Content for UART

UART

A universal asynchronous receiver-transmitter (UART) is a computer hardware device for asynchronous serial communication in which the data format and transmission speeds are configurable. The electric signaling levels and methods are handled by a driver circuit external to the UART. A UART is usually an individual (or part of an) integrated circuit (IC) used for serial communications over a computer or peripheral device serial port. One or more UART peripherals are commonly integrated in microcontroller chips. A related device, the universal synchronous and asynchronous receiver-transmitter (USART) also supports synchronous operation.

A full-duplex tiny AVR software UART

“I’ve written a few software UARTs for AVR MCUs. All of them have bit-banged the output, using cycle-counted assembler busy loops to time the output of each bit. The code requires interrupts to be disabled to ensure accurate timing …

a tiny software UART TX for the AVR ATtiny

“The serial port is a very commonly used interface for communicating between a microcontroller and a PC for debugging or sending or receiving some values. Most microcontrollers include a hardware peripheral called UART (Universal Asynchroneous Receiver Transmitter) which handles the …

USB to UART Converter with GPIO MCP220

“The Module is based on The MCP2200, which is a USB-to-UART serial converter which enables USB connectivity in application that have a UART interface. The device reduces external components by integrating the USB termination resistors. The MCP2200 also …

Half duplex UART from single AVR pin

“Smaller microcontrollers like Attiny84 microcontrollers dont have UART interface and in many cases you may not need it. But if you will want to have an USART option, you will need to user software USART library or write your own …

serial over webaudio

“At the last hardware hack night, Jake and I got a web page to transmit uart serial data to an arduino at 9600 baud using the webaudio browser api. Sending serial data from an ordinary web page is interesting because …