Wireless LED explained

This is the explanation video of how the wireless LEDs work. This is the mentioned video:    • wireless LED buying link in the description   You can buy 10 of these LEDs and the coil here: https://amzn.to/3Jy2S4G Inductive coupling occurs when two nearby electrical conductors, known as primary and secondary coils, exchange energy through an electromagnetic field. But how can the two nearby conductors or coils, exchange energy without touching each other? To find out, we need to explain Faraday's law of induction. Faraday's law of induction, is a fundamental law of electromagnetism predicting how a magnetic field will interact with an electric circuit to produce an electro motive force or EMF. It is the fundamental operating principle of transformers, inductors, electric motors, generators, and solenoids. Faraday's experiment shows induction between wire coils: The liquid battery provides a current that flows through the small coil (A), creating a magnetic field. When the coils are stationary, no current is induced. But when the small coil is moved in or out of the large coil (B), the magnetic flux through the large coil changes, inducing a current that is detected by the galvanometer (G). Let's explain it further. When a magnet is put near the coil, EMF induces electricity at the ends of the coil momentarily. If the magnet moves out from near the inductor, the electricity induces in the opposite direction. Suppose we keep moving the magnet. The electricity is induced to the end of the magnet. but if the magnet stops moving, the electricity disappears. To produce EMF continuously, we must keep our magnet moving or find a better way to change the electromagnetic field constantly. But how can we change the electromagnetic field constantly? When a conductor is connected to a power supply, a magnetic field corresponds to the amplitude and polarity of the supply's voltage. The strength and direction of this field will change if the voltage or its polarity changes. Imagine a power supply that can dynamically alter its voltage and polarity at regular intervals. There are two types of electrical current: alternating current (AC) and direct current (DC). AC is a type of electrical current that changes direction periodically while its amplitude constantly changes. The AC voltage period can be adjusted to accommodate the device's needs. On the other hand, DC is an electrical current that only flows in one direction while the amplitude is constant. When an AC voltage is applied to a conductor, it creates an alternating electromagnetic field around the conductor and simulates the same way as the moving magnet. Since we want to induce the power, this field induces a voltage in a nearby conductor, such as an inductor, which can then be used to power an wireless LED or other devices. the background music: Music by penguinmusic from Pixabay https://pixabay.com/users/penguinmusi... I used this tool for an oscilloscope simulator: https://physics-zone.com/sim/virtual-... #howtomake #howto #howtomakewirelessled #light #wirelessled #howtobasic #how #howto