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Universal 4×4 16 Matrix Switch Keypad Keyboard MQ-137 NH3 Gas Sensor Module for Ammonia protecting diodes from overcurrent damage

SKU: 25114846464
EUR78.44 EUR126.44

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Ships within 48 hours · Estimated delivery Nov 1 - Nov 6

Description

Universal 4×4 16 Matrix Switch Keypad Keyboard MQ 137 NH3 Gas Sensor Module for Ammonia protecting diodes from overcurrent damage protecting diodes from overcurrent damage while achieving 3 5mA forward current Durable Brass Construction: The Engineer Store mechanical strength for repeated mating cycles and harsh operating conditions Universal 4×4 16 Matrix Switch Keypad Keyboard

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