8-CH 12V ULN2003 Based Relay Board MQ-137 NH3 Gas Sensor Module for Ammonia Looking to buy Non-Invasive SCT-013

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then simply press your 8-pin DIP IC into the socket's precision contacts

Press to switch between coarse and fine adjustment modes for rapid yet precise frequency selection in test equipment

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this holder is a must-have for every maker's toolkit

8-CH 12V ULN2003 Based Relay Board MQ-137 NH3 Gas Sensor Module for Ammonia Looking to buy Non-Invasive SCT-0138 CH 12V ULN2003 Based Relay Board Quality electronics from The Engineer Store, Bengaluru. Fast shipping, 7 day warranty on manufacturing defects, expert support. Specifications Feature Details Channels 8 Relay Channels Operating Voltage 12V DC Driver IC ULN2003 (Darlington Array) Type Electronics Component Origin Original Authentic Warranty 7 day warranty on manufacturing defects Support Email & WhatsApp 24 7 Product Overview The 8 Channel 12V