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An Open-Source Tool That Uses Mini MP3 Player miniPlayer
Reference Materials£ºhttps://pan.baidu.com/s/1o7XXRkA
It Is Small and InexpensiveMP3Module£¬Can Be Directly Connected to the Speaker¡£Module with Power Supply Battery¡¢The Speaker¡¢Button Can Be Used Alone£¬It Can Also Be Controlled by Serial Port.£¬AsArduino UNOOr a Module of Any Single Chip Microcomputer with Serial Port¡£The Module Itself Is Perfectly IntegratedMP3¡¢WAV¡¢WMAHard Decoding¡£Software SupportTFCard Driver£¬SupportFAT16¡¢FAT32File System¡£The Specified Music Can Be Played through a Simple Serial Port Command.£¬and How to Play Music£¬No Tedious Underlying Operations Are Required.£¬Easy to Use£¬Stable and Reliable¡£
Technical Specifications
1¡¢Sampling Rate Supported(KHz):8/11.025/12/16/22.05/24/32/44.1/48
2¡¢24BitDACOutput£¬Dynamic Range Support:90dB£¬Signal-to-Noise Ratio Support:85dB
3¡¢Fully SupportedFAT16¡¢FAT32File System£¬Maximum Support32GofTFCard£¬Support32GofUPlate¡¢64MByteNORFLASH
4¡¢Multiple Control Modes Are Available.¡£IOControl Mode¡¢Serial Port Mode¡¢ADKey-Press Mode
5¡¢Broadcast Insertion Function£¬You Can Pause the Background Music Being Played.¡£After the Advertisement Is Played, Return to the Background Sound and Continue Playing.
6¡¢Sort Audio Data by Folder£¬Supports up100Folders£¬Can Be Assigned Every Folder255First Track
7¡¢30Level Volume Adjustable£¬6ClassEQAdjustable
Application
1¡¢ Vehicle Navigation Voice Broadcast
2¡¢ Highway Transportation Inspection¡¢Toll Station Voice Prompt
3¡¢ Train Station¡¢Voice Prompt for Bus Station Security Check
4¡¢ Power¡¢Communication¡¢Voice Prompt for Financial Business Hall
5¡¢ Vehicle Entry¡¢Outbound Channel Verification Voice Prompt
6¡¢ **Voice Prompt for Border Inspection Channel
7¡¢ Multi-Channel Voice Alarm Or Device Operation Guide Voice
8¡¢ Electric Coach Safe Driving Voice Notice
9¡¢ Automatic Alarm for Mechanical and Electrical Equipment Failure
10¡¢Fire Voice Alarm Prompt
11¡¢Automatic Broadcasting Equipment£¬Scheduled Broadcast
Related Information Link£º
Shopping Notes£º
1.About Delivery£ºFor Example, from Monday to Saturday16:00Previous Payment£¨Model<=5Kind£©£¬Try Our Best to Deliver the Goods on the Same Day£¬If You Encounter out of Stock Or OtherteWe WillDiContact You at a Time£¬SundayandNo Delivery on Holidays£¬But Orders Can Be Received£¡
2.On Receipt: We Will Strictly Check and Package before Shipment£¬But There Will Also Be Unsatisfactory Situations.£¬So When Receiving the Package£¬Be Sure to Check Carefully in Front of the Courier£¬Sign for It after Confirming That There Is No Problem.¡£If There Is a Problem£¬Please Reject Or Ask the Delivery Staff to Issue Written Instructions.£¬And Contact Customer Service£¬Once the Sign-off£¬I Think You Have Confirmed the Package£¬The Quantity Is Correct.£¬The Goods Are in Good Condition¡£
3.On Return£º Please Take a Test First after Receiving the Goods£¬Confirm Correct Welding¡£Such Problematic£¬Please Receive the Goods7Days£¬No Longer Processed If the Time Is Exceeded£¬Thank You£¡Components That Need to Be Returned and Exchanged Cannot Be Affected.DiSecondary Sales£¬PINs Cannot Be Soldered£¬Can`t Squeeze Collision Deformation£¬Stain¡£ Affecting the Second Sale£¬Whether It Is a Quality Problem Or a Replacement£¬No£¡Thanks for Understanding
4.On the Invoice£ºOrderNo Matter How Much the Amount Is-OpenHairTicket¡£
000000000Pro£¬Receipt£¬Stamped with Official Seal£¬It Can Also Be Reimbursed£¡ 000000000
000000000£¨Tips£ºPro-£¡If Invoice Is Required£¬Please Contact Customer Service£¬and Send the Invoice Unit to the Customer Service Staff£»Or Note the Invoice Unit,And Contact Customer Service£»In Order to Avoid Unnecessary Trouble to Both Parties Caused by Missing Or Staggered Invoices£¬Thank You¡££©
5.teDon`t Prompt£ºIf the Customer Service Is Not Available£¬Can Directly Order the Product£¬We Will inDiDeliver the Goods to You at a Time¡£
If You Want to Buy Multiple Products£¬To Save Your Precious Time£¬You Can Refer to the following Methods to Purchase£º