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

• 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
 

• •  

    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

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