Hello! I\m new to Arduino I need to choose a analog sensor to give analog input to Arduino based on change in distant. I've attached this simple illustration. I was thinking about analog hall effect magnetic module, any better Ideas? Thanks Adnan [Untitled-1.jpg]

Analog Sensor Advice

TomGeorge October 10, 2017, 9:07pm 7

Hi,
OPs diagram.

Tom...