Author Archives: Kingarthursdog

Finally, I managed to find some spare time today to connect up the audio system to a Raspberry Pi 4, which includes a simple speaker output and MAX9814 condenser mic input module. The purpose of this setup is to allow … Continue reading →

Took a photo of this today, as I liked what it said on the side of the lorry:

The 3D printer that I originally bought around 2014 was a Prusa i3 MK2. I chose the self build, as I wanted to know how the printer was constructed, and the instruction provided by Prusa are superb. The MK2 was … Continue reading →

A recent commission was for a garden lighthouse. It had to be tall, and light up automatically when dark. This is the result, it is made from (mostly) 3mm ply which I hand sawed and assembled in my shed. It … Continue reading →

Last week we added the ‘smell machine’ to the cow. This device is custom made for the cow, and circulates a single smell placed in a container inside the machine. The smell machine was 3D printed in parts and then … Continue reading →

A project I have been working on lately is motorising a ‘route roller’, which is a device which allows you to carry and view an A4 route sheet when on your classic motorcycle. Here is the image of the version … Continue reading →

The latest project I am working on with Kate is the interactive cow for MERL. As part of their rehang, they commissioned the building of an interactive cow which can be used by visitors. The cow will be capable of … Continue reading →

This example shows how to control a mains lamp using a 240V relay board and an Arduino Uno. The idea is to randomly flicker the light on and off, similar to an old strip light when it becomes a bit … Continue reading →