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.

Filter by
Sorted by
Tagged with
-1
votes
0answers
44 views

Detect when magnetic buzzer is 'ringing'

In my apartment i want to make my intercom smarter. The goal is to detect someone is at the door, and to open the door remotely. Opening is not a problem, i have that covered already. Since my ...
2
votes
0answers
28 views

How to input delay and increase volume measurements with hall sensor detection

I'm writing code so that, every time a hall monitor senses, my code additively measures 5 liters of volume as it prints each detection. Then, this data is sent via Bluetooth to a phone. (This is for a ...
1
vote
2answers
69 views

stop motor instantaneous with hall sensor problem

I have a problem with stopping motor at same spot when magnet pass.. I tried to add interrupt and to make code as clean as possible but no joy so far. Any suggestions? sw will add later, just ignore.. ...
0
votes
1answer
28 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 ...
1
vote
0answers
47 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 ...
1
vote
1answer
108 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 ...
0
votes
2answers
123 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 ...
-1
votes
1answer
33 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 ...
1
vote
1answer
826 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, ...
-1
votes
2answers
232 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 ...