The waterproof floating Speaker has 2 kinds of dolphin sound effects even not connect with Bluetooth. With its cute shape and awesome sound, this portable bluetooth speakers will be a big hit with ...

Let’s face it, levitating anything is pretty fascinating — especially when you think there should be wires. This project puts a new spin on magnetic levitation by using a PID controller to ...

It is reasonably inexpensive to get floating Bluetooth speakers, globes, or just floating platforms for display. The idea is reasonably simple, especially if you only care about levitation in two ...