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The flex PCB is really floppy
3V-5V Security systems By detecting changes in light patterns
FEATURES: Audio input mode: 1 Bluetooth receiver 2
and support for conductive thread
MQ-7 Carbon Monoxide Gas Sensor - Analog Module arduino mega The flex PCB is reallyDetect Gas Changes with a Practical Air Sensor The Carbon Monoxide Analog Sensor MQ7 For Arduino is a gas sensor with analog output designed for air quality projects, leak alerts, and ventilation monitoring. It is a practical fit for makers, students, and engineers who want reliable sensor data in embedded builds. Key details include Power supply needs: 5V; Interface type: Analog; Size: 40x20mm(1. 57"x0. 79"). Important: Most gas and chemical sensors
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