so i conect the positive of the battery to one end of the reed switch and the other end to a led positive, negative of the led to a resistor and then to the battery negative...the reed switch closes and opens with a magnet as it SHOULD. then i conect an arduino uno also, i put the magnet reed switc…

operation of reed switch problem

system September 13, 2012, 2:08pm 3

i have a 3.7 lipo battery

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