Gravity: IIC to Dual UART Module
We have ✅ 1 available of the DF-DFR0627 in our Sydney warehouse. An extra 357 units available with a short lead time.
The Gravity IIC to Dual UART Module converts a single I2C connection into two independent hardware serial ports. Each sub-UART has its own 256-byte FIFO buffer for transmitting and receiving, with individually configurable baud rate, word length, and parity settings.
Most controller boards like Arduino, Raspberry Pi, and micro:bit only have one or two UARTs — and one is often reserved for programming or debugging. This module solves the problem by adding two extra serial ports via I2C. Up to four modules can be daisy-chained on a single I2C bus to provide eight additional hardware serial ports.
Key Features
- I2C to Dual UART – Expands one I2C port into two independent serial ports
- Up to 2 Mbps – High-speed communication on each sub-UART
- 256-Byte FIFO Buffer – Independent transmit and receive buffers per channel
- Independent Configuration – Each sub-UART has its own baud rate, word length, and parity settings
- Daisy-Chainable – Connect up to four modules for eight serial ports total
- Gravity Interface – 4-pin I2C connector for plug-and-play connection
Specifications
- Operating Voltage – 3.3V to 5.5V
- Operating Current – Less than 3 mA
- Interface – Gravity I2C 4-pin
- Expanded UARTs – 2
- Operating Temperature – -40°C to +85°C
- Dimensions – 32.5 × 27 mm
Ideal For
- IoT projects requiring multiple serial devices
- GPS and ultrasonic ranging modules
- Speech synthesis and wireless communication modules
- Projects with strict timing requirements (IR receivers, addressable LEDs)
Package Contents
- 1× Gravity IIC to Dual UART Module
Resources
The Gravity: IIC to Dual UART Module appears in the following collections:
