[neuromancer2701] created his own brushless motor controller on an Arduino shield. [neuromancer2701]’s shield is a sensorless design, which means it uses the back-EMF of the motor for feedback ...
Brushless DC (BLDC) Motor operates with a controller via electronic communication ... 12 Microchip Technology MTD6505T-E/NA Sinusoidal Sensorless 3-Phase Brushless DC Fan Motor Driver 13 NJR ...
A brushless motor requires a motor controller, and for most of us, this means cheap Electronic Speed Controllers (ESC) from a warehouse in China. [Ben] had a better idea: build his own ESC.