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Questions tagged [hall-sensor]

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1answer
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Calculate ticks with three encoders?

I have a question regarding calculating the ticks in a sensored BLDC. The BLDC has three hall effect sensors with slightly differing phasing and there are 30 magnets in 360 degrees of wheel rotation. ...
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1answer
36 views

Accuracy of hall sensor encoders on Raspberry Pi

I have 2 motors (JGA25-370) with hall-sensor encodes. They emit about 90-100 interrupts every 100ms, so 1000 a second. Which means I have an interrupt happening every 1ms. The motors are driven by ...
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1answer
37 views

Probably basic question about how control a DC motor

over the past weeks I was trying to figure out how use the information from hall sensor to control a DC motor. Basically this is the motor which I'm using: https://www.servocity.com/32-rpm-hd-premium-...
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votes
1answer
111 views

Using hall sensors to calculate position

I have a geared DC motor with hall speed sensors. I want to count signals from the sensor to get position of the motor. Hall sensor has resolution of 12 CPR. Gear ratio is 1:810, which means that I ...
0
votes
1answer
37 views

augmenting room magnetic field for smartphone sensors [closed]

is it possible to enhance (or redirect) the earth's magnetic field in a room or house so that one can write a small program that makes smartphones with hall-effect sensors detect more reliably in ...
2
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4answers
616 views

Simple yet effective angular position sensor to be used in robotic hand

What is the best yet simple to use angular position sensor? I am building a robotic hand and I want to implement this sensor at the joints of the fingers. I don't need a module, just an analogue ...
4
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3answers
1k views

Can I reuse the hall sensors in a brushless motor as an encoder?

I have upgraded the motors in my robotic arm to sensored, brushless RC car motors. The hope was to reuse the Hall sensors to double as a rotary encoder, by tapping 2 Hall sensors and treating the 2 ...
2
votes
1answer
224 views

What BLDC servo drive takes sinusoidal hall sensor signals?

I am looking for a servo drive to control a brushless DC motor, with at least 10A, 30V rating. However, I want to know if any exist which take sinusoidal hall sensor signals directly. I already know ...