Advertisement
Not a member of Pastebin yet?
Sign Up,
it unlocks many cool features!
- #!/usr/bin/python
- import sys
- from sense_hat import SenseHat
- # To get good results with the magnetometer you must first calibrate it using
- # the program in RTIMULib/Linux/RTIMULibCal
- # The calibration program will produce the file RTIMULib.ini
- # Copy it into the same folder as your Python code
- led_loop = [4, 5, 6, 7, 15, 23, 31, 39, 47, 55, 63, 62, 61, 60, 59, 58, 57, 56, 48, 40, 32, 24, 16, 8, 0, 1, 2, 3]
- sense = SenseHat()
- sense.set_rotation(0)
- sense.clear()
- prev_x = 0
- prev_y = 0
- led_degree_ratio = len(led_loop) / 360.0
- while True:
- dir = sense.get_compass()
- dir_inverted = 360 - dir # So LED appears to follow North
- led_index = int(led_degree_ratio * dir_inverted)
- offset = led_loop[led_index]
- y = offset // 8 # row
- x = offset % 8 # column
- if x != prev_x or y != prev_y:
- sense.set_pixel(prev_x, prev_y, 0, 0, 0)
- sense.set_pixel(x, y, 0, 0, 255)
- prev_x = x
- prev_y = y
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement