LED VU METER 3V - 5V dengan satu transistor bisa menyala sesuai irama musik
sampurasun. This time, we'll make an LED meter that lights up according to the beat of the music; the volume of the music determines the LED's blinking speed. Materials 5mm 3V LED 2K2 resistor BD139 NPN transistor Thank you
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Make an LED VU meter/display without IC, transistor, zener diode that lights up in time with the ...
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