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基于STM32的电子腕表设计。搭载了MPU6050和温湿度传感器，以及一块1.14寸全彩显示屏。

C++ 0.57% C 95.83% Objective-C 0.55% Assembly 3.04% HTML 0.01%

twantch's Introduction

本项目演示视频：https://www.bilibili.com/video/BV1s54y1C7JV

组成：

单片机：stm32F411ceu6（100Mhz）

电源管理芯片：TP4056

陀螺仪：MPU6050

温湿度传感器：SHT30

蜂鸣器：5020贴片

开关，按键，端口，usb等

https://i1.hdslb.com/bfs/archive/2a736797bfb417b32eb54bc5a4ee55552f306376.jpg@160w_100h_100Q_1c.webp

2020年11月 开始升级第二个版本，watchT V2

保留原有版本的陀螺仪MPU6050，用来实现包括角度查询和计步功能。保留原有的温湿度传感器SHT30和蜂鸣器。

更改芯片选型：

1、充电IC 从TP4056改为使用 TP4054 ，通过设置PROG电阻使其充电电流达到800MAh，手表电池在500MAh的半个小时即可充满；而且IC体积很小且外围电路很少。

2、在降压上设计单片机及其他传感器电压都全都控制在2.5V，IC使用XC6206，屏幕的供电使用3.3V供电。IC使用 TPS709，单片机控制其降压开关。

3、去掉电源开关

4、屏幕改为使用1.3寸TFP LED全彩显示屏，面板大小为26.16*29.22，使用接插样式的引脚封装。

5、更换之前的micro usb为TypeC接口。

新增的功能：

增加蓝牙 JDY-16蓝牙模块

增加NFC PN5321A

增加地磁传感器

增加大气压强传感器

非接触式电容开关 BS812A-1

增加3D打印的外壳

twantch's People

Contributors

tianxiaohuahua avatar

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