BLHeli for brushless ESC firmware
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BLHeli_32 ARM
BLHeli_S SiLabs
Vendor specific versions

This tree contains the BLHeli assembly code for sensorless brushless motor electronic speed control (ESC) boards. It was initially designed for use with Eflite mCP X, but is well suited for other copters/planes.

There is one version of the software for Silabs MCU based ESCs, and another for Atmel MCU based ESCs. Both versions are now at the same revision.

To view and use the files, click the "Download ZIP" button on this page and download the repository to your computer.

For flashing and configuration, download the BLHeliSuite PC software:

For more information, check out these threads: (for SiLabs MCU based ESCs)

April 2012, Steffen Skaug