ماژول بلوتوث صوتی استریو KRC86B V40 مناسب برای ساخت اسپیکر وایرلس توضیحات محصول Power supply DC 3V5V Audio output amplitude 950MV  50MV 47K EN Foot The Bluetooth connection output high 33 V Back to even function automatic back even  Automatic control technology  1٫ search matching automatic  connection on the phone or computer can operate 2٫ signal input automatic switch  wired input seamlessly with Bluetooth input When the Bluetooth connection is successful the output is automatically converted to Bluetooth Bluetooth disconnected automatically be converted to the cable input Module Parameters Bluetooth version V40  EDR High quality Bluetooth chip Bluetooth version V40  EDR receives about 10 meters up to 20 meters without occlusion PCB size 30 30MM Power3V  5V A set of stereo AUX audio input A set of stereo audio output a Bluetooth indicator a Bluetooth status control output Button Interface 3 buttons 20 Interface Connect the equipments 2  Module mutual process  KRC86B Series modules the power is automatically turned on the status of AUX output After the module is powered automatic initialization probably completed around 5s After initialization automatically connect back to the last connected device After initialization LED starts blinking If the device is not connected to the last the module automatically enters pairing mode Namely to search for other Bluetooth devices to this unit The device name is KRC86B V40 After connection LED from flashing to long bright output into Bluetooth output Meanwhile EN pin output 33V High  Description of function keys  Power supply VCC positive power supply 3 V5 V GND power supply is negative LED LED  pickemitting diode anode LED pickemitting diode cathode  Audio signal AGND audio signals received negative OUTR right channel output OUTL Left channel output INR AUX right channel input INL AUX left input  Key COM Common keys PLAY  STOP sowing pull Pause VOL   NEXT a short press long press the volume increase VOLREV On a short press long press volume down  Control EN Bluetooth connection is high 33 V disconnect the Bluetooth is low NC Function Reserved  Note NC pin must be left open otherwise the module is not working properly or damage to the module Specially designed AUX input the original cable input Function wired and Bluetooth automatically switch Bluetooth audio player connected to the Bluetooth Disconnect the Bluetooth cable audio playback  Mobile phone bluetooth connection application 1 according to the product introduction correct connection can be converted into the stereo speakers or DIY 2 open the phone bluetooth bluetooth search point shown as KRC86B V40 3 click KRC86B V40 cell phone began to connect if you need the password input and matching connection invoice there is a password 4 after the success of the device to connect can use a mobile phonetabletother bluetooth devices play music watch