3.1 控制项 JSON 格式逐字段讲解 control_pwm.json 是一个 JSON 数组，数组中每个对象对应控制面板里的一项。 固件注释提示的用法是： 在控制面板点击“import”，选择 control_pwm.json ，之后即可一键发送 Start / Stop 或用滑杆调节 a0~a255。 以其中两个条目为例： ...

本内容遵循CC 4.0 BY-SA版权协议 做无线手柄这件事，我前前后后折腾过好几版。最早用 Arduino Pro Micro 加 HC-05 蓝牙模块，延迟高得离谱，玩个横版过关游戏角色能慢半拍；后来换 nRF52832，BLE 原生支持确实好，但开发环境太折腾，每次编译烧录都要跟工具链斗智斗勇。

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