空气质量传感器 The MQ-9B is a CO and CH gas-detection sensor from Winsen. The sensing material of the MQ-9B is SnO2 which has a low conductivity in clean air. It detects carbon monoxide (1.5V) by cycling between high and low temperatures. The sensor s conduct
- SEN-17050
- SparkFun
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1:
¥53.7654
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10库存量