Category: home & garden

time of flight sensor VI53L0X mounting and calibration

Oct 2022

water or oil tank level – mount and calibrate a Vl53L0X time of flight sensor

a tank level sensor that’s more useful than anything you can buy This post shows the housings I used for a sensor to measure oil and water levels. The sensor is a VL53L0X time...

monitor oil or water tank liquid level with a time of flight sensor

home & garden / monitoring at home

Oct 2022

heating oil tank level – Vl53L0X time of flight sensor version

make a heating oil tank level sensor that’s more useful than anything you can buy can measure oil level in any unit – litres, kWh, gallons or days until I need to refill the...

home & garden / monitoring at home

Sep 2022

using outdoor IP cameras for home security and monitoring: PoE

tips on choosing cameras and using POE / passive POE and waterproofing the connection. how do I record activity from cameras? Buying a security camera system isn’t just for professionals. A way forward is...

handling data from experiments / home & garden / monitoring at home

Mar 2022

use a smart switch to turn off a lithium battery charger

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 how to turn on...

home & garden / monitoring at home

Feb 2022

this motion detecting night light tells Home Assistant when you pass by

The very popular, but hardly-known Xiaomi nightlight, which lights up a dark space when you pass, now has a ‘smart’ version. A night light is nice on a dark stairway and toe-saving on a...

home & garden

Feb 2022

Cambs & Herts public rights of way

Keep-a-record-of-your-weight-with-Huawei-Smart-Scale-3

home & garden / monitoring at home

Jan 2022

diet: see your weight changes with a Huawei smart weighing scale

A ‘smart scale’ that records my weight to a phone might be seen as ‘gadgety’ and unnecessary but I’m now many months into this and think it’s fabulous. Almost fact: when you’re dieting, a...

home & garden

Jan 2022

Brompton rear rack bag – KlickFix alternative to the front carrier

The good idea to mount a Swytch electric kit battery on the Brompton front luggage block had consequences. I’d lost a bestest way of carrying a bag. Finding an easy-on, easy-off bag for the rear...

Here is how I converted my bicycle to a electric bike using a kit

home & garden / monitoring at home

Jan 2022

convert a bicycle to an ‘e-bike’ or electric powered bike

when you want an e-bike and you don’t want another bike:

home & garden / monitoring at home

Jan 2022

iPad LCD magnifier or microscope for SMD soldering or other close work

, If you’re a casual electronics hobbyist like me, the idea of using a LCD magnifier or microscope may seem attractive. For example this music spectrum display kit requires soldering 240 SMD LEDs, with...

record-exercise-sleep-walking-routes-with-a-fitness-band-and-an-intro-to-Google-Fit

home & garden / monitoring at home

Jan 2022

the Google Fit app helps record walking tracks, sleep, weight, bike rides and calories

topics on this page: what do I eat? how does my weight change? do I get enough sleep? where did I go today? how does my body react to exercise? introducing Google Fit You...

home & garden / monitoring at home

Dec 2021

Huawei watch, Huawei watch fit new and Huawei Band 6 – useful, affordable smartwatches for 2022

If you’re looking for a smartwatch, look at the Huawei Watch / Huawei Band 6 / Huawei Watch Fit New wearables If you’ve yet to get yourself a smartwatch I’ll have a guess at...

home & garden / monitoring at home

Dec 2021

sync Huawei Health watch data into Google Fit; Google Drive or fitness tracker apps like Strava

… I can now see my Huawei health data in Google Fit and Google Drive. The Health Sync app acts as a go-between, and connects Huawei health to several other apps or services. In...

home & garden / monitoring at home

Sep 2021

Robot arms reach out to the Raspberry Pi: this is art

What’s going on? Hec, I’m in a room with robot arms and fingers twitching as they respond to social media. THIS can only be art but it’s art powered by makers. Tucked away is...

home & garden / monitoring at home

Aug 2021

addressable LED light strips put to use

There are LED strip lights where every LED can be doing something different with the result that you can create peculiar effects. You can start with a commercially available kit but after a while...

home & garden

Aug 2021

addressable LED light projects

There are ‘analogue’ LED lights on a tape that do a fine job of creating interesting lighting. All the LED lights on the strip usually do the same brightness or colour. There are also...

home & garden / monitoring at home

Jun 2021

Dim display problem on large LED digital clock

The digits at one end of a large LED clock displayed much more dimly than they ought. I’d say they were about half the brightness – and it was quite a puzzle. The clock...

home & garden

May 2021

Jura coffee machine repairs

… how to service or replace the brewing unit on a Jura coffee machine and other fixes. It might be assumed that if you can afford the BMW of coffee machines, you can afford...

home & garden

May 2021

Cheesecake – Jewish style

Some cheesecakes are set with gelatin and have smooth, jelly-like texture. This cheesecake is baked and sets due to its whipped egg. When chilled it has an appealing dry, soft, crumbly texture. I use...

buying and looking after a garden marquee

home & garden

May 2021

owning a marquee – garden tent

A garden marquee is quite the thing in times not only when only outdoor mixing is allowed but also when you live in a climate with rainy summers. This page collects my experience of...

home & garden

May 2021

Sandstone patio – install, seal and maintain

Here is advice to save money without affecting what you end up with. In short: your patio is going to end up looking like it was going to end up. Many tradespeople have a...

home & garden

May 2021

Countax mower repairs – C600 – year 2008

A page where I record successful repairs as they happen. The parts list on my 2008 C-series is downloadable below. Steering Problem – can’t steer The Countax steering mechanism is surprisingly simple – a...

home & garden / monitoring at home

Feb 2021

how to know when the washing machine has finished

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 whichever brand you get,...

home & garden / monitoring at home

Feb 2021

automated fade up dimmer for analogue LED Strips – using a MOSFET and ESPhome

This ceiling ‘coffer’ is lit by four 5m LED strips cut down to size fitted in 2017. If you wanted really, really bright light, these analogue white LED strips were the thing to get....

home & garden / monitoring at home

Jan 2021

what is the temperature of your oven? how to cook reliably with an inaccurate oven

Ovens may have digital controllers or analogue temperature controllers and cooks seem to have blind faith in their settings. In this household the cooks were burning food so I checked the oven temperature. It...

home & garden / monitoring at home

Jan 2021

how to integrate 433MHz temperature & humidity sensors with Home Assistant

A home automation platform, such as Home Assistant, allows you to make temperature v time graphs using sensors that you might place around the home. Monitoring temperatures allowed me to get my heating devices...

home & garden

Dec 2020

XANES 2606-8 headlamp review and instructions

This insanely bright headlamp / flashlight is excellent for hobbies, camping and cycling. Here are a few instructions to use it well This flashlight (aka torch) requires 2 x 18650 Lithium cells which have...

home & garden / monitoring at home

Nov 2020

coping with 18650 batteries with and without button tops

I discover my bicycle headlamp wasn’t working because some 18650 batteries have a button top. Oh my, that was embarrassing to admit The 18650 ‘battery’, like many batteries, is named according to its dimensions....

home & garden / monitoring at home

Aug 2020

use Google lens to search the Internet using a picture or photo

Here’s what to do when a restaurant asks you to scan a QR code for their track and trace (written in 2020). And here’s how to identify a plant, an animal and lots more....

home & garden / monitoring at home

Jun 2020

T4EU1C and Home Assistant

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 few switches. But then...

home & garden / monitoring at home

Jun 2020

project: plot the temperature of your fridge-freezer, pet home or fermenting wine on a history graph in Home Assistant

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 can record measurements and...

home & garden / monitoring at home

May 2020

recycle laptop 18650 lithium batteries in a DIY power bank

If you could look inside an old replaceable laptop battery pack like this you’d find 4 or 6 cells. Usually the cells are 18mm diameter, 65mm long and are called 18650 lithium batteries. Each...

home & garden / schools technology

May 2020

the buttons to press to reset a Toshiba laptop when the lithium battery can’t be removed easily

Sometimes a laptop goes into a comatose state that no amount of charging or on-offing can end. The solution might be to try the following. If you’re desperate do them all – but then...

home & garden / monitoring at home

Apr 2020

project: plug-in energy meter with graphs of energy use over time

‘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...

home & garden / monitoring at home

Feb 2020

best uses for a smart socket

smart sockets have uses. A smart socket adds a little cleverness to a table lamp or electric heater. The printer upstairs takes five minutes to warm up so switching it on by remote control...

home & garden / monitoring at home

Jan 2020

433MHz smarter letterbox – for when you don’t want to walk to the letter box

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...

home & garden / monitoring at home

Dec 2019

estimate energy bills – the cost of living

This quick post is for anybody wondering how much money they need to put aside for energy. If you don’t use electricity for keeping warm, your summer and winter electricity bills will be similar....

home & garden / monitoring at home

Nov 2019

smart sockets vs smart bulbs – introduction

smart bulbs and sockets have select uses. A smart socket adds a little on/off cleverness to a table lamp, electric heater or the printer upstairs that takes five minutes before it’s warm and useful....

home & garden / monitoring at home

Nov 2019

calculate how long is the day

… and see how to add features to the Home Assistant display An interest in solar energy is a possible reason to record the sun’s azimuth and the time of sunset. Home Assistant can track...

Category: home & garden

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