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Arduino Uno is an open-source microcontroller board based on the ATmega328P microcontroller and developed by Arduino.cc. It has 14 digital I/O pins, 6 analog I/O pins, and can be programmed with the Arduino IDE via a USB cable or a barrel connector.
Arduino is a company, project, and community that designs and manufactures single-board microcontrollers and kits for building digital devices. Learn about the history, hardware, software, applications, and trademark dispute of Arduino.
Learn about the allowable temperature range of devices and systems, and how it affects their performance and reliability. Find out the factors, grades, standards and examples of operating temperature for different applications and contexts.
The Canadian Electrical Code, while developed independently from the NFPA code, is similar in scope and intent to the US NEC, with only minor variations in technical requirement details; harmonization of the CEC and NEC codes is intended to facilitate free trade between the two countries.
Learn about the standards, regulations, and terminology for electrical equipment in places where fire or explosion hazards may exist. Zone 1 is an area where ignitable concentrations of flammable gases, vapors or liquids are likely to exist under normal operating conditions.
ANSI device numbers are used to identify equipment and devices in electrical power systems and industrial automation. They are enumerated in ANSI/IEEE Standard C37.2 and indicate the protective functions performed by each device.
Learn about the ISO 3166-1 standard that defines codes for the names of countries, dependent territories, and special areas of geographical interest. Find out the criteria, information, and disputes for the three sets of country codes: alpha-2, alpha-3, and numeric.
Temperature is a physical quantity that measures the hotness or coldness of a substance. Learn about different temperature scales, such as Celsius, Fahrenheit and Kelvin, and how temperature affects various processes and phenomena.