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| Der Magnetfelder Detektor Components |
As promised, we continue our series on new uses for Das BlinkenBoard. This month, we feature an amazing and simple mod by adding a
Hall-effect sensor, a 2K resistor and a new programmed chip, they have turned the mild mannered Das BlinkenBoard into a magnetic field
detector! It uses the LEDs as a bar-graph to display both relative field strength and magnetic pole polarity of magnets held near the sensor.
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