Ultrasonic Distance Sensor: Difference between revisions
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*Maxbotics - 1 mm resolution options, not water protected - 12" minimum distance - $40 - [http://www.maxbotix.com/Ultrasonic_Sensors/MB1013.htm]. Adafruit has it. | *Maxbotics - 1 mm resolution options, not water protected - 12" minimum distance - $40 - [http://www.maxbotix.com/Ultrasonic_Sensors/MB1013.htm]. Adafruit has it. | ||
*Microptik - 3 mm resolution - http://www.micropik.com/PDF/HCSR04.pdf - 2-400 cm range - services@elecfreaks.com. Sample Arduino sketch - [http://www.elecfreaks.com/244.html] | *Microptik - 3 mm resolution - http://www.micropik.com/PDF/HCSR04.pdf - 2-400 cm range - services@elecfreaks.com. Sample Arduino sketch - [http://www.elecfreaks.com/244.html] | ||
*HC-SR04 - appears to get 3 mm accuracy - [https://www.youtube.com/watch?v=-1SDVVepaP8] | *HC-SR04 - appears to get 3 mm accuracy - [https://www.youtube.com/watch?v=-1SDVVepaP8]. Sparkfun has the sensor + code - [https://codebender.cc/sketch:356078#HC-SR04%20Ultrasonic%20Sensor%20Example.ino] | ||
=Comparisons= | =Comparisons= | ||
Revision as of 03:52, 26 August 2016
Requirements
- 1mm accuracy optimal, 3 mm is absolute max
- Open source version of http://www.cnccontrols.com/thcontrol.asp - 20-250 mm range for pointing to metal, with no obstructions
Tech Support
- Sparkfun has them - [1]. Online chat at https://www.sparkfun.com/technical_assistance
Selection
- Maxbotics - 1 mm resolution options, not water protected - 12" minimum distance - $40 - [2]. Adafruit has it.
- Microptik - 3 mm resolution - http://www.micropik.com/PDF/HCSR04.pdf - 2-400 cm range - services@elecfreaks.com. Sample Arduino sketch - [3]
- HC-SR04 - appears to get 3 mm accuracy - [4]. Sparkfun has the sensor + code - [5]
Comparisons
Explanation
- Nice video - [6]