Category Archives: Uncategorized

Lighthouse Project

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

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Update of Interactive Cow for MERL

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

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Motorised Route Roller

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

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Interactive Cow for MERL

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

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Flickering lamp

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

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ATTiny85 Programmer

The other project for this weekend was a really simple ATTiny85 programmer ‘shield’ for an Arduino Uno. This board fits on top of the Uno and effectively turns the Uno into a programmer for the ATTiny chip. The programmer takes … Continue reading

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Digital battery tester for 9 V battery

This weekend’s programme consisted of several new projects (battery tester, switching mains lights using a microcontroller, an ATTiny programmer and a touch-based instrument), but this post is just about the battery tester. Having worked with schools over the summer using … Continue reading

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