The video how to make 16 led single-channel VU Meter with no IC and transistors. Using bright color LEDs and diode Zener differential voltage for the LEDs to glow.
➤ How to make 16 LED Single-Channel VU Meter Without IC and Transistors
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➤ Parts Required:
– IN4007 diode x 2 pcs
– (BZX79-C12) 12V Zener diode x 14 pcs
– 1000uF/25v capacitor x 2 pcs
– 2.2R resistor x 2 pcs
– 220R resistor x 16 pcs
– Red LED - 5mm bright x 2 pcs
– Green LED - 5mm bright x 14 pcs

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