fieten_v82

三星44b0处理器的实例，以供参考学习，共同进步！(Samsung processor 44b0 examples for reference learning and common progress!)

用stm32测量血氧饱和度和心率。传感器为max30102。在oled上显示。效果较好(Blood oxygen saturation and heart rate were measured by stm32. The sensor is max30102. Display on oled. get a good effect.)

关于nordic的BLE蓝牙空中升级详细流程(about ble nordic nrf5X dfu update)

件设计思路是利用 MS 的定时器 B 中断执行相应的中断服务程序来产生舵机用多 路 PWM 波.4的 系 统 主 时 钟 频 率 取 8 MHz，设每个定时周期取 250/ =31.25 μs，(The x medium-density performance line family incorporates the highperforfrequency, highspeed embedded memories (Flash memory up toytes), and an extensive range of s and peripherals connected to two APB buses.)

It s library for using SDHC cards with stm32f4xx microcontrollers.

STM32F103伺服驱动器源代码包含各种核心驱动算法(base on STM32F103 servo driver source include many core Algorithm)

硬件平台：STM32F401板子 软件平台：Keil5 功能：实现不同占空比的PWM波输出，通过按键切换输出模式（25%，50%，75%三种占空比模式）同时外接数码管显示当前模式（1，2，3）(Hardware platform: STM32F401 board Software platform: Keil5 Function: realize PWM wave output with different duty ratio, switch output mode by key button (25%, 50%, 75% three duty ratio mode) and display current mode (1, 2, 3).)

恒丰瑞科S3C44B0开发板定时器测试源程序(Hengfeng Ruike S3C44B0 source development board timer test)

基于STM32的应用实例，可以增强对于STM32的应用能力(This pdf have lots of project that base on STM32)

说明：  基于STC12C5A60S2 在LCD12864上实现心率显示 Pulse Sensor 是一款用于心率测量、脉搏波形测量和 HRV 分析的光电反射式模拟传感器。将其佩戴于手指、耳垂等处，通过导线连接可将采集到的模拟信号传输给 Arduino、 STM32 和 STC12C5A 等具有模拟采集功能的单片机并转换为数字信号，再通过单片机的简单计算后就可以得到心率数值(LCD12864 upper heart rate display)