RS232:

This industrial-grade RS232 shield from DFRobot is specially designed to expand one RS232 port(D-Sub, 9Pin, male) for LattePanda V1. With the characteristics of signal isolation, power isolation, lightning and surge protection, transient impulse voltage resistance, and bus protection, the module supports reliable data transmission and also can effectively protect your LattePanda mainboard.

RS485:

An industrial-grade RS485 shield for LattePanda! It is designed to expand a reliable RS485 interface(OPEN4) for LattePanda V1. The receiving and sending of the module are isolated and it features signal isolation, power isolation, lightning surge protection, transient voltage resistance, and bus-protection, which assures reliable data transmission and effectively protects your LattePanda main-board. Apart from that, the module offers 12V power output and comes with on-board 120Ω terminal matching resistor that can be controlled by the switch.

Features:

Signal & power isolation
Reliable transmission
Up to 115200 bps communication baud rate
Easy to connect and use
No effect on the cooling performance of mainboard
DB9 adapter and copper columns

Specifications:

Operating Voltage: 5V
TTL Level: 1.8V
Operating Temperature: -40℃ to +85℃
Baud Rate: up to 115200 bps
Isolation Voltage: 2500VDC
EIA/TIA-232-F Standard Compliant
Not Support Hot Plugging
Output Voltage: 12V ( for RS485 Connector )

Documents:

Warranty: 90 days

Warranty will not apply if Product fails or is damaged after delivery to you due to accident, abuse or misuse.

Package Includes:

RS232:
- 1 x RS232 / RS485 Connector Expansion Shield for LattePanda V1
- 1 x DB9 Adapter Female to Female
- 3 x M3 Double-way Hexagonal Copper Column(12mm)
- 6 x M3 Round Head Screws
RS485:
- 1 x RS485 Connector Expansion Shield for LattePanda V1
- 3 x M3 Double-way Hexagonal Copper Column(12mm)
- 6 x M3 Round Head Screw