1PCS Voice Control Level Indicating/Electronic Production DIY Kit

$9.83

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Brand Name: EARUELETRIC
Type: Level Indicator DIY
Model: DIY Kit
MPN: Does Not Apply
Country/Region of Manufacture: China
UPC: Does not apply

Description

Unit Type: piece
Package Weight: 0.001kg (0.00lb.)
Package Size: 1cm x 1cm x 1cm (0.39in x 0.39in x 0.39in)

Cheap kit product, Buy Quality kit car products directly from China kit printer Suppliers: 1PCS Voice Control Level Indicating/Electronic Production DIY Kit

Product Name: Voice Vontrol Level Indicating/DIY Kits/Electronic Production

SKU: 1748
Parsts No. :
Package:
Brand: Quantity: 1

1. Suite Features
Power Voltage:9V--15V
PCB Dimensions:160mm*42mm
2. Principle of Circuits
The circuit is mainly composed by Power Circuit, Audio Amplifier Circuit, Frequency Dividing Circuit and LED Driver Circuit.
1Power Circuit: The power output voltage is 9V--15V. D1 can avoid the demage of three terminal regulator when the power polarity is connected in a wrong way. After the C4\'s filtering , L7806 three terminal regulator will provide the whole circuit with a stable voltage of 6V.
2Audio Amplifier Circuit: Electret microphone MK1 transfers the obta

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