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Petal Series Hall Sensor

Product Overview​

Used to detect changes in magnetic force.

Specifications​

NameIllustration
Interface TypeHY2.0 4-pin Right-angle Header
Product Dimensions35.8mm x 23.8mm
Product Weight4.4g (excluding packaging and accessories)

Dimension Drawing​

Hardware Wiring​

Connect the Petal Series Hall Sensor to the J1 port of the Petal Base Expansion Board.

Software Programming​

Create a New Project and Add Extensions​

Go to makecode.microbit.org, and click New Project.

Enter a project name in the pop-up window and click Create.

Click Extensions in the code drawer.

Enter petal in the pop-up interface and click the search icon. Click the petal software library when it is displayed.

Sample Program​

Program Link: https://makecode.microbit.org/_2h6KT1MfWWsP

You can also download the program directly through the webpage below.

Download the Program​

Connect your PC and micro:bit V2 with a USB cable.

After a successful connection, a drive named MICROBIT will be detected on your computer.

Click the icon in the bottom left corner, and select Connect Device.

Click.

Click.

Select BBC micro:bit CMSIS-DAP in the pop-up window, then click Connect. At this point, your micro:bit is successfully connected.

Click Download Program.

Result​

When the Hall sensor is triggered, the LED matrix displays a heart icon; otherwise, the LED matrix displays a smiley face icon.