just open multiwii.ino using the Arduino IDE Adjust the Config.h parameters according to your drone type and sensors compile and build into your selected arduino board from Tool menu.
Note : some changes updated on this additional sensors implementation and Wish list looking for contributors
/*************************** independent sensors ********************************/
// WishList for contribution //
QMC6310
RM3100
ICM-20948
QMA6981
LSM6DS33
LIS3MDL
BME280
MMC3416
LSM303
BMM150
//Implemented sensors as of 2020//
AK8963
BMP280
QMC5883
/* I2C gyroscope */
//#define WMP
//#define ITG3050
//#define ITG3200
//#define MPU3050
//#define L3G4200D
//#define MPU6050 //combo + ACC (Possible support for MPU9250)
//#define LSM330 //combo + ACC
/* I2C accelerometer */
//#define MMA7455
//#define ADXL345
//#define BMA020
//#define BMA180
//#define BMA280
//#define LIS3LV02
//#define LSM303DLx_ACC
//#define MMA8451Q
/* I2C barometer */
//#define BMP085
//#define BMP280
//#define MS561101BA
/* I2C magnetometer */
//#define HMC5843
//#define HMC5883
//#define QMC5883
//#define AK8975
//#define AK8963
//#define MAG3110
//#define MMC5883