So I believe anyone who has similar situation (like gas boiler or other combustion happening inside a living space) should get such sensor to prevent something bad from happening.Īll that happened two weeks ago, since then I improved schematics and program quite a lot, and now it seems to be reasonably good and relatively simple (not 3-lines-of-code simple, but still). It turned out that CO levels there were extremely high, and could be fatal if CO exposure time were longer. So we spent about 12 hours for developing schematics, making and printing 3d case, testing and calibrating the sensor, and the next day went to the suspicious boiler. After an hour of searching internet for any instructions, I realized that I can't find any guide that at the same time follows sensor manufacturer's instructions provided in its datasheet and explains anything at all (one example seemed to have quite good code, but it wasn't clear how to apply it, others were oversimplified and wouldn't work well). We recently bought MQ-7 CO sensor, but never had time to assemble a schematics for it, so this was the perfect time to do so. The next day we had an idea: it could have been CO poisoning, since she has gas water boiler (on the photo), and was sitting close to it for the whole evening when it happened. She got hospitalized and in the morning she felt almost well, but doctors weren't able to find the cause of it. She lives in a small village far away from hospitals (60 km from our place, 30 km to the closest hospital, 10 km without any normal road in between), so we rushed to her and got there soon after the ambulance. A few words why this instructable was created: one day my girlfriend's mother phoned us at the middle of the night because she felt really sick - she had dizziness, tachycardia, nausea, high blood pressure, she even fainted for unknown time (probably ~5 minutes, but there is no way to tell), all without any apparent reason.
0 Comments
Leave a Reply. |
Details
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |