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Q & A
Yes they are hot. I got a piece of aluminum and a thermal sticky on both side material and used the mounting holes to put pressure on the board against the metal. I still wouldn't run it at the full load. It also depends on you voltage your running.
By Kevin Q. on November 29, 2017
The 5 control pins are the arduino pins; you can control them using the pwm and digitalout functions in arduino. However, this controller is of a bad quality and is very difficult to connect your wires to.
By Rianna on September 19, 2017