QTRX-HD-03RC Reflectance Sensor Array: 3-Channel, 4mm Pitch, RC Output, Low Current

LKR 800.00
In stock
SKU
4303
pitch × sensorssize
(mm)
outputmax currentoptimal
range
LEDboard
4 mm × 3 13.0 × 20.0 RC (digital) 3.5 mA 9 mA 10 mm

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 5.5 V and offers dimmable brightness control independent of the supply voltage. In general, the closer the object, the higher the contrast between light and dark readings, but high-reflectance objects are generally detectable out to around 30 mm. This version features high-performance, low-current QTRX sensors with lenses.

Dimensions

Size: 13.0 × 20.0 × 3.0 mm
Weight: 0.8 g

General specifications

Maximum range: 30 mm
Optimal range: 10 mm
Minimum operating voltage: 2.9 V
Maximum operating voltage: 5.5 V
LED current: 3.5 mA1
Peak wavelength: 940 nm
Maximum current draw: 9 mA2
Sensor type: QTRX
Sensor pitch: 4.0 mm
Sensor count: 3
Output type: RC (measurable by digital I/O)

Identifying markings

PCB dev codes: irs23j3
Other PCB markings: 0J113793

Notes:

1. Can be dynamically reduced to any of 32 available dimming levels.
2. With all LEDs on at max brightness setting.
3. Note: this does not differentiate between the A and RC output types.
More Information

https://www.pololu.com/product/4303/resources

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