Open Source Hardware -- BeagleBone

[1] https://github.com/millerap/AM335x_PRU_BeagleBone
[2] http://elinux.org/ECE497_BeagleBone_PRU
[3] http://boxysean.com/blog/2012/08/12/first-steps-with-the-beaglebone-pru/
[4] http://mythopoeic.org/bbb-pru-minimal/


PRU in BeagleBone
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Example of blinking LED via PWM through GPIO pin. It's using PRU to achieve this. [2] -> [3]

[4] mentioned in pru/README.