DC 3.7V 5V Bluetooth 4.0 Audio Receiver Board DIY Stereo Wireless Speaker Amplifier Module | Электроника

 

Bluetooth 4.0 Audio Receiver Board DIY Wireless Stereo Speaker Sound Amplifier

    　   Description: Features:
Warm Tip: This product is not a power amplifier board.

Q: individual customer inquiries: how to connect capacitance resistance?
A: If the amplifier board does not have input capacitance, this time need to connect the capacitor, or power interference, only in parallel above the power supply, generally do not, on the resistance, this is connected to the LED!

The module stereo output, built-in Bluetooth antenna structure is simple, the supply voltage of 3.7V or 5V power supply options, can be used as an ordinary amplifier, active speakers to increase the Bluetooth connection function. 7PIN output interface for the pitch 2.54mm, 7PIN output interface: + power, ground, left channel, right channel, mute, LED status indication, reserved port. Which LED state port, an external 100 ohm resistor in series LED indicator connected to the ground, Bluetooth is not connected for fast flash, Bluetooth connection after the success of slow flash.

The volume is: 30mm X 20mm X 3mm.

3.7V DC: supply voltage range of 3.4V-4.5V

5V DC: supply voltage range of 4.2V-5.1V

When the customer to buy this product, please contact us, we provide product manual.


  Package Contents
100% Brand New

Bluetooth motherboard 1pc
Electrolytic capacitor 2pcs
LED 2pcs
Resistance 1pc
 

  Shipping :

 

Country

Delivery Time

Working Days (not including holiday) 5-7 8-10 11-14 15-19 20-22 >25 Working Days + Saturday + Sunday 5-9 10-14 15-20 21-25 26-30 >35 United States Rate (item arrived)     9% 50% 21% 13% 7% Refund or Resend United Kingdom Rate (item arrived) 10% 62% 20% 3.5% 4.5% Refund or Resend Australia Rate (item arrived) 23% 50% 13% 8% 6% Refund or Resend France Rate (item arrived) 1.5% 20.5% 45% 23% 10% Refund or Resend Germany Rate (item arrived) 5.5% 25% 35% 19% 15.5% Refund or Resend

Canada

Rate (item arrived)

0.0%

44%

35%

18%

3%

Refund or Resend

Spain Rate (item arrived) 1.5% 25% 50% 14% 9.5% Refund or Resend   Payment : 

 

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