All projects and posts

Raspberry Pi Pico, LoRa & Home Assistant remote soil monitoring

How to monitor soil moisture levels on our allotment and view the data in Home Assistant using a pair of Raspberry Pi Picos & LoRa radio modules to send and receive the data

Kenwood TS-850S HF Transceiver LCD Display Repair

Fault finding and repairing a faulty Kenwood TS-850S HF Transceiver with a dead display backlight, replacing the compact fluorescent lamp with an LED strip

An introduction to our other hobby, growing food on an allotment

Thinking about growing your fruit and veg? An allotment is a brilliant way to enjoy fresh fruit and veg, get outdoors, and learn new skills

The Importance of Proper Form Validation and Meaningful Error Messages

Website form validation is a critical part of any online form, ensure your website visitors and customers have a good experience when trying to place orders

Introducing a blog for Retro Computing Enthusiasts, Retro Bits and Bytes

We have launched a new blog dedicated to all things retro computing and classic computers from the 1970s, 80s and 90s

Quansheng UV-K6 with HF mod with UVK5CEC firmware

Installing a HF modification board into a Quansheng UV-K6 HAM radio to add HF receiver with CW, SSB and USB radio modes using UVK5CEC firmware

Rigol DHO804 Oscilloscope Quiet Fan Mod

We fitted a quiet Noctua fan using a 3D printed mount to the back of our Rigol DHO804 oscilloscope to make it quieter when in use

Integrating Stripe Express Checkout in an ASP.NET Core 8 Ecommerce Website

This post shows how to add Stripe Express Checkout in an ASP.NET Core 8 Ecommerce Website using C# and the Stripe.js sdk

Zwift ESP32 Bluetooth Wireless Keyboard Controller

Making a custom controller for the cycling training software Zwift, with a ESP32 Feather Bluetooth wireless keyboard controller using a Adafruit ESP32 Feather V2.

Monitoring Air Quality with the AirGradient Open Air Outdoor Monitor and Home Assistant

Using an open source air quality monitoring system from AirGradient, we have added outdoor air pollution data logging to Home Assistant and our long term data logger online.

New Smart Gas Meter Broke Home Assistant long term logging

New smart energy meters promised better logging, but it broke our Home Assistant install and long-term energy logging. Here’s what went wrong and how it’s affecting Home Assistant in our smart home

Amazon Echo Spot Teardown - Smart speaker with LCD

Welcome to a in-depth teardown of the 2024 Amazon Echo Spot Smart Speaker with LCD display. In this blog post, we'll be taking a closer look at the inner workings of this popular smart home device, uncovering the components that power its advanced features, and exploring its construction

Twelve years of Raspberry Pi Development Boards

For over 12 years, AB Electronics UK has been designing and developing Raspberry Pi development boards. Throughout this time, we've gained extensive experience in developing high-quality circuit boards specifically designed for hobbyists and developers.

PartFinder 2.0 Core component inventory manager

This is a new release of the PartFinder component inventory manager I released four years ago in March 2020 which now runs on Windows, Mac and Linux.

Trooli Fibre Internet and a new UniFi Dream Machine Pro Network Upgrade

We now have much faster internet thanks to a new fibre connection and internet using Trooli and upgrading from our PFSense firewall to a Ubiquiti Dream Machine Pro