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MiniRover-Hardware

自制火星车的开源资料。

注意:原仓库目前是Android APP的源码,硬件相关的文件移到本仓库。

演示视频:https://www.bilibili.com/video/BV1ZA411e7Ff

文件结构说明

  • Hardware:source里面是电路原理图和PCB文件,使用Altium Designer打开;release里面是gerber文件可以直接发给厂家打样,也包含了元器件BOM表。
  • Firmware:ESP32的固件源码,包括Camera的驱动、jpeg-stream的web-server、电机驱动、ToF的ADC读取等等。
  • Android:一个用于和ESP32通信并通过WiFI图传显示在手机上的Android Sample代码,不是视频中演示的那个APP,视频中演示的APP源码整理出来挪到了原仓库
  • Docs:相关IC的Datasheet。

关于MCU方案

ESP32是乐鑫继ESP8266后推出的另一款32位集成WiFi功能的微控制器,比ESP8266强大很多,可以用来开发更加复杂的应用。本项目中使用的是ESP32-PICO D4,该芯片具有下列特点:

  • WiFi支持 802.11 b/g/n,802.11 n (2.4 GHz) 速度高达 150 Mbps;
  • 支持蓝牙 v4.2 完整标准,包含传统蓝牙 (BR/EDR) 和低功耗蓝牙 (BLE);
  • 32位双核处理器,CPU正常工作速度为80MHz,最高可达240MHz,运算能力高达 600 MIPS;
  • 内置 448 KB ROM;
  • 内置520 KB SRAM;
  • 最大支持 16 MB 片外 SPI Flash;
  • 最大支持 8 MB 片外 SPI SRAM;

ESP32开发方式蛮多样的,下面几个是比较常用的:

我在项目中是使用Arduino的方式,采用Visual Studio的Arduino插件开发。

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