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| | Using Salvaged Hall Effect SwitchesThis is an easy task. Quite simply, supply +5v to the device. The output is open collector, so a pull-up resistor to +5v is required. I normally use a 10k ohm resistor. The output is normally high, pulled up by the resistor. It is switched low when close to a magnet.  Above, wired sensor during testing of operation. There will be a Cybot odometry project soon using hall switches. |
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