Home > USB Adapters > CH340B USB to RS485 Isolated Serial Converter Adapter
  • CH340B USB to RS485 Isolated Serial Converter Adapter
  • CH340B USB to RS485 Isolated Serial Converter Adapter
  • CH340B USB to RS485 Isolated Serial Converter Adapter
  • CH340B USB to RS485 Isolated Serial Converter Adapter
  • CH340B USB to RS485 Isolated Serial Converter Adapter
1/1
  • CH340B USB to RS485 Isolated Serial Converter Adapter
  • CH340B USB to RS485 Isolated Serial Converter Adapter
  • CH340B USB to RS485 Isolated Serial Converter Adapter
  • CH340B USB to RS485 Isolated Serial Converter Adapter
  • CH340B USB to RS485 Isolated Serial Converter Adapter

CH340B USB to RS485 Isolated Serial Converter Adapter

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  • CH340B USB to RS485 Isolated Serial Converter Adapter
  • CH340B USB to RS485 Isolated Serial Converter Adapter
  • CH340B USB to RS485 Isolated Serial Converter Adapter
  • CH340B USB to RS485 Isolated Serial Converter Adapter
  • CH340B USB to RS485 Isolated Serial Converter Adapter
  • CH340B USB to RS485 Isolated Serial Converter Adapter
  • CH340B USB to RS485 Isolated Serial Converter Adapter
  • CH340B USB to RS485 Isolated Serial Converter Adapter
  • CH340B USB to RS485 Isolated Serial Converter Adapter
  • CH340B USB to RS485 Isolated Serial Converter Adapter
1/1
  • CH340B USB to RS485 Isolated Serial Converter Adapter
  • CH340B USB to RS485 Isolated Serial Converter Adapter
  • CH340B USB to RS485 Isolated Serial Converter Adapter
  • CH340B USB to RS485 Isolated Serial Converter Adapter
  • CH340B USB to RS485 Isolated Serial Converter Adapter
  • Description

CH340B USB to RS485 Isolated Serial Converter Adapter
Pinout: DATA+, DATA-,GND,VCC(5V)

http://www.wch-ic.com/





Introduction

CH340 is a USB converter chip, which converts USB to serial UART interface or to printer interface. In UART mode, CH340 provides common MODEM interface signals, to expand UART interface of computer or upgrade common serial communication devices to USB directly. For more information about converting USB to printer interface

Features

  • Full speed USB device interface, USB 2.0 compatible.

  • Emulate standard UART interface, used to upgrade the original serial devices or expand additional UART via USB.

  • Original UART applications are totally compatible without any modification.

  • Hardware full duplex serial UART interface, integrated transmit-receive buffer, supports communication baudrates varies from 50bps to 2Mbps.

  • Supports common MODEM interface signals RTS, DTR, DCD, RI, DSR and CTS.

  • Provides further RS232, RS485, RS422 interface, etc. through external voltage conversion chip.

  • CH340R supports IrDA specification SIR infrared communication, supports baudrates varies from 2400bps to 115200bps.

  • Software compatible with CH341, customers can use driver of CH341 directly.

  • Supports 5V and 3.3V power supply even supports as low as 3V.

  • CH340C/N/K/E and CH340B integrate 12MHz clock, no external crystal required, CH340B also integrates EEPROM used to configure the serial number, etc.

  • RoHS compliant SOP-16, SOP-8, SSOP-20 and ESSOP-10, MSOP-10 lead-free package.


>> Shipping & Handling
1. Processing Time: 1-3 days for all orders.
2. Special Requests: Please list your special requests (color, package, etc) in the Notes Section when check out.
3. Shipping Way: Most orders(less than 2KG) are shipped by Aliexpress standard shipping / Netherland Post / Swiss Post

Under $5 orders are shipped by Seller Method Shipping.

Any other requirements about the shipping way, please contact us.

4. Delivery Time: Normally 15-60 days to get the order, except Brazil.Sometime the transit time may be long and vary,particularly during the holiday season.
Please contact us if you need help for the tracking.
5. Import Duties: Import duties, taxes and charges are not included in the item price or shipping charges.

>> Return & Refund

Return Policy: We accept Aliexpress return policy; Buyer pays return shipping.

Refund Policy: We provide reliable service policy.

bull If you receive the goods broken. Contact us for Full money refund or replacement.

bull If you don't receive the goods in stated delivery time. Contact us for Full money refund or replacement.

bull If you receive the goods with quality problem, contact us for half or full amount refund.

bull Any disatified with the product, please contact us first instead to open dispute or leave negative feedback.

>> Feedback

If you are satisfied with the item while it is in good condition, we sincerely to invite you to leave us all 5-star rating positive feedback.
If you are disatisfied with the item or service, please contact us first, we will supply the best solution and work harder to give you more excellent service.


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