Sorting out the Velleman MK170 Christmas Star

Last Christmas I bought a Velleman MK170 Christmas Star project for my Wife to build.  She often shows interest in my various electronics projects and I thought it would be a good way for her to build something that she could show off to friends and family, whilst at the same time teaching her a thing or two about electronics, components, and soldering.

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Flashing CyanogenMod onto Galaxy SII via Ubuntu

Pre-Requsites

Install Heimdall

Visit the Heimdall home page, select “Linux”, and download the package for your distribution.  On Ubuntu variants you want the latest ‘.deb’ package.  e.g.:

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CDTV 3FFF Problem – Diagnosis & Repair

Diagnosis and Repair of a Commodore CDTV unit which has a strange ‘3FFF’ problem.

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Simple circuit for controlling LED brightness

Recently I was asked to produce a circuit to create a variable ‘dim’ control for an existing LED based exhibition.

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