IR Sensor for Obstacle Avoidance KY-032 , ,

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 23.0

Product ID: 17289 SKU: sen-17289 Categories: , , Tags: , , ,

This Infrared Obstacle Avoidance Sensor returns a signal when it detects an object in range. The range of the sensor is around 2-40 cm is distance. It operates at 3.5 to 5 volts at around 20 milliamps. The Obstacle Avoidance Sensors usually come in two types – with 3 and 4 pins. The 3 pin version does not have the ability to be enabled/disabled. The 4 pin version has optional Enable pin. Infrared obstacle avoidance sensor is designed to detect obstacles or the difference in reflective services. One application is to help a wheeled robot avoid obstacles with a sensor to react to adjustable distance settings. This device has an infrared transmitter and receiver, that forms the sensor pair. The transmitter LED emits a certain frequency of infrared, which the receiver LED will detect. The receiving LED will detect some of the signal back and will trigger the digital on/off “signal” pin when a specific threshold “distance” has been detected. Most boards will have 2 potentiometers, one of which is to adjust how sensitive the sensor is. You can use it to adjust the distance from the object at which the sensor detects it. Typically, the other potentiometer, which changes the transmitter IR frequency is not adjusted.

Specifications

  • Working voltage: DC 3.3V-5V
  • Working current: ≥ 20mA
  • Operating temperature: -10 ℃ – +50 ℃
  • detection distance :2-40cm
  • IO Interface: 4-wire interfaces (- / + / S / EN)
  • Output signal: TTL level (low level there is an obstacle, no obstacle high)
  • Adjustment: adjust multi-turn resistance
  • Effective angle: 35 °
  • Size: 28mm × 23mm
  • Weight Size: 9g

Here we use the obstacle avoidance module and a digital interface, built-in 13 LED build a simple circuit, making avoidance warning lamp, the obstacle avoidance Sensor Access Digital 3 interface, when obstacle avoidance sensor senses a signal, LED light, and vice versa off.

Example code


 

 

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