product characteristics: The product supports plug-maximum the 1G capacity of the SD card; Supports playback of 4Bit ADPCM format files; Automatically recognize the voice files; Loadable 6KHz to 32KHz, 36KHz sampling rate AD4 audio; Loadable 6KHz ~ 16KHz sampling rate WAV audio; 16bitDAC and PWM audio output; Can store up to 512 voice; WTV020-SD-20S, WTV020-SD-16P two module types; Support micro-processor and key control; Voice playback can call any paragraph; Power-down save operation data capabilities; Loaded voice without software assistance to the SD card can be placed directly on the voice; Support file combination play, including mute combination; Operating voltage: DC2.5 ~ 3.6V; Quiescent Current: 16uA (SD card is not inserted) Product Overview: WTV020-SD module is a voice Rewritable content type of mass storage voice module, pluggable maximum capacity of 1GB SD card memory. Can load WAV format voice, and AD4 formats voice. WTV020-SD module voice chip WTV020SD-20S master core, with MP3 control mode, the key one-to-one control mode (3 voice with the voice two), the power-loop control mode as well as the second-line serial control mode. The control mode is set in the chip of the sample preparation, can not be switched during the operation of the various control modes, such as the need to use what mode control, Division I to build. MP3 control mode: play / stop, and the next one, on one, Volume +, Volume - functions. The key one-to-one control mode (3 paragraphs voice): a key corresponding trigger a voice have to play three voice and adjust the volume subtraction function, all buttons are default trigger pulse not repeat. Key one-to-one control mode (5 paragraphs voice): has three control methods (1), all keys are pulse retriggerable; (2) all keys are play / stop trigger (singles not cycle); (3) all keys are play / Stop (single cycle). Power-loop control mode: on power, do not need to trigger any I / O port, and direct all voice Autoplay SD card memory, and has the power and memory point play function when power off and then power on automatically the last power to resume playback voice. Two control modes (1), P04 has a pulse play / pause function; (2), P05 has a level play / pause function. Two-wire serial control mode: CLK clock and send the DI the data line by the microcontroller via data control WTV020-SD module. Free to play the voice of any address. Voice combination play this state, can be performed. Voice updates directly through an SD card reader on a PC replacement. The module supports the FAT file system. Support 6KHz to 32KHz, 36KHz sampling rate AD4 voice and 6KHz ~ 16KHz WAV audio sampling rate, can automatically recognize the voice sampling rate, and the voice file format. Applications: WTV020-SD module can be used in automotive electronics (anti-theft alarm, parking sensor, GPS navigation systems, electronic dog, central locking), smart home system, home burglar alarm, medical instruments, the human voice prompts, music player, home appliances (cooker , rice cookers, microwave ovens), entertainment devices (game consoles, amusement machine) learning model (Zaojiao, children's audio books), intelligent transportation devices (toll stations, car parks), communication equipment (telephone switches, telephones), industrial control areas (elevators, industrial equipment), toys and other fields . 4.Product default model is serial control mode Material Download NOTE:This module is a little fastidious for card,you need to use HCSD(high-speed card) with original package for it. Feedback: Feedback is our life,customer is our god. We appreciate your positive feedback and our system will leave positive feedback for you after complete transaction. We value our customers so that if you have any problem ,please contact us freely, we are always there to help you. Warranty: 90days for all genuine parts. 60days for other parts You need to return our parts for exchange or refund,it’s our police,and you need to pay the return shipping fee. Price: One part number have Various types of condition,that's why the price have big difference on ebay, -----genuine/bulk new/refurbished/used/copy/fake so on if you find our price is higher than other place at the same condition,tell us,we will check and tell you the difference,or we will give you the same or lower price if we can. If you bid on several listings,don't pay,ask us to combine your shipping fee.then pay. We will provide discount if you purchase big quantities,price depend on quantity We would like to provide quality one-stop service for our customer,so if you need other parts,tell us the part number and quantity,we will try our best to service. Picture: All the picture with searchmeonline is take by ourself,you will get the same or similar(stock is changing everyday),the date code may different,but the condition is the same,if the condition is different,we will contact you,please understand. Some picture don't have real picture,we will update it after you buy. Payment: We accept payment through .or a merchant credit card as one of the payment methods for a specific listing. For purchasing multiple items, Please email us for a combined invoice . Generally we would like to receive payment within 48 hours if paying by PayPal. We will not ship items until payment is received / cleared. Thank you for your understanding. Package: We use different package method for different parts,to make it safe on the way,prevent DOA. Shipping: Most items are shipped by postal airmail service within the next 24 hours after received payment. When you buy multiple items that close on the same day, your shipping cost will be combined with discount. We ship to worldwide. Most items will shipped via flat air mail,We will ship your items out with tracking number(free) if your purchase exceeds US$50,if not,and you needtracking number,bid it and contact us to add US$3,if your country is far away,and you lost parcel before,we suggest you contact us to add a tracking number for your parcel. If you don’t receive parcel over 30 business days,please feel free to contact us. From September to the next March is the busy season,so your parcel may be delayed for some days,hope you could understand,thanks Delivery time: United States:all via USPS,7-12days arrive. United Kingdom, Australia 10-21 working days(Add US$5 for Royalmail/AUPOST,the same as EMS) Canada, Western Europe, Northern Europe, Central Europe 15-25 working days(add US$3 for tracking number) Other Country 20-50 working days(add US$3 for tracking number) DHL or EMS SHIPPING SERVICE: You could email us to check express shipping fee to your country; For shipment, please check our shipping detail, it will take 3-5 business days to most of countries, but it will take longer to other countries. The shipment to your PayPal registered address. If you need to change your address, please change it in PayPal first BEFORE you pay. Please provide your correct detailed address and full name. if you choose EMS or DHL express delivery, must provide your telephone number, EMS and DHL Cannot Deliver P.O. Boxes or Zip Codes Address. Laser head: Most of the laser head have one or two anti-static point to prevent static burn laser tube as a security measure. It's better to wear an antistatic wrist strap or wash your hands before welding and installation. When using a high-grade anti-static soldering iron,you can remove the anti-static point directly, ordinary iron requires special attention, heat iron to reached soldering temperature,then remember to turn off the iron's power, prevent static of iron burn laser tube, if you need,we can do it before ship.
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