Sipeed Dual Serial Port To USB Module Programmable ESP8285/ESP8266/ESP32

1. On-board DCDC provides large current 3.3V power output.

2. Double serial port, with BOOT/RST output, suitable for ESP8266/ESP32/K210 and other automatic burning.

3. Double serial port speed is up to 3Mbps, burning K210 rate is more than 80KB/s .

4. On-board 4LED indicates the status of double serial port DTR and RTS .

5. On-board s-recovery fuse .

6. Type-C interface, USB-A male interface is optional .

About shipping
Shipping and Packaging All itwill be double checked and well packed before sending.Itwill be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for e areas,it may take a little longer). 

Special Announcement:
Please fill in the correct and detailed consignee, address and phone number in the order. For fast and correct delivery.If you do not receive order within 30 working days,please feel free to contact Customer Service before leaving Negative and Neutral Feedback, we will do our best to help you resolve the problem.TaxNo, you will only pay what is quoted as total cost at checkout, no more. You are not expected to pay any additional duties ores. If you are asked by Customs or our logistic partner to pay duties, please contact our Customer Service .

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If the product is not on good condition, You can return this product within 14 working days, please contact customer service center before returning.FeedbackYour satisfaction is our first priorityIf you receive the order and it is in good condition,we would be grateful if you would leave us 5 star Positive Feedback for the transaction.