Description:
KRC-86B V4.0 is based on the CSR 8630 Bluetooth chip that is perfect for creating your own wireless speaker or headphones or for any other use where you need to add a Bluetooth audio receiver to your project. It also supports an AUX input with automatic source selection.
In KRC-86B Series, the power is automatically turned on. The process of automatic initialization is probably completed around 5s after the module is powered.
After initialization, it automatically connects back to the last connected device and then the LED starts blinking. If the device is not connected to the device, the module automatically enters the pairing mode.
The CSR8630 QFN single-chip Bluetooth audio ROM device targets mid-range Bluetooth A2DP audio sink stereo speakers. The Bluetooth module provides a complete 2.4GHz. Bluetooth system based on the BlueCore CSR8630 chipset which is a single-chip radio and baseband IC for Bluetooth systems. This module is fully compliant to Bluetooth v4.0 for an audio communications processor with embedded flash memory, a high-performance stereo codec, a power management subsystem and LED drivers.
Application:
audio systems
remote control
Features:
Password: 0000
Bluetooth Version: V4.0 + EDR
Receive Distance: Up to 20 meters of about 10 m, unobstructed case
Small Size: 30 * 30mm
Power: 3V~5 V
A set of stereo AUX audio input
A set of stereo audio output
A Bluetooth indicator
A Bluetooth status control output
5 key ports
Pinout:
VCC: Positive power supply 3~5V
GND: Negative one
LED+: Connected diode anode
LED-: Connected diode cathode
AGND: connected to an audio signal Cathode
OUTR: Right Output
OUTL: Left Output
INR: AUX right input
INL: AUX left input
com: button common terminal
Play / Stop: Play / Pause
VOL + / NEXT: short press next song, long press volume up
VOL - / REV: short press last song, long press volume down
EN: Bluetooth connection is high level (3.3V), disconnect the Bluetooth low level
NC: Function Reserved