DFRobot Dual-channel RS485 Expansion Hat for Raspberry Pi 4B

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In stock


SKU: 1551166
  1. Operating Voltage: 3.3V
  2. RS485 Transceiver: TP75176E
  3. Serial Chip: CH432T
  4. RS485 Communication Interface ×2
  5. Raspberry Pi 3B+/4B Supported
  6. Mounting Hole Size: diameter 2.5mm

 2,510.00 (Incl. GST)

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Brand: DF Robot
Category: Raspberry Pi Hats
Tags: AI hat for Raspberry PI, DFRobot

RS485 is a common serial communication standard with features such as good noise rejection, long transmission distance, and multi-drop capability. It transmits data using a differential transmission method, which allows it to suppress common-mode interference. RS485 requires a pair of twisted-pair cables and two terminal resistors to eliminate signal reflection during long-distance communication.

This dual-channel RS485 expansion HAT designed for the Raspberry Pi adopts an isolated transceiver to achieve isolation for RS485, which increases the reliability and anti-interference of data transmission in each channel. And it features embedded protection circuits such as a lightning and surge protector, a TVS diode, and power supply isolation to protect the Raspberry Pi development board effectively.

Besides, the order includes a screw accessory kit that allows users to tightly fix this board onto a Raspberry Pi controller.

Applications:
  1. Agricultural Internet of Things
  2. Warehouse Internet of Things
  3. Indoor and Outdoor Environmental Monitoring
  4. Lighting Control
  5. Security Access Control System

Features:

  1. Dual Channel RS485
  2. Electrical & signal isolation
  3. Lightning & surge protection
  4. Transient voltage suppressor
  5. RX/TX data transmitting/receiving indicator

Package Includes:

1 x RS485 Expansion HAT for Raspberry Pi
4 x Copper Column & Screw

SKU: 1551166 Category: Tags: ,
Operating Voltage

3.3V

RS485 Transceiver

TP75176E

Serial Chip

CH432T

RS485 Communication Interface

2

Power Indicator

red

TX Communication Indicator

blue

RX Communication Indicator

green

120Ω Terminal Resistance

2

Wiring Method

5.08-3P pluggable terminal block

Supported device

Raspberry Pi 3B+/4B

Mounting Hole Size

diameter 2.5mm

Dimension(Package Not Included)

56×65mm/2.20×2.56”

Shipping Weight 0.052 kg
Shipping Dimensions 11 × 9 × 3 cm
6 Months Warranty

This item is covered with a supplier warranty of 6 months from the time of delivery against manufacturing defects only. This is a quality product from the original manufacturer. Only manufacturing defects are covered under this warranty. Replacement will be done against manufacturing defects.


What voids the warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China