In case your toilet roll dispenser did not come with a template, position your brackets against the wall and mark the drill ...

Anyone who shares a bathroom with others knows that not everyone in the house will always change the toilet ... a freshly opened roll hanging out on a shelf rather than the dispenser.

And to that end, we present his IoT toilet sheet tracker. His 3D printed roll holder has a Hall effect sensor that counts revolutions of the roll and sends it to a NodeMCU. The number of sheets ...