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Duotone panel — violet briefing on the left, lime-sealed detail sheet on the right.
MQ 4 Natural Gas Sensor Module For Methane(CNG) gas Detector Module T 66 Continuity Tester With 2 Button Cell 64 mm x 25 mm 64 mm x 25 mm Weight ~32 g Form Factor Arduino MKR standard Crypto Chip ATECC508A (hardware based secure authentication) USB Connector Micro USB (programming & power) Type IoT Development Board LoRa Origin 100% Original Authentic Arduino Warranty 7 day warranty on manufacturing defects Support Email & WhatsApp 24 7 Why Choose the Arduino MKR WAN 1300 Prototyping courses MQ 4 Sensor Module (Pre calibrated) Quick Start Guide Technical Datasheet Support Materials Applications
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