This time I bring an electronic kit for beginners, this is a very cheap and interesting device that displays audio levels ...

This time I bring an electronic kit for beginners, this is a very cheap and interesting device that displays audio levels ...

[Eli Skipp] wrote in to share a project she has been working on bit by bit, for over a year – an LED VU meter scarf. The project was originally going to be built using a custom PCB, but no matter how ...