MQ6 with LM393 on board

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hi all.

i have sensor: mq6 + lm393
i have measured electric continuity between gnd pin , vcc pin multimeter. there electric continuity between pins (biiiiiiiii).

i want use vcc , gnd others sensors on same line.

can this?... or have put more electronic before (like op insulation transistor)?

cheers!

the resistance between vcc , gnd 40 ohms (more or less).

what think use lines others sensors?


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