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What is UART Communication?

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Do you remember the printers, mice, and modems back then? They all have huge and bulky connectors and thick cables that must be screwed onto your computer. These devices communicate with computers using the UART protocol.

 

RS232 RS485 RS422 USB to UART Serial Cable

Although USB has almost completely replaced old cables and connectors, UART is definitely not outdated. You will find that many projects currently use UART's GPS module, Bluetooth module, and RFID reader module to connect to Raspberry Pi, Arduino, or other microcontrollers.

 

FTDI USB to RJ45 UART TTL Serial Console Cable

 

Universal Asynchronous Receiver/Transmitter, commonly known as UART. It converts the data to be transmitted between serial communication and parallel communication. As a chip that converts parallel input signals into serial output signals, UART is usually integrated into other communication interface connections.

 

 USB to RJ12 RJ45 UART GPS Module Serial Cable

 

It is not a communication protocol like SPI and I2C, but an independent physical circuit or independent IC in a microcontroller.

 

In UART communication, two UARTs communicate directly with each other. Sending UART converts parallel data from control devices such as CPUs into serial form and sends it serially to the receiving UART. The receiving UART then converts the serial data back to the receiving device's parallel data. Only two wires are required to transmit data between two UARTs.

 

FTDI USB to UART Bluetooth Module Serial Cable

 

The biggest advantage of UART is that it can transfer data between devices using only two wires. UART interfaces are commonly referred to as RS-232, RS-422, or RS-485


Premier Cable provides UART Serial Cable with RS232 RS485 RS422 interface. We are a professional supplier of Serial Cable wire harness assembly, using original FTDI chips and high-quality Taiwanese raw materials. We have over a hundred types of molds to choose from, with fast delivery speed to meet your different customization requirements. Contact us now to learn more!

 

UART RFID Reader Module Serial FTDI USB to RJ11 RJ12 RJ45 Cable

USB to Ethernet Converter UART Serial Raspberry PI Cable

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