Requires WiringPi

Compile with;

git pull origin

g++ -o main -l rt ADXL345.cpp main.cpp -lm -lwiringPi

rpi accelerometer http://ozzmaker.com/guide-to-interfacing-a-gyro-and-accelerometer-with-a-raspberry-pi/

grove arduino accelerometer https://github.com/Seeed-Studio/Accelerometer_And_Gyroscope_LSM6DS3/blob/master/SparkFunLSM6DS3.cpp

wire to wiringpi https://www.raspberrypi.org/forums/viewtopic.php?f=44&t=53680

ADXL345 https://github.com/mcauser/Grove-3Axis-Digital-Accelerometer-16g-ADXL345

normal: 235,113,31 mag:變動在5之內

usb: /dev/sda1 8064 15130623 15122560 7.2G c W95 FAT32 (LBA) LABEL="USB DISK" UUID="EA60-6436" TYPE="vfat" PARTUUID="ea0dd879-01"

auto atart https://www.raspberrypi.org/forums/viewtopic.php?f=33&t=126937 https://stackoverflow.com/questions/46997065/how-to-autostart-a-c-program-on-raspberry-pi https://www.linuxbabe.com/linux-server/how-to-enable-etcrc-local-with-systemd

在/etc/init.d/auto_start裡，執行檔案 cd /home/pi/ADXL345/ ./main 檔案會自動存到usb