The thing is, we already paid that bill years ago. Taxpayers gave something like $200 Billion to the Baby Bell telcos in exchange for the promise of building a broadband network. We paid, then they didn't build it.…
There are cheaper optical water level sensors in the aquarium trade that might work for you. Check out the Tunze Osmolator as an example. It could easily be connected to a GPIO on the pi.
The thing is, we already paid that bill years ago. Taxpayers gave something like $200 Billion to the Baby Bell telcos in exchange for the promise of building a broadband network. We paid, then they didn't build it.…
There are cheaper optical water level sensors in the aquarium trade that might work for you. Check out the Tunze Osmolator as an example. It could easily be connected to a GPIO on the pi.