automation: turn off the heater if it’s already hot
The Sonoff POWR2 can be used as the timer on a hot water immersion heater. This model also measures electricity as volts, amps and current. I’ve flashed its wifi chip with different firmware so...
The Sonoff POWR2 can be used as the timer on a hot water immersion heater. This model also measures electricity as volts, amps and current. I’ve flashed its wifi chip with different firmware so...
Domestic hot water can be heated by a gas / oil central heating boiler or by an electrical immersion heater. I choose to take advantage of half-price nighttime electricity and use an immersion heater....
rogerfrost.com is a compendium of ideas for using technology to find answers to sciencey questions. Since 1995 it has provided ideas to school science teachers. Since 2020 we’ve focussed on questions around the home with a new home automation section. So today we look at ways to measure and monitorĀ around the house.
You will find everything here tagged and indexed by topic or technology.
Roger Frost was a writer from 1988 and this web includes many of his articles for magazines and newspapers. They tell how the early Internet developed; how real scientists work and how real people, like you might use technology at home or school.
Do please add a comment to an article or say hi via the social links. Use this content freely and link back here if you can.
More