LP gas leak can be dangerous because it increases the risk of fire or explosion. So there is a simple solution for reduce the risk of fire or explosion. That is LP Gas Leakage Detector. But the problem is original LP Gas Leakage Detector units are pretty much expensive. That’s why I build this my very own LP Gas Leakage Detector for our house. Its looks like very simple but its very very sensitieve for LP Gas Leaks

You designed the circuit? By the way I tried your Software driven Display in your subwoofer system on my pc, Worked like a charm