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Since the UART's communication protocol is simple, it can be emulated by bit banging GPIO pins in software on modern microcontrollers (e.g. Arduino [18] or Teensy [19]), or on programmable I/O state machines (e.g. Raspberry Pi Pico's PIO [20] [21] or NXP's FlexIO [22]).
The USART's synchronous capabilities were primarily intended to support synchronous protocols like IBM's synchronous transmit-receive (STR), binary synchronous communications (BSC), synchronous data link control (SDLC), and the ISO-standard high-level data link control (HDLC) synchronous link-layer protocols, which were used with synchronous voice-frequency modems.
Thread is an IPv6-based, low-power mesh networking technology for Internet of things (IoT) products. [1] The Thread protocol specification is available at no cost; however, this requires agreement and continued adherence to an end-user license agreement (EULA), which states "Membership in Thread Group is necessary to implement, practice, and ship Thread technology and Thread Group specifications."
An alternate formulation states that protocols are to communication what algorithms are to computation. [4] Multiple protocols often describe different aspects of a single communication. A group of protocols designed to work together is known as a protocol suite; when implemented in software they are a protocol stack.
LIN (Local Interconnect Network) is a network protocol used for communication between components in modern vehicles. It is a low-cost single-wire serial protocol that supports communications up to 19.2 Kbit/s with a maximum bus length of 40 metres (131.2 ft).
X10 is a protocol for communication among electronic devices used for home automation (domotics). It primarily uses power line wiring for signaling and control, where the signals involve brief radio frequency bursts representing digital information. A wireless radio-based protocol transport is also defined.
Full duplex communication in the default version of this protocol; Push-pull drivers (as opposed to open drain) provide relatively good signal integrity and high speed; Higher throughput than I²C or SMBus. SPI's protocol has no maximum clock speed, however: Individual devices specify acceptable clock frequencies; Wiring and electronics limit ...
The Arduino Uno is an open-source microcontroller board based on the Microchip ATmega328P microcontroller (MCU) and developed by Arduino.cc and initially released in 2010. [2] [3] The microcontroller board is equipped with sets of digital and analog input/output (I/O) pins that may be interfaced to various expansion boards (shields) and other circuits. [1]