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GRAV-I2C-2-UART
I2C to dual UART
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This module allows to add 2 UARTs with FIFO hardware buffers over I2C bus. The data transmission rate up to 1Mbps over the I2C bus. Each UART can have independant baud rate, word length and check format. The module provides 2Mbps maximum communication rate.
Thanks to the address bits, up to 4 modules can be connected onto the controller to expand its capability up to 8 hardware serial ports.
Having additional UARTs can be very useful for IoT/LoRa module, ultrasonic ranging modules, localisation modules (like GPS), barcode scanner modules, etc.
IF your microcontroler is busy with strict timing requirements tasks like IR receiving or NeoPixel/WS2818 LEDs THEN having exernal UART with its own hardware buffer will drastically reduce the complexity.
Boards like Arduino, Micro:bit, Pi-Zero usually fit 1 or 2 UARTs. Most of the case one of those UART is already in use for programming, monitoring, debugging.
It features:
For each order, you will receive a I2C to Dual UART module and 4 wire gravity cable.