1、实验材料: ESPDUINO模块,FC-22有害气体检测空气质量传感器模块-蓝+银电源模块,杜邦线4根; 2、硬件连接: VCC、GND接ESPDUINO模块5v电源,和GND管脚,DO接数字I/O口(本次实验接D4口),AO接模拟I/O口A0; 3、 ...
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