5pcs lot Bluetooth 4.0 (BLE) LED CC2540 module
|45 days Money back Returns accepted if product not as described, buyer pays return shipping; or keep the product & agree refund with seller.|
Guarantees: On-time Delivery 60 days
Bluetooth 4.0 (BLE) LED CC2540 module
System using TI’s cc2540 as four 120Hz PWM output module 256 is adjustable. Customers LED light control pin of the module is connected to the PWM pin. See the interface definition. You can use the module according to the packet format, packet format data length is 4 bytes, respectively, should be PWM1 ~ PWM4 output PWM duty cycle. Mobile APP by UUID module write operation, write data last PWM output will be 256. Mobile terminal follows the standard Bluetooth 4.0 protocol, received the package containing the specific data, and the corresponding UUID.
|Warranty & Contact US|
1. You have 7 days to contact us and 30 days to return it from the date it was received.
2. Both Replacement and Money Return are accept. Return shipping fee afford with buyer.
3. 12 months Manufacturer’s limited warranty for defective items(excluding Man-made damage).Accessories come with a 3-month warranty.
4. Defective item MUST BE reported and returned within the warranty period.
5.We maintain high standards of excellence and strive for 100% customer satisfaction. Feedback is very important,We hope you can contact us immediately before you give us neutral or negative feedback.
6.If you have any questions, our Customer Service staffs welcome you to email or call us. We strive to answer all questions and resolve any problems as quickly as possible
0 out of 5 (0 Ratings)
|Positive (0 %)||
4 Stars (0)
|Shipping Company||Shipping Cost||Estimated Delivery Time|
|3 - 7 days|
|3 - 7 days|
|5 - 14 days|
|Post Air Mail||Free Shipping||15 - 45 days|
|Return Policy||If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.
N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
|Seller Service||On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).|
2pcs lot 12 channel 2A diameter 12.5mm slip circle+free shipping
QCY QY8 Wireless Stereo Earphones Bluetooth 4.1 Sports Headphones Sweatproof Headset AptX HIFI Music Earbuds For iPhone Xiaomi
US $25.20 / piece
Original Titan Slimmer Vaporizer Pen Starter Kit 7 Colors 650mah Herbal Vaporizer Dry Herb Electronic Cigarette
US $19.20 / piece
25PCS LOT cc3200 spi uart wifi module
5PCS LOT 0.66 inch oled module for time
5pcsFor Arduino MT3608 2A Max DC-DC Step Up Power Module Booster Power Module
online shopping, buying directly from manufacturers?
- Go to Alibaba.com and enter the wanted item into search field.
- Having made your choice, click "Contact supplier" button on the right
- On the next page enter your request and click "Send" button.
- Upon clicking you will be asked to get registered. Do it and wait for the reply.