11. Octopus Photo Interrupter Sensor

11.1. Introduction


  • Photo Interrupter Sensor is a sensor module based on ITR9608 photoelectric switch that can be used with micro:bit.

    ../../_images/xxZhvK9.jpg

11.2. Characteristics


  • The 3-pins ports is easy to plug and play.

  • It can work with micro:bit in 3V.

11.3. Specifications


Item | Parameter :-: | :-: SKU|EF04012 ITR9608 Optoelectronic switch|Built-in infrared transmitter and receiver tube LED with signal|Signal Indicator Working Voltage|DC 3.0V-5.0V Connector Type|Digital Pins Definition|1-Signal 2-VCC 3-GND Response|Quick to response with high sensitivity Stability|Stable and durable

11.4. Outlook and Dimensions


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11.5. Quick to Start


Connection diagram

  • Connect to P1 port as the picture shows.

Take sensor:bit for example

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Program as the picture shows

  • Show the value variable.

  • Add 1 on the value variable each time when the Photo Interrupter Sensor detects a value.

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Reference

Links: https://makecode.microbit.org/_VcJWCh4hw97j

You can also download it directly below:

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Result

  • The on start micro:bit shows number 0, the counting system would add one each time when objects are put on the Optoelectronic switch.

11.6. Relevant Cases


11.7. Technique Files