DIY Student Learning Sound-activated Sound Level Control LED Lamp Kit 3-5.5v
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₨ 125.00
- Working voltage: 3-5.5V
- PCB: FR-4 a glass fiber board
- Board size: 3CM*2.3CM
- Function: 5 LEDs will flash with the rhythm of music
- How it works:
- This kit includes power circuit, microphone amplifier circuit and led circuit
- Power supply from the J1 input, C1 filter for the circuit.MIC1 will transfer sound
- signal into electrical signal,then go through C2, Q1 to amplifier signal. Then go to Q2, driven by the Q2
- the 5 led will flash. The louder the sounder, the brighter the led
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DIY Student Learning Sound-activated Sound Level Control LED Lamp Kit 3-5.5v
₨ 125.00
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