10 LED VU Meter Project by LM3915 and LM324 - EEWeb
LED Audio Level Meter Circuit - Electronic Circuit
LED vumeter circuit using LM324
1.5V battery tester circuit using LM324 - ElecCircuit.com
operational amplifier - Op amp LM324 as pre-amp to LM3915 LED VU Meter - Electrical Engineering Stack Exchange
VU Meter With Double LM324 IC - YouTube
LED VU meter not sensitive enough at low volumes | Electronics Forum (Circuits, Projects and Microcontrollers)
Vu Meter Circuit 40 Led – Electronics Projects Circuits
4 LED VU meter LM324 under Repository-circuits -25273- : Next.gr
Audio Spectrum Analyzer (VU Meter) : 6 Steps - Instructables
8 LED VU meter circuit using LM324 IC - Electronics Area
How to make Audio Level VU Meter using LM324 ic - YouTube
VU METER MONO BY TRANSISTOR (EKG-001A) - asadorn
operational amplifier - Op amp LM324 as pre-amp to LM3915 LED VU Meter - Electrical Engineering Stack Exchange
I made this led volume meter circuit, and only the first led turns on, and it's very dim. I didn't have 1n4148 diodes, so I used 1n4007 diodes instead (they have similar
VU METER MONO BY LM324 (CASCADE) (EKG-005A) - asadorn
40 LED vu meter
LM324 Based LED VU-Meter - EEWeb
AT003 - Vu meter a operazionali con 8 led - Elettronica Club
Temperature gauge circuit using LM324 IC (PCB) - Electronics Area
Vu Meter - EasyEDA open source hardware lab
Led music 4 level with IC LM 324. Led VU meter with IC LM324 - YouTube
FK103 - futurekit
vu meter circuit Page 4 : Meter Counter Circuits :: Next.gr
