Flexible PCBs at PCBway:[ Ссылка ]
The circuit of music dancing led with 2 2n3904 transistors,2x10kohm and 1x1mohm resistors,1xled,1xcondenser microphone and 1x1mf elec capacitor.
![](https://i.ytimg.com/vi/k5WL52jxMxY/maxresdefault.jpg)
Flexible PCBs at PCBway:[ Ссылка ]
The circuit of music dancing led with 2 2n3904 transistors,2x10kohm and 1x1mohm resistors,1xled,1xcondenser microphone and 1x1mf elec capacitor.