6 LED VU meter using one transistor (circuit) - Electronics Area
6-LED VU meter using one transistor This simple 6-LED VU meter allows us to visualize the level of an audio signal. Due to its few components, it is a cheap circuit and easy to build. Components are very common and very easy to obtain.
How to make music operated LED chaser ckt - VU meter using LM3915 - LED disco - Robotshapers - Best DIY, Science & Engineering Teachnical Blogs
Complete newbie needs help with LM3915 VU Meter Circuit Electronics Forum (Circuits, Projects and Microcontrollers)
4 Simple VU Meter Circuits Explained - Homemade Circuit Projects
VU meter using one transistor
bjt - What are these transistors doing and how are they working in this VU Meter? - Electrical Engineering Stack Exchange
LED Audio VU Level Meter Using Transistors
Volume Level Indicator Using Transistor
How to Make VU Meter Using Transistor : 10 Steps - Instructables
vu meter circuit Page 4 : Meter Counter Circuits
Infinity Mirror Music VU Meter Electronics Project using LM3915 IC - How To Mechatronics
4 Simple VU Meter Circuits Explained - Homemade Circuit Projects