Ultrasonic Sensor: Difference between revisions
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*Sparkfun - [https://www.sparkfun.com/products/13959] | *Common HC-SR04 1 cm accuracy sensor - Sparkfun - [https://www.sparkfun.com/products/13959]. Claims 3 mm resolution, which would work for CNC torch. | ||
*Migatron - [http://www.migatron.com/?_vsrefdom=GAW&gclid=CNGJq__Rn9ICFZKHaQodlzUEmA] | *Migatron - [http://www.migatron.com/?_vsrefdom=GAW&gclid=CNGJq__Rn9ICFZKHaQodlzUEmA] |