2PCS LM358 100 times gain Signal amplification Operational Amplifier Module
1,98 €
Onboard LM358 chip. 2,100 gain of circuit design. 4, on-board power indicator. 7, board size: 32.7 (mm) x13.3 (mm). There are NO EXCEPTIONS! 3, onboard 10K adjustable resistance, you can adjust the magnification.
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