| # log the accelerometer values to a .csv-file on the SD-card |
| |
| import pyb |
| |
| accel = pyb.Accel() # create object of accelerometer |
| blue = pyb.LED(4) # create object of blue LED |
| |
| # open file to write data - /sd/ is the SD-card, /flash/ the internal memory |
| log = open("/sd/log.csv", "w") |
| |
| blue.on() # turn on blue LED |
| |
| # do 100 times (if the board is connected via USB, you can't write longer because the PC tries to open the filesystem which messes up your file.) |
| for i in range(100): |
| t = pyb.millis() # get time since reset |
| x, y, z = accel.filtered_xyz() # get acceleration data |
| log.write("{},{},{},{}\n".format(t, x, y, z)) # write data to file |
| |
| log.close() # close file |
| blue.off() # turn off LED |