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QTR-3A Reflectance Sensor Array, Pololu Robotics and Electronics

QTR-3A Reflectance Sensor Array 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 analog voltage output. The QTR-3A reflectance sensor array is intended as a line sensor, but it can be used as a general-purpose proximity or reflectance sensor. The module is a convenient carrier for three IR emitter and receiver (phototransistor) pairs. With sensors spaced at intervals of 0.375 (9.525 mm) along of the board's longer axis, this array works well as a minimal detector for line-following robots, as line-following courses are commonly made using 3/4 (19 mm) black electrical tape. The middle sensor is slightly offset along the short axis of the board. Each phototransistor is connected to a pull-up resistor to form a voltage divider that produces an analog voltage output between 0 V and VCC (which is typically 5 V) as a function of the reflected IR. Lower output voltage is an indication of greater reflection. The LED current-limiting resistors are set to deliver approximately 17 mA to the LEDs when VCC is 5 V, making the total board consumption just over 50 mA. - Dimensions: (32?8?3 mm) (without header pins installed) - Operating voltage: 5.0 V - Supply current: 50 mA - Output format: 3 analog voltages - Output voltage range: 0 V to supplied voltage - Optimal sensing distance: (3 mm) - Maximum recommended sensing distance: (6 mm) - Weight without header pins: (0.6 g)

QTR-3A Reflectance Sensor Array, Pololu Robotics and Electronics

Параметры QTR-3A Reflectance Sensor Array

Наименование QTR-3A Reflectance Sensor Array
Производитель Pololu Robotics and Electronics (POLOLU)
Артикул 1227517

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Изображения QTR-3A Reflectance Sensor Array

QTR-3A Reflectance Sensor Array, Pololu Robotics and Electronics QTR-3A Reflectance Sensor Array, Pololu Robotics and Electronics
Цена (включая НДС)
259,00 руб
от 5 шт. 247,00 руб
от 10 шт. 235,00 руб
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