Simple VU Meter using 2N3904 Transistor

In this tutorial, we are making a project on a VU meter circuit. A volume unit or VU meter is a device that shows the audio level in audio

How to Build a Touch Sensor Circuit

LED VU Meter circuits using transistors, 5 to 20, 40 LED

I am designing a two-part guitar effect pedal where one part of the circuit can take an input voltage range of +9-18VDC but the other part needs a consistent +9VDC regardless of the input voltage. Will the circuit depicted in my schematic achieve that goal

Continuity Tester With Buzzer

Level Header Testing Tool VU Meter Equipment Tool for DIY - AliExpress

vu meter circuit Page 4 : Meter Counter Circuits

LED VU Meter Circuit Diagram using LM3914 and LM358

Eddy Bergman.com: LED Oscilloscope with 100 LEDs.

Unboxing the Beginner Pedal Kit - by Mark A. Stratman

How to Build a Touch Sensor Circuit

vu meter circuit : Meter Counter Circuits