When notes stuck to the water heater failed [Ryan] decided to whip up “the world’s most expensive 240V relay” using a servo, a real time clock ... a holiday switch keep the heater off ...
In the world of gardening, regulating critical assets such as light can yield vast benefits for your efforts. Utilizing these elements to autoregulate light in your garden is a prime benefit ...
If you’ve ever seen a mechanical version of an astronomic timer switch, packed full of gears and dials and setting pins, you can really appreciate a no-moving-parts solutions like this project.