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Product Description
Dual-channel RS485 Expansion Board SPI Interface for Raspberry Pi 4B/3B+

Feature:

l Brand new and high quality

l Stable performance, multiple protection for long service life

l Adopts SC16IS752+SP3485 dual chip combination, converts SPI to RS485, data rate up to 921600bps, with embedded protection circuits such as power supply isolation, ADI magnetically isolation, and TVS diode, etc

l Allows transceiving data manually or automatically, configured by DIP switch

l Onboard LEDs for indicating the power and transceiver status

l Support Raspberry Pi series motherboard, such as for Raspberry Pi 4B/3B+

l Suitable for industrial automation and other fields

 

Package:

l 1x Dual-channel RS485 Expansion Board






Our company is located in China, East Eight Zone, woking time is 9:00 to 18:00, from Monday to Friday. 
  • We mainly accept payment through PayPal.
  • Payment should be done within 7 days after the end of the Auction. Otherwise Unpaid Item Dispute will be filed with eBay.
  • International Buyers Please Note:
  • a) Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer's responsibility.
  • b) Please check with your country's customs office to determine what these additional costs will be prior to bidding/buying.
  • We ship items to your PayPal confirmed address only. Please make sure your address in PayPal is matched with your shipping address before you pay.
  • We are unable to take any responsibility for wrong address, any custom delay or tax. Transit time is highly depended and provided by Postal Service.

  • All items will be dispatched within 1 business day after receipt of payment. Please notice that orders placed on weekends and public holidays will be dispatched on the next working day

  • It may take longer to other countries or remote areas.
  • If you have not received your shipment within 30 days from payment, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Our goal is 100% customer satisfaction.
  • We back our products with a 30-DAY SATISFACTION GUARANTEE! Customers should inspect item(s) and notify us within 30 days of any problems.
  • If you have a problem with your item, please contact us before leaving feedback. All items being returned must be issued an RMA number BEFORE they are returned.

  • Return shipping is to be paid by the Buyer.

  • 12 months Warranty from the date of purchase covering manufacturing defects. This warranty excludes any damage caused by the user.

  • We greatly appreciate your 5-Star POSITIVE Feedback. We have a program which automatically replies as soon as you leave your feedback.
  • We aim to offer each of our valued customers the 100% Satisfaction Product and Service. So if you have any problem, please e-mail us immediately before leaving neutral/negative feedback. We will give you a satisfying solution according to your will.
  • All communications are handled through Email. We strive to answer all emails as fast as we can.
About Us
Our company is located in China, East Eight Zone, woking time is 9:00 to 18:00, from Monday to Friday. 
Payment
  • We mainly accept payment through PayPal.
  • Payment should be done within 7 days after the end of the Auction. Otherwise Unpaid Item Dispute will be filed with eBay.
  • International Buyers Please Note:
  • a) Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer's responsibility.
  • b) Please check with your country's customs office to determine what these additional costs will be prior to bidding/buying.
Shipping
  • We ship items to your PayPal confirmed address only. Please make sure your address in PayPal is matched with your shipping address before you pay.
  • We are unable to take any responsibility for wrong address, any custom delay or tax. Transit time is highly depended and provided by Postal Service.

  • All items will be dispatched within 1 business day after receipt of payment. Please notice that orders placed on weekends and public holidays will be dispatched on the next working day

  • It may take longer to other countries or remote areas.
  • If you have not received your shipment within 30 days from payment, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Our goal is 100% customer satisfaction.
Returns
  • We back our products with a 30-DAY SATISFACTION GUARANTEE! Customers should inspect item(s) and notify us within 30 days of any problems.
  • If you have a problem with your item, please contact us before leaving feedback. All items being returned must be issued an RMA number BEFORE they are returned.

  • Return shipping is to be paid by the Buyer.

  • 12 months Warranty from the date of purchase covering manufacturing defects. This warranty excludes any damage caused by the user.

Feedback
  • We greatly appreciate your 5-Star POSITIVE Feedback. We have a program which automatically replies as soon as you leave your feedback.
  • We aim to offer each of our valued customers the 100% Satisfaction Product and Service. So if you have any problem, please e-mail us immediately before leaving neutral/negative feedback. We will give you a satisfying solution according to your will.
  • All communications are handled through Email. We strive to answer all emails as fast as we can.
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