MQ-2 Gas Sensor Module For H2, LPG, CH4, CO, Smoke or Propane Detector Module ( Pack of 25) Mornsun LM35-10D0524-10 AC/DC 35W Enclosed Switching Power Supply Do I need to solder

Do I need to solder headers myself

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MQ-2 Gas Sensor Module For H2, LPG, CH4, CO, Smoke or Propane Detector Module ( Pack of 25) Mornsun LM35-10D0524-10 AC/DC 35W Enclosed Switching Power Supply Do I need to solderMQ 2 Gas Sensor Module For H2, LPG, CH4, CO, Smoke or Propane Detector Module (Pack of 25) Quality electronics from The Engineer Store, Bengaluru. Fast shipping, 7 day warranty on manufacturing defects, expert support. Product Overview The MQ 2 Gas Sensor Module is a versatile, highly sensitive semiconductor gas sensor designed to detect multiple hazardous gases in one compact unit. This bulk pack of 25 modules is ideal for professionals, hobbyists,