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如何将 Arduino 设想转化为坚固耐用的工业网络
[导读]如果你曾尝试使用标准的 Arduino 或业余爱好者使用的 LoRa 板来构建工业物联网传感器节点,那你一定深有体会其中的困难。现实中的工业传感器,比如土壤氮磷钾监测器、流量计或气象站,很少使用简单的 I2C 或 SPI 通信方式。它们通常采用 RS485(Modbus RTU)或 ...
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