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Questions tagged [hall-effect]

The production of a potential difference across an electrical conductor when a magnetic field is applied in a direction perpendicular to that of the flow of current.

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1answer
27 views

Unable to get readings for "Motor with Encoder"

I've posted to the DFRobot forum, who makes the FIT0186 motors, but no one seems to be replying there. So, excuse the copy pasting. It's probably an issue with the motor/encoder, but perhaps it has ...
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42 views

Hall Sensor (Fluid Flow) "Noise"

Kind of a fringe question here, but could not find anything concrete so figured I would throw it to this great community. I have 2 DS80 flow meters (Hall Effect Sensor type flow meters - nothing ...
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1answer
104 views

Why do my Hall sensor readings change when I write them to the serial port?

I have a small project where I connected a Hall sensor (see picture) to an Arduino Mega. The blue wire is connected to pin 45, the red wire to +5V, and the black wire to GND. At the beginning I ...
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2answers
103 views

Speed control of BLDC with an integrated controller (Hall out, PWM in)

I am aiming at precise speed control of this BLDC motor: it has an integrated controller, outputting digital Hall signal (period 20.8ms on oscilloscope, w/o load) and taking PWM as input for speed ...
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1answer
31 views

choosing prober controller to measure engin speed changes

In order to monitor engine speed changes in real time, sensor is detecting the motion of few magnets around a disk driven by the motor. 1st approach Hall effect sensor signal is regulated by LM393 ...
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1answer
731 views

What is the difference between a Hall effect sensor and an inductive one? [closed]

From what I have read, when placed within a magnetic field, a current will flow in both sensors. My goal is to use this kind of sensors to guide a robot thanks to an existing automower loop wire, ...
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2answers
206 views

Why voltage drop cause changes in analog reading of hall-effect sensor?

The sensor is a hall-effect UGN3503 sensor and I'm using a TL431 shunt regulator as voltage reference for analog readings. I'm using analogRead() with setting the analog reference to external ...