感測器模組資料
teensy 4.0 開發版
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DHT22 AM2302 溫溼度感測器
AM2302 感測器模組原廠 DataSheet
DHT22 Arduino 專用函數庫
GY-BME280-3.3 高精度大氣壓強傳感器模組/高度計
GY-91 MPU9250 九軸感測器 + BMP280 氣壓計
MPU9250
BMP280
- BMP280 data sheet
- 傳輸方式:I2C
- slave address: 0x76
- 需要透過 pin 腳來改變 slave address,以避免跟 BME280 衝突,但是這個 pin 腳在 GY-91 上沒有被實做出來。
- 取樣頻率:
Gravity serial data logger 儲存裝置:
MPU9250改善方向
精度問題
- 用磁場計輔助作sensor fusion
- 增加陀螺儀數量
- 透過平臺進行矯正