Bluetooth 4.0 audió vevő 3.7V sablon sztereó erősítő módosított Baord

Bluetooth 4.0 Audio Receiver 3.7V Template Stereo Power Amplifier Modified Baord
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 Package Contents 1PC X Bluetooth motherboard
2PCS X Electrolytic capacitor
2PCS X LED
1PC X Resistance
401652562456 - ali110 (280)