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Aampheoinampheoelectronic.hashnode.dev·Aug 21, 2025 · 4 min read

How to use MQ-2 gas sensor for smoke detection?

Here’s a practical, no-nonsense guide to using an MQ-2 for smoke detection with Arduino. What the MQ-2 is (and isn’t) Detects: smoke/particulates via combustible gases (LPG/propane, H₂, CH₄, alcohol, etc.). Output is analog (resistance change). No...

Aampheoinampheoelectronic.hashnode.dev·Jul 22, 2025 · 3 min read

How to improve Accuracy & Stability of the BME680

The Bosch BME680 is a 4-in-1 environmental sensor (gas/VOC, humidity, temperature, pressure), but its gas sensing (VOC detection) requires careful calibration and compensation. Below are key strategies to optimize its performance. 1. Hardware Setup ...