Some Sharpie mug DIYers may advise you to spray the mug with acrylic sealing spray to make sure the Sharpie etchings doesn't rub off. I personally didn't want to do that because the spray can be toxic ...
SparkFun, a DIY electronic kit maker in Boulder, Colorado is making a huge effort to see that more kids and educators learn about electronics, embedded control and programming with their forthcoming ...
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