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21 Servo Control Module The SD21 is a 21 channel servo controller module.
The SD21 is a 21 channel servo controller module.
It will drive up to 21 RC servos and maintain a 20mS refresh rate, regardless of the number of servos used or their positions (pulse widths).
It will control both position and speed of the servos.
Full SD21 Documentation
Examples I2C bus tutor - general I2C guide Arduino - using an I2C interface ATMEGA32 - Simple communication example PIC18F4410 - driving servos example PIC24FJ16GA002 - reading the result and displaying on a LCD03/LCD05 Picaxe18x - I2C communication example
Sizing Charts
Women
Size
XS
S
S
M
M
L
EU
32
34
36
38
40
42
UK
4
6
8
10
12
14
US
0
2
4
6
8
10
Bust
79.5cm / 31"
82cm / 32"
84.5cm / 33"
89.5cm / 35"
94.5cm / 37"
99.5cm / 39"
Waist
61.5cm / 24"
64cm / 25"
66.5cm / 26"
71.5cm / 28"
76.5cm / 30"
81.5cm / 32"
Hip
86.5cm / 34"
89cm / 35"
91.5cm / 36"
96.5cm / 38"
101.5cm / 40"
106.5cm / 42"
Men
Size
XS
S
M
L
XL
XXL
UK/US
34
36
38
40
42
44
Neck
37cm / 14.5"
38cm /15"
39.5cm / 15.5"
41cm / 16"
42cm / 16.5"
43cm / 17"
Chest
86.5cm / 34"
91.5cm / 36"
96.5cm / 38"
101.5cm / 40"
106.5cm / 42"
111.5cm / 44"
Waist
71.5cm / 28"
76.5cm / 30"
81.5cm / 32"
86.5cm / 34"
91.5cm / 36"
96.5cm / 38"
Seat
90cm / 35.4"
95cm / 37.4"
100cm / 39.4"
105cm / 41.3"
110cm / 43.3"
115cm / 45.3"