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Overview of the LM386 Audio Power Amplifier
The LM386 audio power amplifier is a compact and efficient solution designed for enhancing audio signals. This device is capable of amplifying audio signals with a gain of up to 200, making it ideal for various applications in sound detection and amplification.
Key Features
- High Gain: Amplifies audio signals with a gain capacity reaching 200.
- Adjustable Accuracy: Allows fine-tuning for optimal performance.
- Signal Output Indicator: Provides visual feedback on signal output status.
Technical Specifications
- Microphone Sensitivity: 52dB, ensuring clear sound capture.
- Frequency Range: Operates effectively between 50Hz and 20KHz, covering most audible frequencies.
- Power Supply Requirements: Compatible with voltages ranging from 3.3V to 5.3V.
- Mounting Hole Size: Designed with mounting holes measuring 2.0mm for easy installation.
Applications
This versatile amplifier can be utilized in:
- Audio amplification systems to enhance sound quality.
- Ambient sound detection setups for monitoring environmental noise levels.
- Sound level detection projects where precise dB values are not required.
Usage Instructions
For integration with a microcontroller (MCU):
- Connect VCC to the power supply (3.3V ~ 5.3V).
- Attach GND to the ground of the power supply.
- Use AOUT for analog output connected to MCU.IO.
- Connect DOUT for digital output linked to MCU.IO.
Package Contents
Included in your purchase:
- Sound Sensor x1
- Custom connector jumper wire (4-pin) x1
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Shipping This product ships from China using different shipping carriers depending on the country you purchase from and will be delivered within 7–21 business days.Learn more. Payments WE ACCEPT THE DIFFERENT PAYMENT METHODS ADVERTISED ON THE SITE, SUCH AS VISA, MASTERCARD, AMERICAN EXPRESS, DINERS CLUB CARDS AND MORE. Returns And Refunds Sometimes we may require you to return the item to receive a refund in the uncommon situation it arrives defective or if it was not received due to shipping carrier issues; you can request a full refund through your original payment method or alternatives like PayPal or cryptocurrencies by contacting us via WhatsApp, email or contact form.Read our fullReturns and Refunds Policy. How To Place An Order and common questions:
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