tv remote

Samsung has made a battery-less remote control that takes power from Wi-Fi signals. It's proof the concept works, though it's still very questionable if the same approach could work on devices such as phones or laptops. The remote is an update on an ... existing "Eco Remote" model that uses solar power to top up the battery. Although solar is naturally very limited inside a home, a rechargeable battery in a remote only needs very slow, low-power topping up as it uses little energy to operate. Samsung says it then explored a range of wireless charging technologies to add to the solar in a second ... (view more)