USB LED indicator Power Bank from Laptop Battery

A situation many can relate to: an empty smartphone battery and no outlet around! That’s exactly why I recycled an old laptop battery into an USB power bank. Follow the link for the full article with close ups of the electronics and insights into the building process. This article will show you the basic powerbank circuit consisting of Lithium cell […]

Automatic Tea Timer

Getting cold outside drinking a hot cup of tea is one of my favourites. But all tea enthusiasts know when cooking a cup of tea timing is crucial. One or two minutes too long and your tea will become bitter. That’s why I built this little automatic teabag lifting timer to do the work for me!  If you want to […]