Seriously... This unit was supposed to be able to detect farts and then quench them with chemical aroma on demand. Well it did until I broke the sensor (not with a fart).
I'm not sure if these are still available in other countries, but they weren't on the shelves long here.
The circuitry is interesting, but bizarre. In hindsight I could have emulated the sensor with a variable resistor and seen how it affected the other circuitry, but as it is probably only switched on briefly at an unknown timing it would have taken a long time to catch it in the act. It may also test in very short time bursts, so without a data logger it would have been tricky.
The design of the circuitry is surprisingly complex and makes me wonder if they just squeezed the max out of a basic function chip to keep costs low.
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