12 Channel Servo PRO Controller IC - We have programmed a microcontroller to act as a slave servo controller which can individually generate 12 pwm output channels suitable for driving servos (or speed controllers which use servo signals). Data is easily sent to this slave device via the I2C protocol.

Many microcontroller projects involve the use of external servos for mechanical control, robotics and in continuous rotation mode for driving wheels. Servos typically require the use of one of the pulse width modulation (PWM) channels in the microcontroller. But microcontrollers usually have only a handful of PWM outputs, and sometimes this is not enough for the project in hand.

This is a great value option for controlling up to 12 servos. Easy to use on a breadboard or integrated into your own PCB design.

This is the Pro version of our Servo Controller. It has added features and a different pinout. The standard version can be found here

For each output channel a pulse of duration between 1ms (0.6ms extended) and 2ms (2.4ms extended) is generated at 20ms intervals (50Hz)

No additional components are required as it has its own built in oscillator clock circuit.

Example code (Arduino) for controlling the ServoPro Controller is included in the datasheet

Datasheet clarification: The device has a default slave address of 40. This is a decimal value and not hexadecimal

Main Features (See datasheet for details)

  • 12 Servo output channels (SERVO0 through SERVO11)
  • I2C interface
  • Configurable Slave Address allows up to 4 units to be added to your project
  • Accurate Servo Pulse Width generation
  • 5V or 3.3V operation.
  • Configurable standard or extended modes (1ms/2ms or 0.6ms/2.4ms)
  • Programmable Servo Speed (0 to 25 seconds for 180 degree travel)
  • PWM frequency rates of 50, 66, 80,100, 133, 200 and 400Hz
  • Servo Position Query
  • Output can be turned ON or OFF

Pinout

Slave servo controller pinout

Documents relating to the 12 Channel ServoPRO Controller IC

12 Channel ServoPRO Controller IC Datasheet
Hi-Tech C I2C Master Controlling Servo*Pro

 

We have a brief video which shows some of the basic modes of the ServoPro chip

{{VIDEO:http://www.youtube.com/v/Uk49DEG78PM}}

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12 Channel Servo*PRO Controller IC

  • Manufacturer: HobbyTronics
  • Product Code: SERVOPRO
  • Availability:  71
  • £4.79

  • Ex Tax: £3.99

HobbyTronics

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