MQ-131/136/137/138/139 Gas Sensor Module – Ozone H2S NH3 Formaldehyde Detection, Dual Output for Arduino & IoT Projects
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£21.18
MQ-131/136/137/138/139 Gas Sensor Module – Ozone H2S NH3 Formaldehyde Detection, Dual Output for Arduino & IoT Projects
Prices updated 11 Apr 2026
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MQ-131/136/137/138/139 Gas Sensor Module – Ozone H2S NH3 Formaldehyde Detection, Dual Output for Arduino & IoT Projects
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