$
€
£
(£)
($)
(€)
(£)
My Account
Orders
Wish list
Track my order(s)
Track my order(s)
Sign in
Register
Email
Password
Forgot your password?
Register for a new account
Anti-bot validation
Sign in
Remember me
No data found
Close
Cart is empty
Cart is empty
View cart
Checkout
Menu
Electronics
Audio
Breadboarding
Breakout Boards
Connectors & Leads
Controller Boards
Diodes & Thyristors
Electrical
Electronics Hardware
Inductors
Interfaces
Opto Electronics & LEDs
Sensors
Switches & Relays
Voltage Converter Modules
Motors & Controllers
Motor Controllers
Motors
Servos
Stepper Motors
Gears & Sprockets
Gear Racks
Industrial Grade Gears
Plastic Model Gears
Sprockets & Chain
Steel Model Gears
Pulleys & Belts
MFA T5x10mm Timing Belts & Pulleys
GT2 Pulleys
GT2 Belts
MXL025 Timing Pulleys
MXL025 Timing Belts
Brass Pulleys
T2.5x6mm Timing Pulleys
T2.5x6mm Timing Belts
T5x10mm Timing Pulleys
T5x10mm Timing Belts
Pulley Belts
Plastic Model Pulleys
Wooden Pulleys
Belt Clamps & Tensioners
Shafts & Mounts
T8 Lead Screws and Nuts
Model Steel Shafts
Silver Steel Bar
Hardened Chromed Steel Bar
Handles
Shaft Mounts (Linear Rails)
Couplings & Hubs
Rod End Bearings
Solid Couplings
Universal Couplings
Jaw Shaft Coupings
Split Shaft Couplings
Collets + Collars
Gear & Shaft Adaptors
Miniature Model Making Brass Couplings
Shaft Mounting Hubs
Wheels
FingerTech Wheels
Makertronics Wheels
Mecanum Wheels
Model Wheels
Pololu Wheels
Polythene Wheels
Tracks
Wooden Wheels
Bearings
Bearing Blocks
Cam Followers
Deep Groove Bearings
Grooved Model Bearings
Linear Bearing Slide Units
Linear Guide Rails
Miniature Ball Bearings
Miniature Flanged Ball Bearings
Miniature Thrust Ball Bearings
V Wheel Bearings
T-Slot Extrusion
MakerBeam
MakerBeamXL
OpenBeam
Home
/
Electronics
/
Sensors
/
Reflectance Sensors
/
QTR Relectance Sensors
/
QTR 4mm Pitch Relectance Sensors
Categories
Menu
Audio
Breadboarding
Breakout Boards
Connectors & Leads
Controller Boards
Diodes & Thyristors
Electrical
Electronics Hardware
Inductors
Interfaces
Opto Electronics & LEDs
Sensors
Reflectance Sensors
General Reflectance Sensors
QTR Relectance Sensors
QTR 4mm Pitch Relectance Sensors
QTR 8mm Pitch Relectance Sensors
QTRX 4mm Pitch Relectance Sensors
QTRX 8mm Pitch Relectance Sensors
QTRXL High Desity Relectance Sensors
Ultrasonic Sensors by MaxBotix
Various other Sensors
Switches & Relays
Voltage Converter Modules
QTR 4mm Pitch Relectance Sensors
Sort by Position: Low to High
Newest Items First
Sort by Position: High to Low
Sort Alphabetically: A to Z
Sort Alphabetically: Z to A
Sort by Price: Low to High
Sort by Price: High to Low
Sort by Popularity
50 Per Page
12 Per Page
24 Per Page
48 Per Page
96 Per Page
Save 28%
Reflectance Sensor QTR-HD-01A, 1 Channel, 4mm Pitch, Analogue Output
£
2.08
£
1.49
(
£
1.79
UK, incl VAT)
Part No.:
3801-620
This IR LED/phototransistor pair is great for precisely identifying changes in reflectance (like line detection). It operates from 2.9 V to 5.5 V...
Availability:
1 item(s)
End of Line
Quantity:
+
−
Add to cart
Add to wish list
Save 70%
Reflectance Sensor QTR-HD-03A, 3 Channel, 4mm Pitch, Analogue Output
£
3.13
£
0.93
(
£
1.12
UK, incl VAT)
Part No.:
3801-622
This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection). It operates from 2.9 V to...
Availability:
2 item(s)
End of Line
Quantity:
+
−
Add to cart
Add to wish list
Save 40%
Reflectance Sensor QTR-HD-04A, 4 Channel, 4mm Pitch, Analogue Output
£
3.79
£
2.26
(
£
2.71
UK, incl VAT)
Part No.:
3801-623
This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection). It operates from 2.9 V to...
Availability:
1 item(s)
End of Line
Quantity:
+
−
Add to cart
Add to wish list
Save 70%
Reflectance Sensor QTR-HD-05A, 5 Channel, 4mm Pitch, Analogue Output
£
4.94
£
1.47
(
£
1.76
UK, incl VAT)
Part No.:
3801-624
This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection). It operates from 2.9 V to...
Availability:
2 item(s)
End of Line
Quantity:
+
−
Add to cart
Add to wish list
Save 70%
Reflectance Sensor QTR-HD-06A, 6 Channel, 4mm Pitch, Analogue Output
£
5.62
£
1.67
(
£
2.00
UK, incl VAT)
Part No.:
3801-625
This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection). It operates from 2.9 V to...
Availability:
2 item(s)
End of Line
Quantity:
+
−
Add to cart
Add to wish list
Save 70%
Reflectance Sensor QTR-HD-07A, 7 Channel, 4mm Pitch, Analogue Output
£
6.28
£
1.87
(
£
2.24
UK, incl VAT)
Part No.:
3801-626
This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection). It operates from 2.9 V to...
Availability:
2 item(s)
End of Line
Quantity:
+
−
Add to cart
Add to wish list
Save 70%
Reflectance Sensor QTR-HD-09A, 9 Channel, 4mm Pitch, Analogue Output
£
8.09
£
2.41
(
£
2.89
UK, incl VAT)
Part No.:
3801-627
This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection). It operates from 2.9 V to...
Availability:
2 item(s)
End of Line
Quantity:
+
−
Add to cart
Add to wish list
Save 70%
Reflectance Sensor QTR-HD-11A, 11 Channel, 4mm Pitch, Analogue Output
£
9.91
£
2.95
(
£
3.54
UK, incl VAT)
Part No.:
3801-628
This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection). It operates from 2.9 V to...
Availability:
2 item(s)
End of Line
Quantity:
+
−
Add to cart
Add to wish list
Save 70%
Reflectance Sensor QTR-HD-15A, 15 Channel, 4mm Pitch, Analogue Output
£
12.56
£
3.74
(
£
4.49
UK, incl VAT)
Part No.:
3801-629
This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection). It operates from 2.9 V to...
Availability:
1 item(s)
End of Line
Quantity:
+
−
Add to cart
Add to wish list
Save 70%
Reflectance Sensor QTR-HD-31A, 31 Channel, 4mm Pitch, Analogue Output
£
25.16
£
7.49
(
£
8.99
UK, incl VAT)
Part No.:
3801-630
This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection). It operates from 2.9 V to...
Availability:
1 item(s)
End of Line
Quantity:
+
−
Add to cart
Add to wish list
Save 40%
Reflectance Sensor QTR-HD-01RC, 1 Channel, 4mm Pitch, RC (Digital) Output
£
2.57
£
1.53
(
£
1.84
UK, incl VAT)
Part No.:
3801-640
This IR LED/phototransistor pair is great for precisely identifying changes in reflectance (like line detection). It operates from 2.9 V to 5.5 V...
Availability:
5 item(s)
End of Line
Quantity:
+
−
Add to cart
Add to wish list
Save 70%
Reflectance Sensor QTR-HD-02RC, 2 Channel, 4mm Pitch, RC (Digital) Output
£
2.47
£
0.74
(
£
0.89
UK, incl VAT)
Part No.:
3801-641
This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection). It operates from 2.9 V to...
Availability:
2 item(s)
End of Line
Quantity:
+
−
Add to cart
Add to wish list
Save 70%
Reflectance Sensor QTR-HD-03RC, 3 Channel, 4mm Pitch, RC (Digital) Output
£
3.13
£
0.93
(
£
1.12
UK, incl VAT)
Part No.:
3801-642
This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection). It operates from 2.9 V to...
Availability:
2 item(s)
End of Line
Quantity:
+
−
Add to cart
Add to wish list
Save 40%
Reflectance Sensor QTR-HD-04RC, 4 Channel, 4mm Pitch, RC (Digital) Output
£
3.79
£
2.26
(
£
2.71
UK, incl VAT)
Part No.:
3801-643
This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection). It operates from 2.9 V to...
Availability:
1 item(s)
End of Line
Quantity:
+
−
Add to cart
Add to wish list
Save 70%
Reflectance Sensor QTR-HD-05RC, 5 Channel, 4mm Pitch, RC (Digital) Output
£
4.94
£
1.47
(
£
1.76
UK, incl VAT)
Part No.:
3801-644
This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection). It operates from 2.9 V to...
Availability:
2 item(s)
End of Line
Quantity:
+
−
Add to cart
Add to wish list
Save 70%
Reflectance Sensor QTR-HD-06RC, 6 Channel, 4mm Pitch, RC (Digital) Output
£
5.62
£
1.67
(
£
2.00
UK, incl VAT)
Part No.:
3801-645
This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection). It operates from 2.9 V to...
Availability:
2 item(s)
End of Line
Quantity:
+
−
Add to cart
Add to wish list
Save 70%
Reflectance Sensor QTR-HD-07RC, 7 Channel, 4mm Pitch, RC (Digital) Output
£
6.28
£
1.87
(
£
2.24
UK, incl VAT)
Part No.:
3801-646
This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection). It operates from 2.9 V to...
Availability:
2 item(s)
End of Line
Quantity:
+
−
Add to cart
Add to wish list
Save 70%
Reflectance Sensor QTR-HD-09RC, 9 Channel, 4mm Pitch, RC (Digital) Output
£
8.09
£
2.41
(
£
2.89
UK, incl VAT)
Part No.:
3801-647
This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection). It operates from 2.9 V to...
Availability:
2 item(s)
End of Line
Quantity:
+
−
Add to cart
Add to wish list
Save 70%
Reflectance Sensor QTR-HD-11RC, 11 Channel, 4mm Pitch, RC (Digital) Output
£
9.91
£
2.95
(
£
3.54
UK, incl VAT)
Part No.:
3801-648
This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection). It operates from 2.9 V to...
Availability:
2 item(s)
End of Line
Quantity:
+
−
Add to cart
Add to wish list
Save 70%
Reflectance Sensor QTR-HD-15RC, 15 Channel, 4mm Pitch, RC (Digital) Output
£
12.56
£
3.74
(
£
4.49
UK, incl VAT)
Part No.:
3801-649
This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection). It operates from 2.9 V to...
Availability:
1 item(s)
End of Line
Quantity:
+
−
Add to cart
Add to wish list
Save 40%
Reflectance Sensor QTR-HD-31RC, 31 Channel, 4mm Pitch, RC (Digital) Output
£
25.16
£
14.98
(
£
17.98
UK, incl VAT)
Part No.:
3801-650
This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection). It operates from 2.9 V to...
Availability:
1 item(s)
End of Line
Quantity:
+
−
Add to cart
Add to wish list