So since nostr:nprofile1qyxhwumn8ghj7mn0wvhxcmmvqyv8wumn8ghj7urjv4kkjatd9ec8y6tdv9kzumn9wsqzqpxfzhdwlm3cx9l6wdzyft8w8y9gy607tqgtyfq7tekaxs7lhmxf5dcd8v had been talking about the CO2 detectors somewhat...