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DAGU Rover5 tank motor driver board ROHS

DAGU Rover5 tank motor driver board ROHS
  • Stock: In Stock
  • Model: RS011MC
  • Weight: 0.20kg
  • SKU: piece

This compact PCB is just 95mm x 70mm (3.75inch x 2.75inch) and is a perfect companion for the Spider robot controller.

These outputs are suitable for interrupt generation and high resolution speed control.

The mixing circuit takes the 8 inputs of the 4 quadrature encoders and generates 4 outputs. 

As it is specifically designed for the Rover 5 chassis the PCB includes a quadrature encoder mixing circuit.Built in control logic allows each motor to be controlled by 2 pins.

One pin for speed and one for direction.Low resistance FET "H" bridges ensure high efficiency and good motor torque.

Each channel is rated for 4.5A of stall current and each channel has it's own current monitoring circuit.

Features include:

· 4x low resistance FET “H” bridges.

· Each channel rated for 4A stall current.

· Easy to use control logic.

· Current monitoring for each channel.

· Quadrature encoder mixing circuitry.


Power connectors:

The PCB has two power connectors. One is +5V for logic (Vcc) and one for the motor

power supply. The motor power supply should not be connected without first

connecting the +5V for logic. This device is rated for a maximum motor supply voltage

of 12V. Exceeding this voltage may permanently damage the device.

The encoder mixing circuit:

Unlike most motor controllers this PCB includes 4 mixing circuits for use with up to 4

quadrature encoders. The mixing circuit takes the 2 inputs from a quadrature encoder

and mixes them into a single output. Note that the interrupt output changes state when

either input changes.

This allows a single interrupt pin to monitor both inputs of a quadrature encoder.

Because the interrupt output is twice the frequency of either input it also allows speed

and distance to be measured with twice the resolution.

Current output:

Each channel has a current sensing circuit. The output of this circuit is approximately

1V for each amp the motor draws (5V maximum). This output can be connected

directly to the analog input of any 5V micro controller.

Control logic:

The built in control logic allows each motor to be controlled by 2 pins. Driving the

direction pin high or low will cause the motor to run forward or reverse. The PWM pin

is used to control the motor speed. When this pin is low, the motor is off. When this pin

is high the motor is at full power. To vary the speed of the motor this pin must be Pulse

Width Modulated.

Motor output:

Each channel has a motor output socket. Connect any 4.5V –12V DC motor with a stall

current of less than 4.5A to these pins. Exceeding 4.5A on these pins may permanently

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