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Tag: hc-sr04

  • Arduino Ultrasonic Distance Sensor 10cm Test

    Arduino Ultrasonic Distance Sensor 10cm Test

    Arduino is more powerful than you think! Today we will use the Ultrasonic Distance Sensor called HC-SR04 and test it to see how accurate it is. First of all we will build a very simple setup and add a red LED and program it to flash red when the distance has reached. Ultrasonic Distance Sensor…