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Descripción
Paquete de 2 sensores de reflectancia basados en fototransistores infrarrojos
Ideal para detección de bordes y aplicaciones de seguimiento de línea
También disponible con salida analógica (ver opciones)
Mide solo 0,3" x 0,5" x 0,1" y pesa 0,23 gramos
El Sensor de Reflectancia Pololu QTR-1RC tiene un solo LED infrarrojo y un par de fototransistores en un pequeño y económico módulo sensor de 0,5" x 0,3" que se puede montar casi en cualquier lugar y es ideal para detección de bordes y aplicaciones de seguimiento de línea. La resistencia de limitación de corriente está configurada para entregar aproximadamente 20-25 mA al LED cuando el VIN es de 5 V. El requisito de corriente puede cumplirse con algunas líneas de E/S del microcontrolador, lo que permite que el sensor se encienda y apague a través de una línea E/S para conservar energía.
Debido a su pequeño tamaño, múltiples unidades se pueden organizar fácilmente para adaptarse a diversas aplicaciones, como detección de línea, proximidad o borde. El sensor de reflectancia se envía con una tira de cabezal de 3 pines de 0,1", que puede soldarse en la orientación perpendicular convencional o paralela a la PCB. También puede soldar cables, como un cable plano, directamente a las almohadillas para una instalación más pequeña.
Works as intended , I have used 4 of these for a line following project, the sample code works good and is a good place to start. sidenote; be aware that the optimal sensing distance is very short, so take that into consideration when implementing them into a project.
E
Electrical Engineering Student
Great for edge detection and line following applications
These sensors worked great on my autonomous robot for line following. I had no problem getting them to work correctly. They a very sensitive, which is great for detecting slight changes in reflectance.
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