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This product with strong cleaning effect and slight conductivity
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UNI T Digital Mini Anemometer UT363 is a mini wind speed and wind temperature tester
Max9814 Microphone Amplifier Module udp3305c This product with strong cleaningThe MAX9814 microphone amplifier module is an affordable high performance microphone amplifier with Automatic Gain Control (AGC) and low noise. The device has a low noise front end amplifier a variable gain amplifier (VGA) an output amplifier a microphone bias voltage generator and an AGC control circuit. Additionally the manufacturer allowed the user to control the gain gain by shorting the GAIN pin. The output signal voltage does not exceed 2V so we