OSOYOO Ultrasonic Levitation DIY Kit : mastering solder
This is a mastering solder:Ultrasonic Levitation DIY Kit
It will help you practice soldering skills, to become familiar with a variety of electronic components, and provide you with dynamic results. If the circuit has been assembled and soldered properly, LED will light on, and four balls will levitate.
Please visit our tutorial to learn more: https://osoyoo.com/?p=56309