100 In stock
Bluetooth Development Board
CSRA64215 Bluetooth 4.2 Development Board Simulation Demo Boards
我想查查彩票开奖结果Model No: WBDB-CSRA64215
This Bluetooth development board is used to develop related Bluetooth products for developers only, which contains 4M FLASH, it is a fast, convenient, practical, necessary weapon for product development. This development board can be used to develop Bluetooth headset, car hands-free, Bluetooth speakers and so on.
After you buy this development board we will free provide relevant information and software, including simple development process, development tools, development board schematics and so on.
It is a professional item, that need software skills of Bluetooth and neccessary skills of circuit hardware for operation and debugging, if you don't have them, please not buy it. And, we don't provide you any other support except above (development board and tools). If you buy it, it means you accept the terms.
1. Provide 3W amplifier output, then speaker can be used directly as a Bluetooth speaker.
2. Provide 3.5 headphone output interface, can be used directly as a Bluetooth headset when plug the headset.
3. Provide 3.5AUX-IN port, support AUX-IN switch.
4. MIC interface, can be called to call, and provide debugging dual MIC noise cancellation function.
5. SPI debug burning interface, to facilitate the use of debugging.
6. Bluetooth IO port are reserved for the PIN, for development and debugging.
7. 8 keys, 8 IO port with LED instructions IO port working state.
8. Power button MFB provides key to boot and power on two ways.
9. Three-color LED instructions, debugging LED status more convenient.
10. USB communication function, used to debug USB sound card function.
11. This development board backplane can also be used for all other CSR modules.
Introduction of board interface
1. 8 keys and LED, the button for the Bluetooth function control, LED display Bluetooth IO level.
2. Reset key
3. No function (UART output for 57E development board)
4. AIO0 output
5. Soft start button
6. Hard boot switch
7. Power switch
8. Battery input
9. Deputy MIC
10. 3W speaker right channel output
11. 3W speaker left channel output
12. Audio output
13. AUX input
14. AUX-IN Insert Detection Select jumper
15. Main MIC
16. USB input
17. SPI burn interface
18. USB data switch
19. Charge switch
20. Power amplifier switch
21. MIC / AUX selector switch
22. 3-color LED
It is a professional item, that need software skills of Bluetooth and neccessary skills of circuit hardware for operation and debugging, if you don't have them, please not buy it. And, we don't provide you any other support except above (development board and tools).
1.Important: Import duties, taxes and other customs related charges all are not included into shipping cost . Buyers bear all responsibility for all extra charges incurred (if any).
我想查查彩票开奖结果2. We only ship to confirmed order addresses. Your order address MUST MATCH your Shipping address. We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
3. When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
我想查查彩票开奖结果4.Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound. The shipping rate can be showed at the Checkout page. There are two options for shippig as below.
我想查查彩票开奖结果 A. Standard Shipping(≤2KG): The Post Registered Air Mail, ePacket or DHL Global Mail
B. Express Shipping: EMS, DHL, UPS , or Fedex, Special Route.,etc. For faster shipping and smooth transaction, we will change the shipping company among them
You may return most new, unopened items within 7 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
1. One year Manufacturer`s limited Warranty for defective items (excluding items damaged and/or misused after receipt). Accessories come with a 3-month warranty.2. Defective items MUST BE reported and returned within the warranty period (with the original packaging, if possible). You must tell us what the defect is and give us your order number. WE DO NOT REPAIR OR REPLACE ITEMS WITH AN EXPIRED WARRANTY. You agree to all of the above-listed policies upon ordering on our store.