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Nieuwe Collectie CSR8645 4.0 Laag Stroomverbruik Bluetooth Stereo Audio Module Ondersteunt Aptx Voor Arduino Diy Robot Rc Speelgoed Tank auto

Introduction

Master control chip CSR8645 bluetooth stereo audio module Can phone bluetooth headset
Can be connected at the same time 2 mobile phone CSR bluetooth 4.0 sound quality better, wall effect is good, APT - x high quality transmission

Introduce CSR8645 software version:

1. Keys: a total of 6 function keys: POWER - EN, PLAY, VOL +, VOL -, PREV, NEXT.
Keys function is introduced as follows:
POWER - EN: switche control module switch machine, through the toggle switch, when the POWER - EN to BAT, boot module;
When the POWER - EN disconnect BAT, module shutdown, usually using battery POWER.
USES the module is powered on, when the phone is switched on POWER - EN series 10 k resistor can only be connected to the BAT, the module can be realized on the electric switch on, usually used in external POWER supply.
PLAY: PLAY/pause (short press), pick up/hang up (long press, a slightly longer time), to match (long press)
VOL + : volume plus
VOL - : the volume reduction
A song on PREV:

NEXT: the NEXT song

2. LED: matching state, double lights flashing, paired, single lamp flashing;
3. USB sound card function;
4. 3.2 V low power alarm, automatically shut down, 3.0 V (realized the AMS1117 power supply);
5. Set to maximum charging current is 250 ma, filled the lights are out, another light (personal advice with the charging module, fast);
6. No connection is always in pairs;
7. Can be connected at the same time two mobile phones;
8..mute: audio amplifier EN control foot, when in a quiet, after a period of time, the output low level;When playing, output high level (1.8 V).