Hi, I am doing a project that requires my system to detect metal. What is the best metal sensor that I can use with my UNO board? I search up on google and found inductive proximity sensor and hall effect sensor. What are the difference between two of them and which one should I use? I could not cle…

Looking for metal sensor

Grumpy_Mike April 5, 2014, 9:46am 4

Commercial inductive sensors are expensive. What is your definition of compact?

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