The project is a level indicator for a water tank, which contains a magnet floating in a plastic bottle. This has previously been used to trigger a reed switch that controls the refill pump. To those reed switches he adds a row of flipdots, but these aren’t the commercial dots you mig...
Founder of @Hefengcloud / Maintainer of @senluoshe / Full Stack Developer (Django & React & Flutter) - liangfeidotme
c Tube X will go yellow because exhaled breath contains a lot of carbon dioxide and this lowers the pH and makes the indicator turn yellow. (Tube Y will also go yellow after a while, as it absorbs the small amounts of carbon dioxide in the air...
because a stupid fucking dipshit idiot driver whipped across three lanes without signaling to gain a car length while I was — with my turn indicator on because oh my fucking god why is that so hard for you people to do — safely changing lanes like an adult. I yanked my wheel back ...