PCB board size : 2.8cm * 2.1cmUltra-small size , suitable for assembly
6 is provided with a fixed mounting hole , diameter : 3mm
Two module interface specification
[ 6P black curved pin description]
1 VCC External2.5V-12V voltage
2 GND GND External
3IA1 External microcontrollerIO port
4IB1 External microcontrollerIO port
5 IA2External microcontrollerIO port
6 IB2External microcontrollerIO port
[ 4P green terminal description]
1 OA1 OB1 DC 2 -pin connection , without direction
2 OA2 OB2 DC 2 -pin connection , without direction
Three ModulesInstructions
Switched VCC, GND module power indicator light
IA1Input high ,IA1Input low , [OA1 OB1 ]Motor is transferred ;
IA1Input low ,IA1Input high , [OA1 OB1 ]Motor reverse ;
IA2Input high ,IA2Input low , [OA2 OB2 ]Motor is transferred ;
IA2Input low ,IA2Input high , [OA2 OB2 ]Motor reverse ;
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