This article explains how to read and interpret the GY-85 datasheet PDF—or rather, the collection of datasheets required to use this module effectively.
| Pin Label | Function | Arduino Connection | | :--- | :--- | :--- | | | Power (3.3V or 5V tolerant – check board) | 3.3V or 5V | | GND | Ground | GND | | SCL | I2C Clock line | A5 (Uno) / 21 (Mega) | | SDA | I2C Data line | A4 (Uno) / 20 (Mega) | | XDA | Auxiliary I2C Data (for external magnetometer) | Not normally used | | XCL | Auxiliary I2C Clock | Not normally used | | AD0 | I2C Address select for ITG-3205 (Low=0x68, High=0x69) | GND or 3.3V | | INT | Interrupt pin (All three sensors share this line) | Digital Pin 2 | gy-85 datasheet pdf
Measures magnetic fields to act as a digital compass. I2C Address: 0x1E Datasheet: HMC5883L PDF (Honeywell) 2. Key Specifications This article explains how to read and interpret
The GY-85 sensor is widely used in various industries, including: Key Specifications The GY-85 sensor is widely used
The GY-85 is not a single chip but a module containing three primary sensors that communicate over a single I2C bus. Circuitrocks Sensor Type Chip Model Key Specifications I2C Address Accelerometer 3-axis, 10-13 bit resolution, selectable range up to plus or minus 16 g 3-axis, 16-bit ADCs per axis, range up to Magnetometer 3-axis, 12-bit ADC, heading accuracy of 1 raised to the composed with power 2 raised to the composed with power General Module Features