DKARDU DR-US-672

DKARDU Mini Microphone AmpAkwụkwọ ntuziaka Board liifier

Model: DR-US-672 | Brand: DKARDU

Okwu mmalite

This manual provides detailed instructions for the DKARDU DC 5V-12V Mini Microphone Amplifier Board. This module is designed to amplify audio signals from various microphone types, including electret, condenser, and moving coil microphones, for output to speakers. It is suitable for a wide range of audio projects and applications.

Two DKARDU mini microphone amplifier boards, two electret microphones, and two DC female power pigtail cables.

Foto: Ofeview of the DKARDU Mini Microphone Amplifier Board kit, including two amplifier modules, two electret microphones, and two power cables.

Kedu ihe dị na Igbe ahụ

Ngwungwu ahụ gụnyere ihe ndị a:

  • 2 x DC 5V-12V Micro Electret Ampbọọdụ lifier
  • 2 x Electret Microphones
  • 2 x DC Female Power Pigtail Cables

Nkọwapụta

Detailed technical specifications for the ampmodul liifier:

OkeUru
Nrụ ọrụ Voltage5V-12V DC (Voltage below 5V will significantly reduce sound; do not exceed 15V)
Na-arụ ọrụ ugbu a1mA (static) ~ 150mA (max)
Output Speaker Impedance4 Ω - 32 Ω (Higher impedance results in higher efficiency)
Supported Speaker Power0.5W-25W (Any power speaker can be used, volume is not directly proportional to speaker power, as long as it's greater than amplifier output rating)
Ike Nwepu kacha750mW
Nkwado ntinyeElectret microphone, condenser microphone, moving coil microphone, audio signal
Akụkụ (LxWxH)20 x 12 x 6mm / 0.79 x 0.47 x 0.23 sentimita asatọ
Nso nke amplifier board with parameter details overlaid.

Foto: Zuru ezu view nke amplifier board highlighting its key parameters.

Nso nke amplifier board with dimensions overlaid.

Image: Dimensions of the amplifier board, showing its compact size.

Melite

Follow these steps to correctly set up your amplifier board:

  1. Jikọọ igwe okwu: Use a shielded cable to connect the electret microphone to the 'IN' and 'GND' terminals of the amplifier board. Pay close attention to the polarity of the electret microphone; incorrect polarity will result in very low or no sound.
  2. Jikọọ Ọkà Okwu: Connect your speaker to the 'OUT' terminals of the amplifier board. Ensure the speaker is positioned away from the microphone to prevent self-excited noise (feedback).
  3. Njikọ Ike: Connect a DC power supply (5V-12V) to the positive and negative terminals of the amposisi lifier. WARNING: Do not reverse the polarity of the power supply, as this will damage the module.
Wiring diagram showing connections for power, microphone, and speaker to the amposisi lifier.

Image: A clear wiring diagram illustrating how to connect the DC power supply, microphone, and speaker to the amposisi lifier.

Ntuziaka ọrụ

Once properly set up, the amplifier board will begin to amplify the audio signal from the connected microphone. The module supports various microphone types and can be integrated into different audio systems.

  • Ndozi olu: The board features a small potentiometer (labeled 'VOL') for adjusting the output volume. Use a small screwdriver or appropriate tool to carefully turn the potentiometer to achieve the desired volume level.
  • Ndakọrịta ntinye: Nke amplifier is designed to work with electret, condenser, and moving coil microphones, as well as general audio signals.
Nso nke amplifier board with text indicating input support for various microphone types and audio signals.

Foto: The amplifier board, illustrating its compatibility with electret, microphone, condenser microphone, moving coil microphone, and general audio signals.

Diagrams showing various application examples for the mini power amplifier board, including battery power, phone headset interface, and different microphone types.

Foto: Examples of different applications and wiring configurations for the amplifier board, demonstrating its versatility.

Nlekọta

To ensure the longevity and optimal performance of your DKARDU Mini Microphone Amplifier Board, consider the following maintenance guidelines:

  • Debe nkụ: Protect the module from moisture and liquids, as water can cause short circuits and damage components.
  • Jiri nwayọọ dị ọcha: If cleaning is necessary, use a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
  • Jiri Nlekọta Aka: The board contains delicate electronic components. Avoid dropping or subjecting it to strong impacts.
  • Nchekwa nke ọma: When not in use, store the module in a cool, dry place, away from direct sunlight and extreme temperatures.

Nchọpụta nsogbu

Ọ bụrụ na ị nwere nsogbu na ndụ gị amplifier board, refer to the following common problems and solutions:

  • Very Little or No Sound:
    • Check the polarity of the electret microphone connection to the 'IN' and 'GND' terminals. Reversing the polarity will significantly reduce or eliminate sound.
    • Gbaa mbọ hụ na ọkọnọ ọkụ voltage is within the 5V-12V range. Voltage below 5V will result in significantly reduced sound.
    • Verify all connections are secure and correct according to the wiring diagram.
  • Self-Excited Noise (Feedback):
    • Ensure the speaker is positioned sufficiently far away from the microphone to prevent audio feedback.
    • Check for proper shielding of the microphone cable.
  • Module Not Functioning / Damaged:
    • Verify that the DC power supply polarity is correct. Reversing the positive and negative connections will burn out the module.
    • Gbaa mbọ hụ na ntinye voltage anaghị agafe 15V.
Nso nke amplifier board with important notes regarding connections and power overlaid.

Image: Important notes for the amplifier board, emphasizing correct wiring and power supply to prevent damage and ensure proper function.

Akwụkwọ ikike na nkwado

For warranty information and customer support, please refer to the documentation provided with your purchase or contact DKARDU customer service through the retailer where the product was acquired. Keep your proof of purchase for any warranty claims.

© 2024 DKARDU. All rights reserved.

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