Arduino OKY3259-1 GY-BMP280

Introduction

GY-91 or OKY3259-1 includes BMP280 and MPU-9250 chips.

Accelerometer, gyroscope, magnetic field, pressure, (temp?) Includes Bosch BMP280 sensor for pressure and temperature and MPU-9250 for inertia.

• https://www.okystar.com/product-item/gy-91-mpu-9250-bmp280-10dof-gyro-compass-9-axis-acceleration-sensor-module-oky3259-3/
• https://www.tme.eu/en/details/oky3259-3/position-sensors/okystar/
• https://www.tme.eu/Document/b956c2c642c186553e2bc647710b8dcc/ACCELEROMETER.txt https://www.youtube.com/watch?v=To7JagpPDwY
• https://invensense.tdk.com/wp-content/uploads/2015/02/PS-MPU-9250A-01-v1.1.pdf

Theory

https://electropeak.com/learn/interfacing-gy-91-9-axis-mpu9250-bmp280-module-with-arduino/

Connection

• VIN
• 3V3
• GND
• SCL
• SDA
• SDC/ SAO
• NCS
• CSB

Arduino Libraries

Install

• https://github.com/adafruit/Adafruit_BMP280_Library
• https://github.com/asukiaaa/MPU9250_asukiaaa