visitors this year: 272 This tank level sensor produces surprising detail about my heating oil usage. It’s a bit like a smart meter for oil so I now know say, how many litres I...
visitors this year: 569 WS2812B strip – INMP441 microphone – WLED SR software – ESP32 board shopping list for these motion activated stairway lights – see photos wiring diagram for a microphone controlled LED...
visitors this year: 2,743 Here is a tank level sensor that’s more useful than anything you can buy. This post focuses on my housing and the calibration for a basic sensor to measure oil...
visitors this year: 4,266 how to make a heating oil tank level sensor that’s more useful than anything you can buy. This sensor… Background: homes like mine use diesel oil as a fuel to...
visitors this year: 2,363 how to make a heating oil tank level sensor that’s more useful than anything you can buy. This sensor… Background: homes like mine use oil as a fuel to keep...
visitors this year: 3,750 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...
visitors this year: 1,166 see version 2 of this project here My initial want was for the stairs to have soft glow lighting … but what the hec, LED strip lights do more than...
visitors this year: 332 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...
visitors this year: 336 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...
visitors this year: 3,011 If you want to use a GitHub project with Arduino software follow this step-by-step guide. We’ll make an ESP32 camera web server using the Github code from ‘easytarget’. An ESP32-CAM...
visitors this year: 3,581 How do I safely house an electronics project? Is there a better way to mount a ESP-CAM camera? I’d been looking for boxes in the wrong shop so I found...
visitors this year: 18,457 These instructions may help you upload a fireware.bin file to an ESP32 dev board. You are not alone if you meet a problem uploading a firmware bin file to an...
visitors this year: 1,152 ‘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: 22,257 Costing less than £10 or $10, the ESP32-CAM board comes equipped with WiFi, a camera and a micro SD-card slot. It needs a little work to turn this ‘development board’...
visitors this year: 847 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: 289 “… 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: 1,460 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: 4,460 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: 101
visitors this year: 7,077 make a heating oil tank level sensor that’s more useful than anything you can buy There is a replacement for this project – the latest project uses a DFROBOT A02YYUW...
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