visitors this year: 608 The Sonoff POWR2 can replace the timer on a hot water immersion heater. This model also measures electricity as volts, amps and current. This feature provides the key to saving...
visitors this year: 577 Dupont leads connect up projects. They come as male to male pin / female to female / male pin to female types. You can solder the male ends to a...
visitors this year: 921 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...
visitors this year: 38 ready dec 2020
visitors this year: 446 A Raspberry Pi is a small low power computer that hopefully has a use that chimes for you. I don’t think you’d want to use a Pi for emails and...
visitors this year: 238 “… It’s an ESP32. Yes but which?” ESPRESSIF is the company that markets chips such as the ESP8266 and ESP32 and ESP32-CAM. Other companies buy those chips and fit them...
visitors this year: 257 There are a variety of camera types to help monitor the drive, a pet, a baby, a device, a bird feeder – whatever. You might want to know what’s eating...
visitors this year: 115 Here’s how to add a little functionality to Home Assistant, the automation platform. Do try this especially if you’re just starting to add features to Home Assistant. speedtestdotnet: scan_interval: hours:...
visitors this year: 945 Travel information can be one of the things you need easy access to. If you have Google Home or Alexa you’ll find it helpful to recall the exact way to...
visitors this year: 364 When you have a few smart devices you meet a need to be able to see them easily. We might have a camera pointed at the front door but it’s...
visitors this year: 1,136 The Xiaomi Mijia sensor runs for ages on a AAA battery and it can be stuck to a wall to show the temperature and humidity. It’s an attractive Bluetooth Low...
visitors this year: 657 The LED striplights in a kitchen use 12v transformers and they are powered through smart plugs / sockets. The sockets are by TP-link – and they remember their on-off state...
visitors this year: 3,764 fit a sensor to the electricity meter for a minute by minute readout The UK electricity meter shows electricity use in kWatt hours, and a human sometimes pops by to...
visitors this year: 80
visitors this year: 5,674 make a heating oil tank level sensor that’s more useful than anything you can buy Some homes use oil as a fuel to keep warm in winter. Over the course...
visitors this year: 196 The Home Assistant sensor graph offers painless autoscaling with options to set detail and timespan. But how do I alter the data itself? A car fuel tank measures in gallons...
visitors this year: 13,304 how much heating oil ought I use each year? Of course it depends but 1000 to 1500 litres a year is a useful figure. Let start with an example (which...
visitors this year: 741 A volume control at hand and ready to turn. Bash the top and the video or track pauses. Double bash to skip to the next track. It’s plug and play,...