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HG7881 (L9110S) H-bridge/motor driver with two channels
HG7881 (L9110S) H-bridge/motor driver with two channels
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Preview: HG7881 (L9110S) H-bridge/motor driver with two channels Preview: HG7881 (L9110S) H-bridge/motor driver with two channels
   

HG7881 (L9110S) H-bridge/motor driver with two channels

Quantity Unit price
to 2 €2.27 *
from 3 €1.93 *
from 5 €1.82 *
from 10 €1.70 *
from 25 €1.59 *
Content: 1 Piece

incl. VAT plus shipping costs

Available immediately, delivery time 2 to 4 working days

  • Item no: F23106795
  • Weight: 0,01 kg
  • Packing dimensions: 2.9 cm x 2.3 cm x 1.1 cm (L x W x H)
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Description Reviews 0
Description
Overview: Power supply 2.5 to 12V up to 800mA current possible per channel compact... more
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Overview:

  • Power supply 2.5 to 12V
  • up to 800mA current possible per channel
  • compact board, with which very small robots can be controlled
  • the motors are attached to the screw terminals
This tiny module has two independent motor driver chips HG7881 (L9110S), each capable of driving 800mA continuous current. The chips can operate from 2.5 V to 12 V, so this module can be used with both 3.3 V and 5 V microcontrollers.
A pulse width modulation (PWM) signal is used to control the speed of a motor, and a digital pin is used to change its direction. This module can also be used to drive a single two-phase stepper motor with four leads. Four holes in the PCB make it easy to mount this board to your robot or other project.

We recommend applying a PWM signal to input IA to control the motor speed and a digital output to input IB to control the direction of rotation.
Note that the actual direction in which your motor will rotate "forward" and "backward" depends on how it is oriented and wired. If your motor is rotating incorrectly, either replace the motor wires connected to the output terminals or change the way the IA and IB bits are set in your program.
It is important to note that the HG7881 (L9110) dual channel motor driver module is very simple. The voltage used to drive the chip is the same voltage used to drive the motors. There is no separate voltage supply for the motors. This means that if you are using a 5 V chip, you should use 5 V motors.
Choose a more powerful motor driver if more power is needed.

Pinout:

  • B-IA = Motor B Input A (IA)
  • B-IB = Motor B input B (IB)
  • GND = Ground
  • VCC = operating voltage 2.5-12V
  • A-IA = Motor A input A (IA)
  • A-IB = Motor A Input B (IB)
Motor state in dependence of a HIGH / LOW control
  • L/L = off
  • H/L = direction 1
  • L/H = direction 2
  • H/H = off

Scope of delivery:

  • 1x HG7881 (L9110S) H-bridge with two channels
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