If you're looking to reduce the amount of time you spend in the shower, this DIY setup starts a timer automatically as soon as you close the door. If you catch yourself just standing under the hot ...
Runner and Arduino enthusiast Nikodem Bartnik has created a DIY 100m sprint timer which is placed at the finish line and signals the start of timing via an audible bleep from its integrated speaker.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results