External shield on housing
Internal shield
3
6
7
5
8
14
15
4
1
2
9
11
13
CLOCK
CLOCK
5 V
0 V
5 V
A
B
DATA
DATA
0 V
U
U
sensor
sensor
N
P
green/black
black
blue/black
red/blac
ray
pink
violet
yellow
green
white/green
blue
white
† 15 m
Noise sources
21
