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Obstacle avoidance module mounting bracket kit for Arduino Robot car/Smart car (include servos, ultrasonic)

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4MM thick enough to stand using the new material high strength acrylic panels, the first exclusive design simple and robust structure that can withstand greater impact force. 
Product application areas: 
Robot obstacle avoidance / object distance / level detection / public security / parking detection 
  The main technical parameters: 
  1: Voltage: DC5V 
  2: Static current: less than 2mA 
  3: Level Output: 5V High 
  4: level output:  0V Low
  5: Sensor angle: not more than 15 degrees 
  6: Detection distance: 2cm-450cm 
  7: Accuracy: 3mm 
Wiring, VCC, trig (control side), echo (receiving end), GND 
The basic operating principle: 
(1) using the IO port TRIG trigger distance, at least 10us high level signal; 
(2) the module automatically sends eight 40khz square wave and automatically detects whether a signal return; 
(3) a signal is returned, through the IO port ECHO outputs a high level, high duration is Ultrasonic time from launch to return. Test distance = (time * High speed of sound (340M / S)) / 2;

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