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post/RP2350VR手套.md

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---
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title: RP2350VR手套
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date: 2025-5-24 14:46
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description: 使用RP2350制作VR手套
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image: "../public/assets/images/glove1.jpg"
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category: 记录
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tags:
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- 物联网
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- 嵌入式
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- vr
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published: true
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sitemap: true
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---
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也是非常荣幸能评测beetle RP2350啊,板子到手第一感觉就是非常迷你,只有一个硬币大小,很符合其嵌入式穿戴设备的定位。
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![glove1](../public/assets/images/glove1.jpg)
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但是麻雀虽小五脏俱全,RP2350的功能却是非常强大。如 双 Cortex-M33 核心,运行频率 150MHz,支持浮点运算单元 FPU,增强的安全性和加密功能,集成 RGB LED、2MB Flash、520kB SRAM 和 19 个多功能 GPIO(模拟、数字、I²C、UART、SPI、PWM。还有着相当低的功耗。
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RP2350可以直接在arduino中编写上传代码,也可以使用micropy,我这里就使用arduino作为测试了!
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RP2350没有官方的arduino库,所以我们需要手动添加社区大佬的库:
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点击文件→首选项
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![glove2](../public/assets/images/glove2.jpg)
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在其他开发板管理器地址中输入<https://github.com/earlephilhower/arduino-pico/releases/download/global/package_rp2040_index.json>
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![glove3](../public/assets/images/glove3.jpg)
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然后就可以在开发板管理器中搜到RP2350了!我们点击安装!
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![glove4](../public/assets/images/glove4.png)
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到手第一件事当然是点灯测试:
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```ino
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int useBin = 25;
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void setup() {
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pinMode(useBin, OUTPUT);
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}
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void loop() {
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digitalWrite(useBin, HIGH);
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}
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```
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不得不说这块板子不仅迷你,标注也很清晰,一眼就能看到LED的引脚编号
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![glove5](../public/assets/images/glove5.jpg)
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然后是串口测试:
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```ino
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int usePin = A0;
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void setup() {
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Serial.begin(9600);
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}
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void loop() {
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String a = Serial.readString();
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a.trim();
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if(a.equals("")){
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return;
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}
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Serial.println("user input:"+a);
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if (a.startsWith("hello")) {
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Serial.println("hi");
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} else {
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Serial.println("???");
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}
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}
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```
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![glove6](../public/assets/images/glove6.png)
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也是十分顺利了。
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最后是重点:VR手套的实现:
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基于大佬的开源项目:<https://github.com/LucidVR/lucidgloves>
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原理是通过线缆拉动电位器实现电阻变化,封装为数据包,通过串口与pc交互,实现vr手套。
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项目实现需要自己3d打印组件,去tb上双手还是比较贵的,要160左右,有打印机的朋友推荐自己打,打印件地址位于:<https://pan.baidu.com/s/13fnd0DoCyKVVMZP_ibvFpA?pwd=4h4x>
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![glove7](../public/assets/images/glove7.jpg)
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其实这里应当是每根手指都有一个的,有个滑轮顶盖商家看错了打少了,只打了一个,就是下面这个:![glove8](../public/assets/images/glove8.png)这两天还在加紧补发呢,等到了之后会及时更新的!暂时就只能先演示一根手指的了
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其他打印件:![glove9](../public/assets/images/glove9.jpg)
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项目原本是基于arduino nano的,所以要在咱们的2350上运行需要做一点小小的修改(主要是引脚)。项目有一定复杂度(不算很复杂)这里就只贴部分需要修改的代码了:
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在lucidgloves-firmware.ino中:
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将下方的引脚定义添加一个elif修改为你需要的引脚,我这里只设置了拇指为26。其他的力反馈,摇杆,可以根据自身情况修改
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```ino
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#elif defined(ARDUINO_GENERIC_RP2350)
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#define PIN_PINKY 1
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#define PIN_RING 1
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#define PIN_MIDDLE 1
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#define PIN_INDEX 1
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#define PIN_THUMB 26
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#define PIN_JOY_X 16
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#define PIN_JOY_Y 18
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#define PIN_JOY_BTN 19
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#define PIN_A_BTN 19
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#define PIN_B_BTN 19
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#define PIN_TRIG_BTN 19 //unused if gesture set
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#define PIN_GRAB_BTN 19 //unused if gesture set
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#define PIN_PNCH_BTN 19 //unused if gesture set
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#define PIN_CALIB 19 //button for recalibration
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#define DEBUG_LED LED_BUILTIN
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#define PIN_PINKY_MOTOR 19 //used for force feedback
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#define PIN_RING_MOTOR 19 //^
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#define PIN_MIDDLE_MOTOR 19 //^
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#define PIN_INDEX_MOTOR 19 //^
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#define PIN_THUMB_MOTOR 19 //^
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#define PIN_MENU_BTN 19
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#endif
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```
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然后是AdvancedConfig.h中,需要手动设置最大模拟值,取消这行注释并自己设置一个值。
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```ino
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#define ANALOG_MAX 1023
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```
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遗憾的是,2350只支持4个模拟引脚。但它真的非常迷你,很喜欢的一款开发板!
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<video id="video" >
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<source id="mp4" src="https://cf-obj-01.62987d3702b4b057c6cae44e429bbc1f.r2.cloudflarestorage.com/videosKgkoAz-gloves.mp4?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=c5f4821b30bcb9b7a6eb4bc4d94f54b8%2F20250524%2Fauto%2Fs3%2Faws4_request&X-Amz-Date=20250524T063754Z&X-Amz-Expires=3600&X-Amz-Signature=e2082b91a02e7aac911e5cc46253296c53d3c4a68a91c18b7b17ef6310032f76&X-Amz-SignedHeaders=host&response-content-disposition=inline%3B%20filename%3D%22videosKgkoAz-gloves.mp4%22&response-content-type=video%2Fmp4&x-id=GetObject" type="video/mp4">
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</videos>

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