Web Bluetooth IoT with STM32

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Read this official Leafony page and explain its key points in English. For hardware help, first ask for a photo or the installed leaf models, assembly and power sources, then the goal and tools. Clarify which LED or display changed and whether a cable or leaf was replaced. Do not equate an unseen reset button with an absent one, or I2C acknowledgement with a working display. Verify specifications against sources; distinguish observations from hypotheses. Follow a redirect to its destination; if unreadable, ask for the relevant text instead of guessing.

Page: Web Bluetooth IoT with STM32

URL: https://docs.leafony.com/en/examples/advanced/stm32-mcu/stm32/stm32_webbluetooth_iot/

Description / headings (excerpt): What to prepare / Sample app source code / Leafony Configuration / Assembly

Table of contents

This sample is an STM32 implementation of the one introduced in the Basic Kit Web Bluetooth IoT. The Web Bluetooth application uses the same one as the Basic Kit. For more details, please refer to Web Bluetooth IoT in Basic Kit.

Company and product names mentioned on this website are trademarks or registered trademarks of their respective owners.

What to prepare

STM32 MCU, BLE Sugar, 4-Sensors, CR2032, USB
Windows¹, Mac², or Linux³ PC (for development)
Android⁴, iPhone⁵, iPad⁵ smartphone or tablet
Google Chrome (version 70.0.3526.0 or later)
Arduino IDE, STM32CubeProgrammer software V2.4.0

Sample app source code

Please download both in advance.

Leafony Configuration

In this sample, you can try the following leaf configurations.

Type	Name	Q’ty
AZ62	Connector Cover	1
AI01	4-Sensors	1
AZ01	USB	1
AP03	STM32 MCU	1
AC02	BLE Sugar	1
AV01	CR2032	1
-	CR2032 coin cell battery	1
-	M2*18mm screw	2

Assembly

Assemble the leaves as shown in the figure below.

Pin assignment

Refer to the figure below for the pin assignment of each leaf.

Execution method

Upload STM32_4-Sensors_BLE.ino using Arduino IDE.
Open the downloaded index.html of Web Bluetooth App with Google Chrome.
For details on how to use the web app, refer to Basic Kit Getting Started Guide.

Windows 10 version 1703 or later ↩
OS X Yosemite or later ↩
Kernel 3.19+ and BlueZ 5.41+ installed. ↩
Android 6.0 Marshmallow or later ↩
For iPhone or iPad, WebBLE(paid) is required because Web Bluetooth is not implemented in Chrome for iPhone and iPad. ↩ ↩²