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Back to RS485 (5)

RS485-TTL Module

Connect to RS485 network from microcontrollers.

Sunrom Part# 4519

Available We dispatch same day if ordered by 4PM (excluding holidays), then courier usually takes 2-5 days.
Real Time Availability
Ready Stock: 1 nos.
Factory Leadtime for more quantity: 15 days
Quantity Pricing
Quantity :
Price (Discount%)
1-4 :
Rs.285/- (0%)
5-9 :
Rs.276/- (3%)
10-24 :
Rs.265/- (7%)
25-49 :
Rs.257/- (10%)
50-74 :
Rs.251/- (12%)
75-99 :
Rs.242/- (15%)
100-249 :
Rs.234/- (18%)
250-499 :
Rs.228/- (20%)
500-999 :
Rs.222/- (22%)
1000+ :
Rs.214/- (25%)


MAX485 Datasheet

The modules makes it simple to use with microcontroller's UART to to create bidirectional RS485 networks.


  • On-board MAX485 chip, low-power, Slew-Rate Transceiver 
  • RS485 is brought out to 5.08 (mm) pitch 2P terminal for easy wiring RS-485 communication
  • All pins can be controlled by the microcontroller
  • 120R terminating resistor on board
  • Power LED Indication
  • 2.54mm Pitch interfacing.
  • Working voltage: 5V
  • Board size: 44 (mm) x14 (mm)

Typical Connections between MCU and MAX485

MCU MAX485 Details
TX-OUT-UART DI - Data Input  
RX-IN-UART RO - Receive Output  
TX_EN RE-DE combined pins called as TX_EN When MCU Wants to Transmit it makes TE_EN high, else LOW

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