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If you have a modern smart phone you may have noticed that it comes with built in wireless charging capability called 'Qi charging.' Qi is a trademark name for a thin and smart inductive charging system. Many large gadget companies have standardized on Qi, which means it's easy to find a charging dish and we thought it might be cool if your Arduino project can recharge itself wirelessly.
We've added a ton of Qi receivers but, until now, we haven't had a charging base. No longer! This is a super simple Qi transmitter. It will work with any standard Qi charger receivers - like the ones we carry here. You just connect the board to a 5v power supply - either through a micro USB port - then put your device w/ Qi receive onto the base. If you want to 'share' the microUSB power connection, you can also connect direct to the USB-A port
Maximum output is around 5W which is good for most smart phones, basically 1000mA charge at 5V on the other side of the wireless connection. It has a charging distance of 2-8mm, works with all our Qi charge receivers. You can only use one receiver per transmitter so if you want to charge two Qi devices at once, you'll need 2 transmitters.
Please Note: PCB may come in blue or green, the PCB may also look different, and the ferrous back-plate of the coil may be round or square. (We're stocking these for folks making DIY Qi chargers, the modules we get all function the same but may not look physically the same)