BLSmax BLHeli 30A Brushless ESC with Oneshot
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Prices updated: 13 Oct 2026
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About this product
BLSmax BLHeli-series 30A electronic speed controller (ESC) for brushless motors, with Oneshot protocol support. It is used in multirotor drones and RC aircraft to regulate the speed of a brushless motor based on a signal from a flight controller or receiver.
Specifications
- Rated current
- 30A
- Firmware series
- BLHeli
- Control protocol
- Oneshot
- Motor type
- Brushless
Frequently asked questions
How do I reverse the motor direction?
Swap any two of the three motor wires. The three ESC outputs connect to the three motor phases in any order, so you can reverse direction by swapping two of them.
Can I drive this ESC from an Arduino?
The ESC expects the Oneshot control protocol, which differs from the standard servo PWM used by the Arduino Servo library. Confirm that your controller outputs the matching protocol before wiring it, as this ESC is designed for flight controllers and receivers.
