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Voice Module

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LM358 100 times gain amplification /operational module

 
LM358 100 times gain amplification module operational amplifier module
 

 

1.onboard LM358 chips

2.100 times gain circuit design

3.onboard 10 k adjustable resistance, adjustable magnification

4.onboard power light

5.chip has led the main pin, can directly input and output signals

6.working voltage: 5 ~ 12 v

7.board size: 32.7 (mm) x13.3 (mm)