# RA4M2_IOT **Repository Path**: CoreMaker/RA4M2_IOT ## Basic Information - **Project Name**: RA4M2_IOT - **Description**: RA4M2_IOT - **Primary Language**: Unknown - **License**: AFL-3.0 - **Default Branch**: main - **Homepage**: None - **GVP Project**: No ## Statistics - **Stars**: 0 - **Forks**: 0 - **Created**: 2025-05-20 - **Last Updated**: 2025-06-22 ## Categories & Tags **Categories**: Uncategorized **Tags**: None ## README # Overview - **Name**: RA4M2_IOT - **MCU**: R7FA4M2AD3CFL#AA0 - **IDE**: E2STUDIO # Contact Information - **Name**: Billy - **交流群**: 925643491 - **Email**: a845656974@outlook.com - **Phone**: +86 15622736378 - **CSDN Blog**: [Blog](https://blog.csdn.net/xinzuofang) - **Video**: [Video](https://space.bilibili.com/3546563710290070) # Buy Link [https://shop192352884.taobao.com/](https://shop192352884.taobao.com/) # Image ![输入图片说明](image.png) ![输入图片说明](image1.png) ![输入图片说明](image2.png) # Project Introduction - **RA4M2_IOT_Project0**:RA4M2开发IOT(0)----安装e² studio - **CSDN Blog**:[https://coremaker.blog.csdn.net/article/details/148815905](https://coremaker.blog.csdn.net/article/details/148815905) - **Video**:[https://www.bilibili.com/video/BV1AvTEzoEmy/](https://www.bilibili.com/video/BV1AvTEzoEmy/) 瑞萨电子灵活配置软件包 (FSP) 是用于嵌入式系统设计的高质量增强型软件包，支持瑞萨电子 RA 产品家族 Arm 微控制器，提供用户友好的界面且可灵活扩展，确保从入门级到高性能的整个 RA 微控制器的软件兼容性。 在全新 Arm® TrustZone® 和其他高级安全功能的支持下，FSP 提供一种快速、通用的方式，使用量产级驱动程序、Azure RTOS、FreeRTOS™ 和其他中间件协议栈来构建安全、互联的物联网设备。 下载地址：https://www.renesas.cn/zh/software-tool/flexible-software-package-fsp#overview Renesas Flexible Software Package (FSP) is a high-quality, enhanced software package designed for embedded system development. It supports the Renesas RA family of Arm microcontrollers, offering a user-friendly interface and flexible extensibility to ensure software compatibility across the entire RA MCU lineup—from entry-level to high-performance devices. With support for Arm® TrustZone® and other advanced security features, FSP provides a fast and unified approach to building secure and connected IoT devices using production-grade drivers, Azure RTOS, FreeRTOS™, and other middleware protocol stacks. Download link: https://www.renesas.cn/zh/software-tool/flexible-software-package-fsp#overview - **RA4M2_IOT_Project1**:RA4M2开发IOT(1)----点亮LED灯 - **CSDN Blog**:[https://coremaker.blog.csdn.net/article/details/148815998](https://coremaker.blog.csdn.net/article/details/148815998) - **Video**:[https://www.bilibili.com/video/BV1AvTEzoEmy/](https://www.bilibili.com/video/BV1AvTEzoEmy/) 点亮 LED 是 RA4M2 系列开发的“Hello World”。通过创建一个最小工程，让板载 LED 亮起来。 Lighting up an LED is the "Hello World" of RA4M2 series development. By creating a minimal project, the onboard LED is turned on. - **RA4M2_IOT_Project2**:RA4M2开发IOT(2)----Programmer烧录程序 - **CSDN Blog**:[https://coremaker.blog.csdn.net/article/details/148819217](https://coremaker.blog.csdn.net/article/details/148819217) - **Video**:[https://www.bilibili.com/video/BV1gHTEziEJA/](https://www.bilibili.com/video/BV1gHTEziEJA/) Renesas Flash Programmer是一款支持开发和批量生产阶段写入的软件，具有简单的 GUI，即使是初学者也能简单操作进行写入。 运行环境支持Windows、Linux、macOS。 这里使用Renesas Flash Programmer软件进行下载。 下载链接： https://www.renesas.cn/zh/software-tool/renesas-flash-programmer-programming-gui Renesas Flash Programmer is a software tool that supports programming during both development and mass production stages. Featuring a simple graphical user interface (GUI), it allows even beginners to perform programming tasks with ease. It is compatible with Windows, Linux, and macOS operating systems. In this case, the Renesas Flash Programmer is used for downloading the program. Download link: https://www.renesas.cn/zh/software-tool/renesas-flash-programmer-programming-gui - **RA4M2_IOT_Project3**:RA4M2开发IOT(3)----配置串口 - **CSDN Blog**:[https://coremaker.blog.csdn.net/article/details/148819598](https://coremaker.blog.csdn.net/article/details/148819598) - **Video**:[https://www.bilibili.com/video/BV1GcTHzmECz/](https://www.bilibili.com/video/BV1GcTHzmECz/) printf 是 C 语言中常用的输出函数，广泛应用于各种嵌入式、桌面应用程序和调试过程中。这些函数可以将格式化的数据输出到标准输出（如控制台）或存储到字符串中。在系统开发中，了解它们的底层实现不仅能够帮助优化性能，还能提高代码的可移植性和灵活性。 printf is a commonly used output function in the C programming language, widely applied in embedded systems, desktop applications, and debugging processes. These functions can output formatted data to standard output (such as the console) or store it in a string. In system development, understanding their underlying implementation not only helps optimize performance but also enhances code portability and flexibility. - **RA4M2_IOT_Project4**:RA4M2开发IOT(4)----MEMS读取数据 - **CSDN Blog**:[https://coremaker.blog.csdn.net/article/details/148819667](https://coremaker.blog.csdn.net/article/details/148819667) - **Video**:[https://www.bilibili.com/video/BV1STTHzkE2e](https://www.bilibili.com/video/BV1STTHzkE2e) 本文围绕瑞萨 RA4M2 单片机对 ST LSM6DSV16X 六轴 IMU 的完整读取链路，梳理从硬件连线到上层展示/上报的关键步骤与设计要点。 This article focuses on the complete data acquisition chain between the Renesas RA4M2 microcontroller and the ST LSM6DSV16X six-axis IMU, outlining the key steps and design considerations from hardware wiring to upper-layer data display and reporting. - **RA4M2_IOT_Project5**:RA4M2开发IOT(5)----读取单双击 - **CSDN Blog**:[https://coremaker.blog.csdn.net/article/details/148819744](https://coremaker.blog.csdn.net/article/details/148819744) - **Video**:[https://www.bilibili.com/video/BV1xkTszjExu](https://www.bilibili.com/video/BV1xkTszjExu) 在上章读取MEMS基础上，我们去识别 单击 与 双击，为后续菜单切换、模式切换等人机交互做铺垫。 Building on the previous chapter’s MEMS data acquisition, we now implement single-tap and double-tap detection, laying the groundwork for human-machine interactions such as menu navigation and mode switching. - **RA4M2_IOT_Project6**:RA4M2开发IOT(6)----涂鸦模组快速上云 - **CSDN Blog**:[https://coremaker.blog.csdn.net/article/details/148827141](https://coremaker.blog.csdn.net/article/details/148827141) - **Video**:[https://www.bilibili.com/video/BV1JHTbzjEht/](https://www.bilibili.com/video/BV1JHTbzjEht/) 本方案利用 Renesas RA4M2 MCU 与涂鸦智能预认证 Wi-Fi 模组的深度结合，实现多种传感器数据的云端采集与可视化管理。RA4M2 负责对传感器进行高速采样，并通过 UART接口将整合后的数据流推送给内置涂鸦协议栈的 Wi-Fi 模组。模组通过 TLS 加密通道与涂鸦云平台双向通信，既可将上传的数据点（DP）实时同步至云端，也可接收来自 App 或自建后台的控制指令。 借助涂鸚 IoT 平台，开发者只需在控制台一次性定义数据模型（DP）、下载 MCU 二次开发包并完成少量底层 HAL 实现，即可在几天内完成从硬件到移动端的端到端 Demo，在涂鸦智能 App 或基于 MQTT/HTTP 的自建后台中，可实时监控历史趋势并下发命令。 通过本方案，您可以在 1–2 天内完成硬件、固件与云端的一体化部署，实现任意传感器数据的可视化管理和智能联动。 This solution leverages the deep integration of the Renesas RA4M2 MCU with a Tuya pre-certified Wi-Fi module to enable cloud-based acquisition and visual management of various sensor data. The RA4M2 performs high-speed sampling of sensor inputs and transmits the aggregated data stream to the Wi-Fi module—equipped with a built-in Tuya protocol stack—via a UART interface. The module establishes a bidirectional TLS-encrypted connection with the Tuya Cloud Platform, allowing real-time synchronization of uploaded Data Points (DPs) to the cloud, as well as reception of control commands from the app or a custom backend. With the Tuya IoT platform, developers only need to define the data model (DP) once in the console, download the MCU SDK, and implement minimal low-level HAL code. This enables the completion of an end-to-end demo—from hardware to mobile application—within just a few days. Using the Tuya Smart App or a custom backend based on MQTT/HTTP, users can monitor historical trends in real time and issue commands accordingly. With this solution, a fully integrated deployment of hardware, firmware, and cloud services can be completed within 1–2 days, enabling visualized management and intelligent interaction for any type of sensor data. - **RA4M2_IOT_Project7**:RA4M2开发IOT(7)----RA4M2驱动涂鸦CBU模组 - **CSDN Blog**:[https://coremaker.blog.csdn.net/article/details/148828911](https://coremaker.blog.csdn.net/article/details/148828911) - **Video**:[https://www.bilibili.com/video/BV14bMmz7ETD](https://www.bilibili.com/video/BV14bMmz7ETD) 本方案利用 Renesas RA4M2 MCU 与涂鸦智能预认证 Wi-Fi 模组的深度结合，实现多种传感器数据的云端采集与可视化管理。RA4M2 负责对传感器进行高速采样，并通过 UART接口将整合后的数据流推送给内置涂鸦协议栈的 Wi-Fi 模组。模组通过 TLS 加密通道与涂鸦云平台双向通信，既可将上传的数据点（DP）实时同步至云端，也可接收来自 App 或自建后台的控制指令。 借助涂鸚 IoT 平台，开发者只需在控制台一次性定义数据模型（DP）、下载 MCU 二次开发包并完成少量底层 HAL 实现，即可在几天内完成从硬件到移动端的端到端 Demo，在涂鸦智能 App 或基于 MQTT/HTTP 的自建后台中，可实时监控历史趋势并下发命令。 通过本方案，您可以在 1–2 天内完成硬件、固件与云端的一体化部署，实现任意传感器数据的可视化管理和智能联动。 This solution leverages the deep integration of the Renesas RA4M2 MCU with a Tuya pre-certified Wi-Fi module to enable cloud-based acquisition and visual management of various sensor data. The RA4M2 is responsible for high-speed sampling of sensors and transmits the aggregated data stream to the Wi-Fi module—equipped with an embedded Tuya protocol stack—via a UART interface. The module communicates bidirectionally with the Tuya Cloud Platform over a TLS-encrypted channel, enabling real-time synchronization of uploaded Data Points (DPs) to the cloud and reception of control commands from the app or a custom backend. With the Tuya IoT platform, developers only need to define the data model (DP) once in the console, download the MCU SDK, and implement a small amount of low-level HAL code. This allows completion of an end-to-end demo—from hardware to mobile application—within just a few days. In the Tuya Smart App or a custom MQTT/HTTP-based backend, users can monitor historical data trends in real time and issue commands as needed. With this solution, you can complete the integrated deployment of hardware, firmware, and cloud services within 1–2 days, enabling visualized management and intelligent control of any sensor data. - **RA4M2_IOT_Project8**:RA4M2开发IOT(8)----IIC驱动OLED - **CSDN Blog**:[https://coremaker.blog.csdn.net/article/details/148829084](https://coremaker.blog.csdn.net/article/details/148829084) - **Video**:[https://www.bilibili.com/video/BV15EMbzGEy7](https://www.bilibili.com/video/BV15EMbzGEy7) 本章旨在通过 I²C 接口驱动 OLED 显示屏（常见型号如 SSD1306），实现图形和文本的显示功能。OLED 屏幕具有低功耗、自发光、对比度高等优点，适用于嵌入式人机界面显示。 This chapter aims to drive an OLED display (commonly using the SSD1306 controller) via the I²C interface, enabling both graphical and text display functions. OLED screens offer advantages such as low power consumption, self-emission, and high contrast, making them well-suited for display in embedded human-machine interface (HMI) applications. - **RA4M2_IOT_Project9**:RA4M2开发IOT(9)----动态显示MEMS数据 - **CSDN Blog**:[https://coremaker.blog.csdn.net/article/details/148829334](https://coremaker.blog.csdn.net/article/details/148829334) - **Video**:[https://www.bilibili.com/video/BV1aENbzhEYN](https://www.bilibili.com/video/BV1aENbzhEYN) 本工程在瑞萨 RA4M2 单片机上，利用 0.96ʺ 128×64 OLED 实时展示多源信息，并把 涂鸦状态和LSM6DSV16X 六轴 IMU 的运动数据（单/双击、温度、三轴加速度）以“无闪烁”方式动态刷到屏幕。 This project, based on the Renesas RA4M2 microcontroller, uses a 0.96ʺ 128×64 OLED display to present multi-source information in real time. It dynamically updates the screen without flicker to show the Tuya module status and motion data from the LSM6DSV16X six-axis IMU, including single/double tap detection, temperature, and 3-axis acceleration. - **RA4M2_IOT_Project10**:RA4M2开发IOT(10)----集成LPS22DF气压计 - **CSDN Blog**:[https://coremaker.blog.csdn.net/article/details/148830559](https://coremaker.blog.csdn.net/article/details/148830559) - **Video**:[https://www.bilibili.com/video/BV1DjNmzyEuV](https://www.bilibili.com/video/BV1DjNmzyEuV) 本篇文章将延续现有 “动态显示 MEMS 数据” 的框架，在同一条 I²C 总线上新增 LPS22DF 数字气压计。 项目将具备 惯性 + 气压 的完整环境感知能力，并且借助涂鸦平台可快速把本地大气数据同步到云端，为室内气候监测、爬山/无人机高度预警等场景奠定基础。 This article builds upon the existing framework of "dynamically displaying MEMS data" by adding the LPS22DF digital barometer to the same I²C bus. The project will thus feature a comprehensive environmental sensing capability that combines inertial and barometric data. Leveraging the Tuya platform, local atmospheric pressure readings can be quickly synchronized to the cloud, laying the groundwork for applications such as indoor climate monitoring, mountain climbing, and altitude alerts for drones. - **RA4M2_IOT_Project11**:RA4M2开发IOT(11)----ADC检测电压 - **CSDN Blog**:[https://coremaker.blog.csdn.net/article/details/148831872](https://coremaker.blog.csdn.net/article/details/148831872) - **Video**:[https://www.bilibili.com/video/BV1TrN2zzEst](https://www.bilibili.com/video/BV1TrN2zzEst) 在上一章基础上，项目再接入一个 10 kΩ 线性滑动变阻器 并利用 RA4M2 片上 12-bit ADC 测量滑柄输出电压。 Building on the previous chapter, this project adds a 10 kΩ linear slide potentiometer and uses the RA4M2’s on-chip 12-bit ADC to measure the output voltage from the slider.