DIY IKEA wireless Qi charging for the Hexiwear

Erich Styger built a DIY a wireless charging system for the Hexiwear: The Achilles Heel of the Mikroelektronika Hexiwear is its charging: the charging and USB connector are only designed for a limited number of plug-unplug cycles, and it does not have a wireless charging capability like the Apple iWatch. Until now! I have built […]

App note:Coils used for wireless charging

An app note(PDF) from Freescale Semiconductor on wireless charging coil designs There are many battery-powered devices, which need to be periodically charged, such as mobile phones, tablets, and battery-powered hand tools. These tools are usually charged by a dedicated cord from a USB port or from a dedicated wall adapter. Wirelessly transferred power simplifies the […]