ماژول بلوتوث صوتی استریو KRC-86B V4.0

ماژول بلوتوث صوتی استریو KRC-86B V4.0 مناسب برای ساخت اسپیکر وایرلس
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Power supply: DC 3V-5V 
Audio output amplitude: 950MV ± 50MV 47KΩ 
EN Foot: The Bluetooth connection, output high (+3.3 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: V4.0 + EDR 
High quality Bluetooth chip Bluetooth version V4.0 + 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, 2.0 Interface 
Connect the equipments: 2
 
Module mutual process: 
KRC-86B 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: KRC-86B V4.0
After connection, LED from flashing to long bright output into Bluetooth output 
Meanwhile EN pin output +3.3V High
 
Description of function keys: 
Power supply: 
VCC: positive power supply (+3 V-+5 V) 
GND: power supply is negative 
LED: 
LED +: pick-emitting diode anode 
LED-: pick-emitting 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 
VOL-/REV: On a short press, long press volume down 

Control: 
EN: Bluetooth connection is high (+3.3 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: KRC-86B V4.0
3, click: KRC-86B V4.0, 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 phone/tablet/other bluetooth devices play music, watch movies, play games

بخشها :
شناسه کالا: 368830
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