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How to Make a Drawer Alarm

Learn how to make a Drawer Alarm, which sounds when a dark draw is opened, in our easy to follow tutorial.

How to Use a 3W Star LED

Power LED stars produce a bright light from a small star shaped PCB, this tutorial describes how to use a 3W star with a current limit resistor.

How to Use 1W Star LED

Power LED stars produce a bright light from a small star shaped PCB, this tutorial describes how to use a 1W star with a current limit resistor.

How to Solder in Ten Easy Steps

Soldering is an essential skill in electronics, fortunately it is easy to get started. Just follow our 10 step guide and you’ll be soldering in no time!