Ultrasonic Distance Sensor: Difference between revisions
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*http://www.robotshop.com/en/compare-infrared-ultrasonic-distance-sensors.html | *http://www.robotshop.com/en/compare-infrared-ultrasonic-distance-sensors.html | ||
=Explanation= | |||
*Nice video - [https://www.youtube.com/watch?v=aLkkAsrSibo] | |||
Revision as of 03:46, 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
Selection
- Maxbotics - 1 mm resolution options, not water protected - 12" minimum distance - $40 - [1]. Adafruit has it.
- Microptik - 3 mm resolution - http://www.micropik.com/PDF/HCSR04.pdf - 2-400 cm range - services@elecfreaks.com. Sample Arduino sketch - [2]
- HC-SR04 - appears to get 3 mm accuracy - [3]
Comparisons
Explanation
- Nice video - [4]