Hi, I am new in programming and I need help with a project containing a smoke and LPG gas detector. I chose MQ2 for smoke and MQ6 for LPG but the problem is that MQ2 does not function with smoke and the both sensors work for LPG. The smoke type I want to detect is the one that comes with shortcircuits. I am using Arduino UNO. Can you recommend me appropriate sensors for this circuit please?
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