If you want to see how this circuit works, the other circuits we have for this, the use of a flyback transformer and more examples, check this post. I will show you everything you need to know about this circuit, then we assemble it on a prototyping PCB for one circuit and on a PCB kit for the... view more

• music
• transformer
• arcs
• speaker
• plasma
• flyback

Around 2 years back I've made a huge portable Bluetooth speaker but that had some errors with the circuit. Then, I've made a small portable bluetooth speaker that had a good circuit. Now, I'me making a new version for the big speaker but with all the errors corrected. It will have a 6S battery pa... view more

• DIY
• speaker
• battery
• bluetooth
• portable
• circuit
• rechargable