Mp3LosslessDecode boardAmplifierMp3 module mp3 decoderTF card U disk decoder player
Superior sound quality,Onboard2WMono amplifier(5VPower up to reach3W) Directly connected horn (recommended with43Wspeaker),3.5mmGold-platedheadsetsocketCan be accessed by headphones or external audio.
WithMicroUSBPower supply interface,byUse the phone data cablemobile powerorUSBCharger power supply, can also be used3.7Vlithium battery,USB 5Vpowered by.
stand byTFcard(Mobile phone memory card),UplatePlay mode.
With a speaker terminal without welding, easy wiring.
Modular design easy to modify.
Schematic diagram: http: //www.chipkingdom.com/upfile/201531917474080714.pdf
1)stand byMP3Format, power on automatically play, When playing the state redledIndicator light update. The following are the same as the "
2)stand byUPlate (tested)32G),TFCard (tested over)16G) Play mode; power on defaultTFCard mode,IfTFCard does not exist automatically jump toUDisk mode,andBoth devices are installed,You can set the playback mode manually. For details, see the key operation instructions.
3)Button to adjust the up and down track switch, volume+ -,time out/Play, mode switch, please refer to the key operation instructions.
4)Can press the key to set "single/Full song "cycle, power on the default full song cycle, press the"Repeat"Key to replace the loop mode
Key operation instructions
"Prev / V--"Key:" short press "to switch" on a song "," long press "to" volume down "
"Next / v ++"Key:" short press "to switch" next song "," long press "for" volume increase "
"P / P / Mode"Key:" short press "to" play/Pause "toggle," long press "toUplate,TFCard "mode" selection
"Repeat"Key:" short press "for" single "/Full song "cycle switch (no long press function)
note:1."Long press" about time2S
2.If usedUDisk mode, recommended5VPower supply, someUDisk does not support3.7Vpowered by.
Power supply range:3.7 ~ 5.5V
Product Size:45mm * 36mm
Exquisite double board design, large area copper, stable and reliable.
Anti-static bag exquisite packaging, to avoid damage to the way of delivery static electricity.