visitors this year: 59 it’s not hard to make use of old or inexpensive 433MHz RF devices so that you can use them with modern smart home devices. For example, a 443MHz bell push...
handling data from experiments / home & garden / monitoring at home
by Roger · Published Mar 2022 · Last modified Mar 2023
visitors this year: 1,684 I know that I ought not leave things powered on. Knowing that is easier than remembering that an e-bike or drone or laptop battery is still connected. Below I show...
visitors this year: 612 two meanings of getting out of sync: Scenario one: You’ve two independently controlled table lamps which you’d prefer to turn on or off together. The lamps could be smart lamps...
visitors this year: 824 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...
visitors this year: 2,163 My other page tells how much heating oil the boiler uses. Here’s how I collect and display energy use measurements around the home. My measurements provide two things – a...
visitors this year: 2,296 Yes. Below you’ll see how to control HomeEasy devices through Home Assistant and the RFlink receiver/transmitter. (This also controls other manufacturers’ wireless sockets). You’ll be able to create timers and...
visitors this year: 457 The need: you use a table light for watching TV and a main (wall) light at other times and you want a coffee table button to switch between one or...
visitors this year: 784 a 3-gang wall switch for your home automation – using eWelink, T4EU1C and Home Assistant I got to a point where I had plenty of ‘smart’ lights and gadgets but...
visitors this year: 33,606 a project to integrate inexpensive 433MHz RF devices with modern smart devices. We’ve brought all the instructions to get going with RFlink on one page. see also: 433MHz smarter letterbox...
visitors this year: 1,825 In a previous project I set up temperature sensors in my room and sent the data via Bluetooth to Home Assistant, the home automation platform. Home Assistant is software that...
visitors this year: 760 ‘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...
visitors this year: 6,032 In this project I control a Sonoff light switch using Home Assistant. You can do the same with other Sonoffs. The switch shown here is the T4EU1C wall plate switch....
visitors this year: 1,128 The regular way to switch a Sonoff relay is to use the official ewelink app. Other ways require you to ‘flash’ the Sonoff device with Tasmota or ESPHome software and...
visitors this year: 2,770 How to make inexpensive, ‘old’ technology, 433MHz devices work with today’s smart devices see also: 433MHz smarter letterbox RF sensors and receivers If you’ve used any of the following examples...
visitors this year: 1,137 see also more about 433MHz devices The letterbox is five doors and fifty metres from my desk. The uncertainty of the postie arriving in the afternoon means that I make...
visitors this year: 1,134 ‘own’ your own devices THE FOLLOWING PROCESS IS STILL USEFUL – HOWEVER SONOFF DEVICES CAN WORK WITHOUT MODIFICATION IN HOME ASSISTANT (SEE HERE) AND THE EWElink app. THE ADVANTAGE OF...
visitors this year: 1,140 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...
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