This module allows for sensing of solid objects within a fixed range (adjustable with on-board potentiometer). Ideal for robotic applications.Â This is a simple example of how to use the Hobby Components obstacle avoidance sensor module (HCMODU0006). It is a very simple module that requires only one DIOÂ pin (defined as an input) to operate. When the sensor detects a reflective objectÂ in close proximity it will pull a connected DIO pin LOW. A non reflective or no objectÂ in close proximity will cause the DIO pin to go high.
PIN 1: GND
PIN 2: +5V
PIN 3: DATA OUT
PIN 4: ENABLE (NOT CONNECTED)
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/* Define the DIO pin that will be used to communicate with the sensor */
#define SENS_DIO 2
/* Initialise serial and DIO */
/* Setup the serial port for displaying the status of the sensor */
/* Configure the DIO pin the sensor will be connected to as an input */
/* Main program loop */
/* If the DIO pin is pulled low then an object has been detected */
Serial.println("Object detected !");