The investigation of the MQ4 breakout board shows its central role in the detection of natural gas and methane (CH4) in the air. As a precise instrument for measuring gas concentrations, it is used in various environments to ensure safety and monitoring. https://elecena.pl/product/25868643/333104-developer-boards-gas-sensor-natural-gas-amp-methane-mq-4 2024-05-14 https://elecena.pl/product/25868643/333104-developer-boards-gas-sensor-natural-gas-amp-methane-mq-4 2025-04-07