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Front panels can cost a lot. As an alternative I had a theory that I put to the test this week, and it worked out well. The theory was that for home-built projects, surely trophy/jewellery type engraving could be used for labels.   It turns out that it can be done on enclosures in most high streets/malls as a same-day service - just using the engraving services of a key cutting or jewellers store : ) In the UK, the chain 'Timpson' was used here, on this aluminium enclosure (these Hammond ...
I had a wake up call using Eagle Cad and a third party libraries. And I wanted to share how my ignorance caused my boards to fail (for now). Just for reference the board uses an Atmega328P SMD and i wanted a smaller and cheaper part than a normal crystal. So I went with a resonator, there are a few very cheap and very small. I am not that good on creating parts layout by myself so I searched on the libraries at hand for a resonator with the footprint similar to the one I wanted to use. And very ...

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