I got to a point where I had plenty of ‘smart’ lights and gadgets but few switches. But then I found a 3-gang version of the T4EU1C wall plate switch. It works over wifi...
We use inexpensive, ‘old’ technology, 433MHz devices as well as modern smart devices see also: 433MHz smarter letterbox how to set up RFlink so that it will read your RF sensors The easiest ready-to-roll...
In a previous project I set up temperature sensors in my room and fed the data via Bluetooth to Home Assistant, the home automation platform. This software records the measurements and plots them on...
‘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 combination oven, fan heater...
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. It works over wifi...
The regular way to switch a Sonoff relay is to use the official ewelink app – however Home Assistant doesn’t* work with ewelink. Other ways require you to ‘flash’ the Sonoff device with Tasmota...
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 you probably own some...
see also more about 433MHz devices The letterbox is five doors and fifty metres from my desk. The uncertainty of the post lady arriving in the afternoon means that I make wasted journeys to...
Software which allows you to ‘own’ your devices ESPhome can be used to reprogram a ESP chip so that Home Assistant can control it. I use it to re-program a Sonoff S20 smart plug...
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. It mostly shows how technology helps find answers to science questions. A home automation section for makers asks those questions around the house. Those who teach science will find every idea here indexed to save your time.
Roger Frost was a copywriter from 1988 to 2016 and this web includes many of his articles. They tell how the early Internet developed; how real scientists work and how real people, like you might use science & technology at home or school. Send a hi via the social links or add a comment to an article. Please use this content freely and link back here if you can.
More
