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Dual-channel RS485 Expansion HAT for Raspberry Pi
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£27.50
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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.
Connection Example - RS485 Expansion HAT and Laser Ranging Sensor
Features
- Dual Channel RS485
- Electrical & signal isolation
- Lightning & surge protection
- Transient voltage suppressor
- RX/TX data transmitting/receiving indicator
Specifications
- 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
- Raspberry Pi 3B+/4B Supported
- Mounting Hole Size: diameter 2.5mm
- Dimension (Package Not Included): 56×65mm
Resources
Package Contents
- 1x RS485 Expansion HAT for Raspberry Pi
- 4x Copper Column & Screw
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