The smallest LED Vu-Meter with LM3915 on DIY PCB - Tutorial

► $2 for 1-4 Layer PCBs, Get SMT Coupons: https://jlcpcb.com/DYE
Hi, this is probably the smallest LM3915 Vu-Meter you have ever seen on YouTube (without SMD) with a PCB Size of 28*28mm! It is designed to be connected to a pre-amplified audio source or directly to the amplified outputs of the amplifier. This circuit must be powered with 9-12V DC,

After trying the excellent service offered by JLCPCB I recommend it, the quality of the PCB is high, customer service is always available and professional, the time of realization is short and the delivery of PCBs is by express courier. JLCPCB is a great place to get hight quality custom circuit boards at an extremely low price, you can buy 5 PCB Boards (Any Color) for 2$ !!!

Components:
1x LM3915 IC
1x 10 LED Bargraph
1x 18 PIN Dip
1x 1uF 25/50/100V Electrolytic Capacitor
2x 2.7KΩ Resistors
1x100KΩ Resistor
1x 1N4007 Diode
2x PIN for Dot/Bar Mode
3x PIN for Vcc | GND | Sig

PCB: https://drive.google.com/file/d/1XcO8...
*Don't use my PCB for profit or sponsored videos.

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Chapters:
0:00 - Intro
0:45 - Circuit Diagram
1:48 - JLCPCB Upload
2:15 - Unboxing
2:52 - Assembly
5:10 - Test
5:36 - Music Test
6:44 - End


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WARNING: This video is only for demonstration. I don't take any responsibility.

#LM3915 #VuMeter #diyprojects