mp3 lossless decoder board mp3 decoder TF card U disk MP3 decoder player module with amplifier
Module highlights:
● Super sound quality, onboard 2W mono power amplifier(5V power supply up to 3W, power supply current above 500mA)Connect the speaker directly(It is recommended to match 4Ω 3W speakers), 3.5mm gold-plated earphone socket can be connected to earphones or external speakers.
● With MicroUSB power supply interface, use mobile power or USB charger to supply power through mobile phone data cable, or 3.7V lithium battery, USB 5V power supply.
● Support TF card(Mobile phone storage card), U disk playback mode.
● With speaker terminals, no welding is required, which is convenient for wiring.
● Modular design is convenient for modification.
product description:
1) Support MP3 format, automatically play when power on, and update the red LED indicator when playing.
2) Support U Disk(32G tested), TF card(Tested 16G)Play mode: The default TF card mode is powered on. If the TF card does not exist, it will automatically jump to U disk mode and both devices are installed. You can manually set the play mode. For details, please refer to the button operation instructions.
3) Press the button to adjust the up and down track switching, volume +-, pause/play, mode switching, please see the button operation instructions for details.
4) Press the button to set the“single/full song”loop, power on the default full song loop, press the“Repeat”key to change the loop mode
Key operation instructions
“Prev/V--” key: “short press”to switch“previous”song,“long press” For “decrease volume”
“Next/v++”key: “short press”to switch“next”song,“long press” For “volume increment”
“P/P/Mode” key: “short press”to“play/pause”switch,“long press”to U Disk, TF card “mode”select
“Repeat” key: “short press”, it is “single/full song” cycle switch(No long press function)
Note: 1.“Long press”The time is about 2S
2. If you use USB flash drive mode, it is recommended to supply 5V power supply, some USB flash drives do not support 3.7V power supply.
Product specifications
Power supply range: 3.7~5.5V
Product size: 45mm*36mm
Schematic: http://www.chipkingdom.com/upfile/201531917474080714.pdf
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