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Serial Controlled Motor Driver - SparkFun ROB-13911

Index: SPF-07910 EAN: 5904422310813

SparkFun module with two channel DC motor controller. Emulates a register based device. It can be controlled via UART, I2C or SPI. It is powered from 3 V to 11 V. The continuous current per channel is 1.2 A.

Serial Controlled Motor Driver - SparkFun ROB-13911
€16.90
€13.74 tax excl.
Unavailable
Discontinued product
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Manufacturer: SparkFun
Compatibility: Arduino Raspberry Pi

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The product has been discontinued. Check other products in category.

Product description: SCMD - 11V/1,5A dual channel motor driver - UART/I2C/SPI - SparkFun ROB-13911

SparkFun module with two channel DC motor driver. Emulates a register based device. It can be controlled via UART, I2C or SPI. It is powered from 3 V to 11 V. The continuous current per channel is 1.2 A.

SparkFun SCMD - dwukanałowy sterownik silników

Its main advantage is the variety of control levels and the possibility of precise control. The logic works with 3.3 V, so a voltage converter is required to work with Arduino. Exceptions are modules working with 3.3V voltage, like Arduino Pro Mini 328 - 3.3V/8MHz.

Motor driver specification

  • Power supply for motors (VMOT): from 3V to 11V
  • Power supply for logic (VCC): from 3.3V
  • Maximum output current: 1.5A per channel
  • Continuous output current: 1.2 A per channel
  • 127 control levels
  • Controlled via UAR, I2C, or SPI signals
  • Motor rotation direction can be changed
  • Possibility to connect up to 16 controllers via I2C
  • Several possible I2C addresses
  • Default UART baud: 9600 b/s
  • Optional diagnostics
  • Configurable expansion bus frequency: 50 / 100 / 400 kHz
  • Configurable update frequency of the extension bus: from 1 ms to 255 ms or by command


Product compatible with Arduino

Manufacturer prepared user guide with program for Arduino users.

Pins of the module

The chip has numerous interfaces, a brief description of available functions can be found in the table below the figure. Detailed information can be found in user guide.

Group Name Type Description UART I2C SPI

User

Port

RX,SCL,MOSI I Serial port Data In (RX) SCL MOSI
TX,SDA,MISO IO Serial port Data Out (TX) SDA MISO
GND - GND GND GND GND
NC,SCL I SPI clock NC NC SCL
NC,CS I SPI chip select NC NC CS

Expansion

Port

GND - GND I2C Slave ground
SDA IO I2C Data line I2C Slave SCL
SCL I I2C Clock line I2C Slave SDA
In I Configurable input
Out O Configurable output

Motor

Port

A1 O Connection of motor A no. 1 Motor A
A2 O Connecting motor A no. 2 Motor A
B1 O Connecting motor B No. 1 Motor B
B2 O Connecting motor B 2 Motor B
Power GND I System ground Power supply ground
MAX 11V I Supply voltage of the motors Power supply +
VCC IO Regulator output NC

Voltage to 3.0 V
Voltage from 11.0 V
Current 1.2 A
Channels 2
Package width 2 cm
Package height 3.8 cm
Package depth 0.1 cm
Package weight 0.004 kg

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