Design a portable charger is always interesting, you only need a few things to do so, A lithium battery, unlucky we only have a small volumn lithium battery 860mah right now. A charging circuit board to handle the input, a new type of this charging circuit just arrive, the maximum power output up to 1A, and there is...
This 100W LED works at 28V and 0.6A, if you put 70V on it, it also won't burn, interesting :D In the video we have a new type of power supplier, step up from 12V to 70V/10A max, if you are interesting please let us know by comments.
Handy tools are pretty important prerequisite for the success of your project. After many times pick up and try, we find a series of prototype tool here, maybe the first the series and more will come later. Arduino pro mini: This is our favorite because of the compact size, just make a good plan what, where...
Our high power LED now is on shelf for a while, 1W, 3W, 5W, 10W, 20W, 50W and 100W are all available, the price is also very competitive, now we added some more tutorials for these parts. For the 1-5W high power LED, please read it here. Simple and easy to...
