![](https://i0.wp.com/www.automaticprojects.com/wp-content/uploads/2023/06/IMG_3178.jpg?resize=900%2C675&ssl=1)
![](https://i0.wp.com/www.automaticprojects.com/wp-content/uploads/2023/06/IMG_2265.jpg?resize=900%2C675&ssl=1)
This analog volume meter was the subject for my fourth Instructable. I first got it working on a breadboard with an oscilloscope and then a few months later built it onto a PCB that still works nearly ten years later.
This analog volume meter was the subject for my fourth Instructable. I first got it working on a breadboard with an oscilloscope and then a few months later built it onto a PCB that still works nearly ten years later.