Gain Amplifier
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Audio Amplifier Module
XD-21 LM358 Gain Amplification Module Operational Amplifier Module
SKU:- LM358 chip onboard.
- 100 gain of the circuit design.
- 10K onboard adjustable resistance, you can adjust the magnification.
- Onboard power indicator.
- The chip has led major pin can be directly input and output signals.
SKU: n/a
