► $2 for 1-4 Layer PCBs, Get SMT Coupons: jlcpcb.com/DYE
Hi, this is probably the smallest LM3915 Vu-Meter you have ever seen on RU-vid (without SMD) with a PCB Size of 28*28mm! It is designed to be connected to a pre-amplified audio source or directly to the amplified outputs of the amplifier. This circuit must be powered with 9-12V DC,
After trying the excellent service offered by JLCPCB I recommend it, the quality of the PCB is high, customer service is always available and professional, the time of realization is short and the delivery of PCBs is by express courier. JLCPCB is a great place to get hight quality custom circuit boards at an extremely low price, you can buy 5 PCB Boards (Any Color) for 2$ !!!
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: 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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✅ RU-vid: / stefano91ste
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WARNING: This video is only for demonstration. I don't take any responsibility.
#LM3915 #VuMeter #diyprojects
23 июл 2024
