Description
Product Overview
The GY-86 10DOF Flight Control Sensor Module is a powerful, all‑in‑one motion‑tracking board that integrates four high‑performance MEMS sensors into a single compact package. Combining a 3‑axis gyroscope, 3‑axis accelerometer, 3‑axis magnetometer, and a high‑resolution barometer, this module provides a complete 10‑degree‑of‑freedom (10DOF) sensing solution for advanced motion and orientation applications .
Built around the popular MPU6050 (which integrates both gyroscope and accelerometer), the HMC5883L magnetometer, and the MS5611 barometer, the GY-86 is widely used in drones (UAVs), quadcopters, robotics, head‑tracking systems, and inertial navigation. It is also the sensor core for many MWC (MultiWii Copter) flight controllers, making it a favorite among drone enthusiasts and professional developers alike .
All sensors communicate via a shared I2C bus, requiring only two data lines (SDA and SCL) to connect to your microcontroller. The module operates on 3V to 5V power and includes onboard logic‑level conversion (LLC), making it directly compatible with both 3.3V and 5V systems such as Arduino, ESP32, ESP8266, Raspberry Pi, and STM32 .
Key Features
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10‑Degree‑of‑Freedom (10DOF) Sensing: Combines 3‑axis gyroscope (angular velocity), 3‑axis accelerometer (linear acceleration/gravity), 3‑axis magnetometer (magnetic heading), and 1‑axis barometric pressure (altitude) .
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MPU6050 Integrated Gyroscope + Accelerometer: Digital motion processor (DMP) capable of processing complex motion algorithms onboard. User‑programmable gyroscope ranges: ±250, ±500, ±1000, ±2000°/s. Accelerometer ranges: ±2g, ±4g, ±8g, ±16g .
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HMC5883L 3‑Axis Magnetometer: 12‑bit ADC with ±8 Gauss range, 1°–2° heading accuracy, and integrated degaussing straps for resetting the sensor .
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MS5611 High‑Resolution Barometer: 24‑bit ΔΣ ADC with factory‑calibrated coefficients. Pressure range: 10 to 1200 mbar, altitude resolution down to 10 cm (0.1 meters) .
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Single I2C Interface: All sensors share the same I2C bus – only 2 pins (SDA, SCL) are needed to communicate with all four sensors .
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Wide Voltage Compatibility: Operates on 3V – 5V DC with onboard LLC circuit, compatible with both 3.3V and 5V microcontrollers .
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Compact & Lightweight: Dimensions of approximately 22mm × 17mm and very light weight, ideal for drones and portable devices .
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Immersion Gold PCB: High‑quality PCB with gold‑plated pads for improved solderability and corrosion resistance .
Technical Specifications
| Parameter | Operating Value |
|---|---|
| Operating Voltage | 3V – 5V DC |
| Communication Protocol | I2C (up to 400 kHz) |
| Board Dimensions | Approx. 22mm × 17mm × 2mm |
| Weight | Approx. 30g |
| Operating Temperature | -40°C to +85°C |
| Gyroscope/Accelerometer Chip | MPU6050 (integrated) |
| Gyroscope Ranges | ±250, ±500, ±1000, ±2000 °/s |
| Accelerometer Ranges | ±2g, ±4g, ±8g, ±16g |
| Magnetometer Chip | HMC5883L |
| Magnetometer Range | ±8 Gauss |
| Heading Accuracy | 1° – 2° |
| Barometer Chip | MS5611 |
| Pressure Range | 10 – 1200 mbar |
| Altitude Resolution | 10 cm (0.1 m) |
| I2C Addresses | MPU6050: 0x68, HMC5883L: 0x1E, MS5611: 0x77 |

















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