ESC speed control

Opensource ESC

 * http://autoquad.org

SimonK pre-flashed
http://diydrones.com/profiles/blogs/hobbyking-introduces-simonk-timecop-designed-afroesc

http://eastbay-rc.blogspot.com/2013/07/afro-esc-simonktimecophobbyking.html

http://www.hobbyking.com/hobbyking/store/__39708__Afro_ESC_30Amp_Multi_rotor_Motor_Speed_Controller_SimonK_Firmware_.html

filter
Remove the low pass filter on the ESC, allowing higher P(proportional) control values, which stabilizes the quad in wind gusts.
 * http://www.diydrones.com/profiles/blogs/zippy-ac2-with-low-pass-filter-removed-from-escs
 * https://github.com/sim-/tgy
 * http://www.rcgroups.com/forums/showthread.php?t=1513678 ESC firmware flashing
 * http://diydrones.com/profiles/blogs/autoquad-esc32-v1r5
 * http://diydrones.com/forum/topics/flashing-3dr-escs-or-rc-timer-escs-with-much-better-firmware?commentId=705844%3AComment%3A853374

http://code.google.com/p/autoquad/wiki/esc_common Standard ESC not meant for quad control but for aircraft.

http://wiki.openpilot.org/display/Doc/Flashing+Instructions

http://www.rcgroups.com/forums/showthread.php?t=1513678

Mikrokopter
see mikrokopter BLCD

bldc
https://open-bldc.org/wiki/Open-BLDC

http://www.diydrones.com/profiles/blogs/open-source-esc-is-there-a-potential-community

http://www.diydrones.com/profiles/blogs/open-source-esc-is-there-a-potential-community

esc2
http://autoquad.org/esc32/

http://forums.openpilot.org/forum/24-esc-development/

rc hacking
RC HACKING

http://www.rchacker.com/diy/simonk-esc-firmware-flashing

Links
http://www.rcgroups.com/forums/showthread.php?t=157193  links to links on brushless gimbal etc.