Hi! I'm trying to make a simple circuit which makes a vibrate motor come on by introducing a magnet to a Hall effect sensor. I've connected it to an opamp as a comparator with another hall sensor facing the opposite direction.
If I remove the motor, the LED turns off fine and comes back on, but if I put the motor in the circuit, it turns on when the LED goes off, but it won't turn off when I remove the magnet. The voltage across the motor goes from 0v(no magnet) to 3.8v(magnet) but when I remove the magnet, it only drops to 1.3v, meaning the motor keeps spinning. If I put a magnet next to the opposing hall sensor the voltage drops back to 0 and the LED turns back on.
I'm an amateur at this so I'm a bit lost as to how to get this to work, any help with this would be greatly appreciated.
If I remove the motor, the LED turns off fine and comes back on, but if I put the motor in the circuit, it turns on when the LED goes off, but it won't turn off when I remove the magnet. The voltage across the motor goes from 0v(no magnet) to 3.8v(magnet) but when I remove the magnet, it only drops to 1.3v, meaning the motor keeps spinning. If I put a magnet next to the opposing hall sensor the voltage drops back to 0 and the LED turns back on.
I'm an amateur at this so I'm a bit lost as to how to get this to work, any help with this would be greatly appreciated.
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