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0.95inch RGB OLED (A) IC Test Board - zdjęcie 2

Hall sensor AH49E - Waveshare 9522

Index: WSR-04494 EAN: 5904422366230

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Module with Hall sensor with analog and digital output. It works with voltage from 2.3 V to 5.3 V. It provides the detection of a magnetic field.

€2.90

€2.36 tax excl.

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Manufacturer: Waveshare

Compatibility: Arduino

Description

Module with Hall sensor with analog and digital output. It works with voltage from 2.3 V to 5.3 V. It provides the detection of a magnetic field. The output voltage of the sensor is proportional to the value of the induction of the magnetic field.

The product is compatible with Arduino

The manufacturer has prepared a user guide along witha sample program for Arduino and STM32.

Specification

Supply voltage: from 2.3 V to 5.3 V
Analog and digital output signal
It is equipped with a Hall sensor AH49E (documentation)
Sensitivity: 1,6 mV/GS
The kit includes a cable with female ends

Module dimensions: 26 x 16 mm

The included cable allows you to easily connect the device.

Pins

The device has a 4-pin connector. The output signal can lead, for example, to an input of the analogmodule of Arduino.

Pin	Description
VCC	Supply voltage: from 2.3 V to 5.3 V.
GND	The ground of the system.
AOUT	Analog output signal.
DOUT	The digital output signal, the sensitivity is adjusted using the integrated potentiometer.

Useful links

Test	4
Package width	7 cm
Package height	0.4 cm
Package depth	8 cm
Package weight	0.006 kg

Send us your question

Robert 03/13/23	Question: I want to build a circuit that responds to only one pole of the magnet. From what I understand, the AH49E sensor itself can detect which pole we are approaching the magnet with (for S it is the range of 0.5-1.0 supply voltage, and for N it is 0.0-0.5). However, I am not sure how the DOUT pin works. When we apply the S pole, do we get 5 V, and when there is no magnet or we apply the N pole we get 0 V?
	Answer: In the absence of field detection, the sensor on the DOUT pin indicates 5 V, and when detected, about 0 V (~0.13 V).

Franciszek 01/21/21	Question: Can this sensor be used with Raspberry pi 4? I read that this model is dedicated to Arduino.
	Answer: The module uses an analog signal for communication; unfortunately, the Raspberry Pi does not have a digital-to-analog converter.