The Itsy-Bitsy USB Lamp circuit


Posted on Feb 7, 2014

We`ve called it the Itsy Bitsy USB Lamp. It is such a delightfully simple idea we`re wondering why no-one ever thought of it before. It started life (and continues) as a student project at Massey University in Wellington, New Zealand - and in fact was submitted to us by the lecturer, Stan Swan. When we say simple, we mean it: just a USB plug on a suitable length of cable, a super bright white LED and a series resistor to limit LED current. The LED and resistor are housed in an in-line fuse holder (without its innards!) which makes a superb little `wand` and also protects the electronics, such as they are..


The Itsy-Bitsy USB Lamp circuit
Click here to download the full size of the above Circuit.




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