Ultrasonic Distance Sensor: Difference between revisions
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*1mm accuracy optimal, 3 mm is absolute max | *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 | *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 - [https://www.sparkfun.com/categories/84] | |||
=Selection= | =Selection= | ||
Revision as of 03:47, 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]
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]
Comparisons
Explanation
- Nice video - [5]