AM32-MultiRotor-ESC-FW
Open-source firmware for STM32 ARM-based brushless motor speed controllers (ESCs) supporting DSHOT, telemetry, and multiple vehicle types.
What is AM32-MultiRotor-ESC-FW?
AM32 is an open-source firmware for STM32 ARM-based electronic speed controllers (ESCs) that manage brushless motors in RC vehicles like drones and crawlers. It provides precise motor control with features like DSHOT protocol support, telemetry, and smooth startups. The firmware is designed to be safe, fast, and compatible with various hardware and vehicle types.
RC vehicle enthusiasts, drone builders, and hardware developers working with brushless motor control systems who need customizable and high-performance ESC firmware.
Developers choose AM32 for its open-source flexibility, support for multiple motor protocols and telemetry, and smooth performance across diverse applications, from multirotors to crawlers, without vendor lock-in.
Overview
AM32 is an open-source firmware designed for STM32 ARM processors to control brushless motors (BLDC) in electronic speed controllers (ESCs). It provides safe, fast, and smooth motor control with linear throttle response, suitable for multirotor drones, crawlers, and other RC vehicles when paired with a flight controller.
Key Features
- Firmware Upgradability — Supports updates via Betaflight passthrough, single-wire serial, or Arduino.
- Motor Protocol Support — Compatible with Servo PWM, DSHOT (300, 600), and bi-directional DSHOT.
- Telemetry — Implements KISS standard ESC telemetry for real-time data feedback.
- Variable PWM Frequency — Adjustable pulse-width modulation frequency for optimized motor control.
- Sinusoidal Startup Mode — Designed to smoothly start larger motors and reduce cogging.
Philosophy
AM32 emphasizes safety, performance, and versatility, aiming to deliver reliable and efficient motor control across diverse hardware platforms and vehicle applications.
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