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.
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|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).|
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