10pcs R411B01 3.3V Auto RS485 to TTL RS232 Transceiver Converter SP3485 Module for Raspberry pi Breadboard Banana pi ESP8266

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About this item
Operating Voltage : DC 3.3V
Logic level  : 3.3V LvTTL  Logic level 
RS485 BUS IC : SP3485
Read and write automatic control IC :SM74HC04
Size : 17.9x11.7x2.8mm(
Weight : 0.7g

Wiring Diagram:
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RS485 Temperature and humidity sensor
PTZ camera
LED controller
RS485 Relay
485 sensor
automated manufacturing line
Wifi to RS485(ESP8266)
Bluetooth to RS485(HC-05/HC06)
Wireless Module to RS485(HC-11)
Ethernet to RS485( Ethernet TTL Module)
Package Included:
10 x R411B01 3.3V Auto RS485 to TTL RS232 Transceiver Converter

Shipping information

(1) FREE Shipping 10 - 15 business days, (2) Standard Shipping 7 - 12 business days.

Shipping and Delivery Estimates

We ship in-stock orders as soon as possible. This is often within two business days, but there are situations where it may take longer. All estimates are based on business days.


(1) The shipping time mentioned above refers to the estimated time of business days that the shipment will take after an order has been shipped.

(2) Business days do not include Saturday/Sunday and any public holidays.

(3) These estimates are based on normal circumstances and are not a guarantee of delivery times.

(4) We are not responsible for the failures or delays in delivery resulting from any force majeure event, such as natural disaster, bad weather, war, customs issues, and any other event beyond our direct control.

for more information please visit our Shipping Policy Page.

Return and exchanges

Our policy lasts 14 days. If 14 days have gone by since your purchase, unfortunately we can't offer you a refund or exchange. To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.

for more information please visit our Refunds & Returns Policy page.