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Admittedly, buying electronics at a second hand store without a return policy is chancy, even if the price is cheap-cheap.  This past week I bought a flexible gooseneck set of LED lights mounted on a USB plug.   230 more words

L321x - Liquid Damage?

This week we received another XPS13 (L321x – i7) Motherboard (0T0N27) which seems to have suffered some minor liquid damage.

It wasn’t really necessary to power the board up and check it’s functionality, a quick look under the microscope revealed where (at least one of) the problems lie. 814 more words


First Arduino Steps - Selecting Resistors

Today, I learned about Arduino and I am amazed, again. I learned about circuits at the very beginning. After that we connected our simple circuit to an Arduino Leonardo and then we played around with analog and digital I/O. 526 more words