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Pololu - Australia

P-Star 45K50 Mini SV

Code: SKU-004353

The P-Star 45K50 Mini SV is a small programmable module featuring Microchip’s PIC18F45K50 microcontroller. It packs a Micro-USB interface and 30 digital input/output pins onto a board measuring 2″ × 0.7″ and ships preloaded with a USB bootloader, so no external programmer is required.

$ 32.95

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QTR-1A Reflectance Sensor (2-Pack)

Code: SEN-10061

The QTR-1A reflectance sensor carries a single infrared LED and phototransistor pair in an inexpensive, tiny 0.5" x 0.3" module that can be mounted almost anywhere and is great for edge detection and line following. The reflectance measurement is output as an analogue voltage.

$ 7.95

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+424 more from our supplier in 7-10 days

QTR-1RC Reflectance Sensor (2-Pack)

Code: SEN-10065

The QTR-1RC reflectance sensor carries a single infrared LED and phototransistor pair in an inexpensive, tiny 0.5" x 0.3" module that can be mounted almost anywhere and is great for edge detection and line following. The output is designed to be measured by a digital I/O line.

$ 7.95

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+240 more from our supplier in 7-10 days

QTR-3A Reflectance Sensor Array

Code: SKU-003241

This compact module packs three IR LED/phototransistor pairs onto a 1.25″ × 0.3″ board. The sensors are mounted on a 0.375″ pitch, making this array a great minimal sensing solution for a line-following robot. Each sensor provides a separate analogue voltage output .

$ 10.95

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QTR-3RC Reflectance Sensor Array

Code: SKU-003242

This compact module packs three IR LED/phototransistor pairs onto a 1.25″ × 0.3″ board. The sensors are mounted on a 0.375″ pitch, allowing this array to be used as a minimal detector for a line-following robot. Each sensor provides a separate digital I/O-measurable voltage output .

$ 10.95

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+109 more from our supplier in 7-10 days

QTR-8A Reflectance Sensor Array

Code: SKU-002442

This sensor module has 8 IR LED/phototransistor pairs mounted on a 0.375" pitch, making it a great detector for a line-following robot. Pairs of LEDs are arranged in series to halve current consumption, and a MOSFET allows the LEDs to be turned off for additional sensing or power-savings options.

$ 17.95

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QTR-8RC Reflectance Sensor Array

Code: SEN-10017

This sensor module has 8 IR LED/phototransistor pairs mounted on a 0.375" pitch, making it a great detector for a line-following robot. Pairs of LEDs are arranged in series to halve current consumption, and a MOSFET allows the LEDs to be turned off for additional sensing or power-savings options.

$ 17.95

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QTR-HD-01A Reflectance Sensor: 1-Channel, 5mm Wide, Analog Output

Code: SKU-004911

sensors size (mm) output max current optimal range LED board 1 5.0 × 20.0 analogue 30 mA 32 mA 5 mm This IR LED/phototransistor pair is great for precisely identifying changes in reflectance (like line detection).

$ 4.20

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QTR-HD-01RC Reflectance Sensor: 1-Channel, 5mm Wide, RC Output

Code: SKU-004909

sensors size (mm) output max current optimal range LED board 1 5.0 × 20.0 RC (digital) 30 mA 32 mA 5 mm This IR LED/phototransistor pair is great for precisely identifying changes in reflectance (like line detection).

$ 4.20

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QTR-HD-02A Reflectance Sensor Array: 2-Channel, 4mm Pitch, Analog Output

Code: SKU-004817

pitch × sensors size (mm) output max current optimal range LED board 4 mm × 2 10.2 × 20.0 analogue 30 mA 32 mA 5 mm This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection).

$ 4.30

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+14 more from our supplier in 7-10 days