Data Sheet
 1.27
50
 1.27
50
 12.15
478
  3.81
150
Board dimensions (top view)
1
Scale 3:1
Connector callouts (bottom view)
2
Scale 3:1
Profile
4
Scale 3:1
Scale 1:1
6
Actual size
QTR sensor
5
Scale 3:1
Isometric view
3
Scale 3:1
  1.5
59
 1.02
40
Emitter
Phototransistor
4×
1.02
40
  20.0
787
  7.6
300
  3.8
150
  2.5
98
2.18
86
1.
1.
R
 https://www.pololu.com/category/123
Name:
Units:
Drawing date:
mm
[mil]
Material:
© 2018 Pololu Corporation
mixed
Item number:
QTR-MD-01x Reflectance Sensor
14 September 2018
4141, 4241
Intended for #2 and M2 screws.1.
Grid lines indicate 2.54 mm [100 mil] spacing.2.
To get the specified scale, select 100% in print settings.3.
Drill location tolerance: ±0.1 [±5].4.
Board edge tolerance: ±0.3 [±10].5.
Dev code:
irs21b










