1. The product is made of high quality materials, quality is guaranteed
2. This module can be used for: debugging LD3320 integrated microcontroller board, debugging STM32LD3320 board, debugging GSM module
3. Product performance is stable, long service life
4. Products using the chip: CH340C
5. Module with large capacitance anti-impact, with power indicator, with power switch, on-board fuse
Interface description:
TXD: Transmitter of the module
RXD: the module's transmitter, connected to the other side of the acceptance of RXD
RXD: the receiving end of the module
Connect to the other side of the transmitter TXD
All GND are the same, do not distinguish
All 5V are the same, no distinction.
Shipping list:
Module X1
1.We only ship to the confirmed address provided by eBay. please make sure your ebay address is 100% matches the address you would like us to ship to. If not, please let us know before we sent you the package, or we will not be responsible for any loss. hope you could understand.
2.Orders will be processed instantly and dispatched within 1-2 business days except hoilday, so we do NOT accept any email/message note after you place orders.
3.All package need to wait 30 days,Please take care it.Less than 30 days,we can't take a refund.
1.We accept PayPal payment ONLY, and must be received within 5 days from the date of purchase.
2. It is easy and safe for you to pay by credit cards, debit cards, bank transfers and PayPal account balances.
3.Buyers are responsible for import duties,custom fees and taxes, if any, please check your country.
1.We believe our items are so outstanding. We are convinced you will be happy with your Purchase.
2. If you do not satisfy with our items. Please simply return to us within 30 Days in original condition. Just pay for the returned postage. Then we can issue full refund or resend the item to you after the returned item arrived at our warehouse.
3. Please include your eBay ID and item number with any email requests.