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ESP-FC

  • Software
  • Drones and boats
  • Firmware

Open-source flight controller firmware for DIY multirotor drones, running on ESP32 and ESP32-S3 boards. It is built for hobbyists seeking a low-cost, high-performance controller.

Source on GitHub: github.com/rtlopez/esp-fc (opens in a new tab). Facts read at commit 07cb360 (opens in a new tab).

Licenses

Code
MIT (opens in a new tab)

Read by Robotheca from LICENSE (opens in a new tab) (MIT) at commit 07cb360 (opens in a new tab), on 16 Oct 2026.

Commercial use
Yes

What it does

  • Runs on ESP32 and ESP32-S3 boards, with several other chips listed as experimental or obsolete.
  • Supports many ESC protocols, including PWM, Oneshot, Multishot, Brushed and bidirectional Dshot.
  • Accepts PPM, SBUS, IBUS and CRSF receivers, plus a built-in ESP-NOW receiver and WiFi configuration.
  • Reads SPI and I2C gyro sensors such as MPU6050, MPU9250, ICM20602, ICM42688 and BMI160, reaching up to 4kHz loop rate with SPI gyro.
  • Provides ACRO, ANGLE and AIRMODE flight modes, gyro filters, failsafe, blackbox logging and in-flight PID tuning.
  • Mimics Betaflight 4.2 so it can be configured with the Betaflight Configurator, though it is not identical to Betaflight.

Written by Robotheca from the project's README (opens in a new tab) at commit 07cb360.

Getting started

Difficulty
Intermediate
Hardware it needs, as the project states it
ESP32 or ESP32-S3 board, an MPU9250 SPI or MPU6050 I2C gyro, and a PDB with 5V BEC; a buzzer and electronic components are optional.

Maintenance

Status
Active: a commit in the last 90 days
Newest commit
13 Oct 2026 on master
Latest release
v0.2.1 (4 Feb 2025)

Checked on GitHub on 16 Oct 2026.

Links

Robots that can run it

No robot on Robotheca is linked to it yet. Links come from a robot's robot.yaml, from its dependency files read as text, or from Robotheca's editors.

Robotheca lists software as a reference: nothing is hosted or run here, and every fact links to where it was read.