100PCS LOT hc05 bluetooth serial module with backplane
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45 days Money back Returns accepted if product not as described, buyer pays return shipping; or keep the product & agree refund with seller. |
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On-time Delivery Guarantees: On-time Delivery 60 days |
hc05 bluetooth serial module with backplane
1 wiring as follows: (only need to connect 4 wire) Bluetooth connection backplane RX MCU RXD Bluetooth connection MCU TXD floor TX Bluetooth floor GND GND another device connected 5V 5V backplane power Bluetooth connection to another device [Note: HC-05 factory communication baud rate of 9600, AT used to set the baud rate as follows: 1,34 feet set high, then the power, then the AT command used baud rate is 38400. 2, the first power-on, no connection state (lights flash), 34 feet set high once or often set high, the baud rate used for the current baud rate. 3, the first power-on, the next connection status, often set 34 feet high, the baud rate is currently used by AT 9600 baud. When the command to restore the factory software send AT + ORGL, will return to the slave, 38400, designated pairing mode For the convenience of customers before we shipped, made AT + UATR = 9600,0,0 command set to 9600. Host the recurrence AT + ROLE = 1 is set to host and AT + CMODE = 1 is set to an arbitrary pairing mode Two, AT command set as follows: 1, test communications Send: AT (return OK, one second left and right once) Returns: OK
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| Warranty & Contact US |
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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 |
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| Shipping Company | Shipping Cost | Estimated Delivery Time |
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3 - 7 days | |
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3 - 7 days | |
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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. |
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| 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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