how to know when the washing machine has finished
If you need to know when a device, like a dryer or washing machine has completed its work, get a ‘smart plug with energy monitoring‘. Amazon list many of them but whichever brand you...
Tagged: immersion heater
automation: the immersion water heater turns off automatically and wastes no energy when the water is 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...
project: an immersion heater that turns itself when the water is hot – using a Sonoff POW.
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....
