# RS485 Adapter — hardware version 1.1

> This is a 3-in-1 UART to RS485 converter. Can be used as a Raspberry Pi Hat, can connect to Arduino, and can connect to a computer via USB. It contains a CP2102N chip.

Canonical page: https://9o.at/products/rs1/1.1
Product code: RS1. Hardware version: 1.1.

## Documents
- Datasheet (English): https://raw.githubusercontent.com/tomrodinger/Raspberry_Pi_HAT_RS485/main/datasheet/rs485_adapter_datasheet_latest.pdf
- Schematic (PDF): https://raw.githubusercontent.com/tomrodinger/Raspberry_Pi_HAT_RS485/main/PCB/1.1/schematic/1.1-index-schTop.pdf
- Hardware design files on GitHub: https://github.com/tomrodinger/Raspberry_Pi_HAT_RS485/tree/main/PCB/1.1
- Python API reference (Markdown): https://9o.at/docs/python.md
- Arduino API reference (Markdown): https://9o.at/docs/arduino.md
- MCP server (drive the motor from an AI assistant): https://github.com/Gearotons/servomotor-mcp
- Store: https://gearotons.com/store

## Firmware
No firmware files are published for this hardware version.