I now live in a house with an electric water heater which warms the temperature on the fly to the temperature we set on the display, provided it’s not too cold. But in the past, I lived in colder climates with water pre-heated in a hot water tank, and accessibly from most taps in the house. Each time I took a shower I had to adjust the cold and hot water taps, wait a bit, and do further adjustments to get the right temperature, not too cold, not too hot.
I’ve just come across a little gadget that you ease this process as it display the water temperature on an LCD display. Installation looks fairly easy, and there’s no need for batteries as it’s self powered with the flow of water. Some of the key features of the device include:
- Display – 360 degree rotatable & waterproof LED display design: and waterproof design for better viewing
- Sensor – High-precision temperature sensor with 0 to 100°C range, 0.5°C accuracy
- Power – No batteries required: the device harvests its energy from the water flow
- Dimensions – 8.10 x 8.06 x 3.00 cm; screw nut size: 1/2 inch
- Weight – 160 grams
- Materials: ABS, PC
None of sites I’ve checked clearly mention how energy harvesting works here, but I assume water may make a small wheel turn to generate enough electricity to display temperature on the LCD.
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