https://www.arduino.cc/en/Tutorial/SecretsOfArduinoPWM
http://www.righto.com/2009/07/secrets-of-arduino-pwm.html
http://www.shaduzlabs.com/blog/8/arduinosc-first-release.html
http://r6500.blogspot.de/2014/12/fast-pwm-on-arduino-leonardo.html
http://forum.arduino.cc/index.php?topic=117425.90
https://code.google.com/archive/p/arduino-pwm-frequency-library/downloads
https://www.youtube.com/watch?v=QYQE_za8KQQ
http://www.modularcircuits.com/blog/articles/h-bridge-secrets/lock-anti-phase-drive/
David Pilling's Wiki
Set view
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