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| developmentboard:4_4矩阵键盘模块 [2023/09/04 08:07] – 创建 admin12 | developmentboard:4_4矩阵键盘模块 [2024/11/13 14:14] (当前版本) – 移除 admin | ||
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| - | ====== 4*4矩阵键盘模块 ====== | ||
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| - | WMNologo2023年1月1日...大约 1 分钟 | ||
| - | |||
| - | ===== 概述 ===== | ||
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| - | 4*4电容式矩阵键盘,通过读取模拟量,判读对应的按键值。 | ||
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| - | ===== # 产品实拍 | ||
| - | {{https:// | ||
| - | ===== # 产品参数 | ||
| - | |||
| - | * 工作电压:3.3V~5V | ||
| - | * 模拟传感器 | ||
| - | * 使用PH-2.03P插座 | ||
| - | * 传感器匹配Arduino、Micropython等。 | ||
| - | |||
| - | ===== # 引脚说明 | ||
| - | |||
| - | ^序号^名称^功能描述| | ||
| - | |1|VCC|3V3~5V电源正极| | ||
| - | |2|GND|电源负极| | ||
| - | |3|S|模拟信号输出| | ||
| - | |||
| - | ===== # 产品尺寸 | ||
| - | {{https:// | ||
| - | ===== # 使用教程 | ||
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| - | ==== # Arduino | ||
| - | |||
| - | [[https:// | ||
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| - | 使用示例代码时,需要将库文件放在同一文件夹下。(如下图) | ||
| - | |||
| - | {{https:// | ||
| - | === # 示例代码 | ||
| - | < | ||
| - | ''/ | ||
| - | * WMNologo | ||
| - | * 矩阵键盘 | ||
| - | * | ||
| - | */ | ||
| - | #include " | ||
| - | // 创建对象 | ||
| - | Matrix_buttons Matrix_buttons1; | ||
| - | |||
| - | // 主程序开始 | ||
| - | void setup() { | ||
| - | Serial.begin(9600); | ||
| - | } | ||
| - | void loop() { | ||
| - | // | ||
| - | Serial.println(Matrix_buttons1.get_follow_sensor(A0)); | ||
| - | } | ||
| - | '' | ||
| - | |||
| - | </ | ||
| - | |||
| - | === # 结果 | ||
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| - | 串口打印矩阵键盘对应的数值 | ||
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| - | ==== # Mind+ ==== | ||
| - | |||
| - | [[https:// | ||
| - | |||
| - | {{https:// | ||
| - | ==== # Mixly ==== | ||
| - | |||
| - | 需要扩展可以QQ群联系群主开发 | ||
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| - | ===== # 疑难解答 | ||
| - | |||
| - | 更多问题及有趣的应用,请访问[[https:// | ||
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| - | ===== # 购买链接 | ||
| - | |||
| - | [[https:// | ||
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