Every year I do a charity giveaway which will give you free entrance to my course in wireless power on Udemy. The coupon expires in a few days and it is limited to 1000 people. First come first served. Enjoy! https://www.udemy.com/course/wireless-power-to-the-people-wireless-charging-101/?couponCode=SAVASANA (If the link does not work use code SAVASANA on Udemy)