Post : Open source brushless motor controller
URL : http://hackaday.com/2012/09/04/open-source-brushless-motor-controller/
Posted : September 4, 2012 at 10:01 am
Author : Brian Benchoff
Tags : brushless motor, esc, motor controller
Categories : hardware

http://hackadaycom.files.wordpress.com/2012/09/motor.jpg

It's been a long time coming, but efforts to create Open Source brushless motor controller are finally paying off (http://www.esden.net/blog/2010/09/19/open-bldc-v0-3-hardware-based-closed-loop-control/) .

The Open-BLDC project (http://open-bldc.org/wiki/Open-BLDC) aims to create an open source motor controller for the brushless motors usually found in remote control airplanes, helicopters, and quadcopters. Normally, these motor controllers - usually called electronic speed controllers - can't supply more than a few dozen amps, and are usually only controllable via a servo signal.

The Open-BLDC goes far beyond the capabilities of off-the-shelf ESCs with up to 200 amps of output, TTL level serial input, and the ability to use regenerative breaking.

While the Open-BLDC project is far from complete, the team working on the hardware hopes to add I2C, CAN, and PPM interfaces, along with speed and torque control.

There is no word on when, or even if, the Open-BLDC will ever be available for sale, but with the features it has it would be welcomed by just about any builder constructing a gigantic RC vehicle.

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