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市面上有这些功能的单片机卖吗?
source link: https://www.v2ex.com/t/862621
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CPU STM32 或者 arduio
电源 12-24V 宽电压供电
LED 灯 工作状态指示 电源指示灯和工作状态指示灯
串口 下载程序和调试 type-c
RS485 接传感器和串口屏
通用 IO 控制设备和检测输入故障 4-8 个 24V 输出
flash 存储数据
WiFi/有线网口 数据上传云平台 WiFi 可外接天线
防水外壳 防水防潮
市面上的开发版要么很多多余的功能要么只提供 5v 的电压,请问有没有提供 24v 电压又满足我上面这些要求的板子?
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