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Surface Mount Devices: Through Hole Installation (Heat Sink Recommended)
2 × USB 3
Water Pressure: ≤0
and a variety of teaching materials
MQ-4 gas sensor sensitive material used in clean air conductivity is lower in tin titanium dioxide (SnO2)
LM358 Op-Amp Amplifier Module 100xgain GSM Surface Mount Devices: Through HoleAudio amplifier module 100 times LM358 XD 21A Technical specifications LM358 chip onboard. 100 gain of the circuit design. The working voltage: 5 12V. 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. Size: 32. 7mm * 13. 3mm.
US$ 23.99
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