how to know when the washing machine has finished
visitors this year: 678 If you need to know when a device, like a dryer or washing machine has finished working, get a ‘smart plug with energy monitoring‘. Amazon list many of them but...
Tagged: pow2
project: plug-in energy meter with graphs of energy use over time
visitors this year: 652 ‘Smart meters’ and metering devices usually measure the electricity used by the whole house*. However I prefer to pay attention to the electricity used by individual devices, such as a...
project: an immersion heater that turns itself when the water is hot – using a Sonoff POW relay.
visitors this year: 899 Domestic hot water can be heated by a gas or oil central heating boiler or by an electrical immersion heater. I take advantage of half-price nighttime electricity and use an...
