Arduino UNO R3 Compatible ATmega328P CH340 USB Board DIY US Stock

$5.99 $4.35

Arduino UNO R3 Compatible ATmega328P CH340 USB Board DIY US Stock

$5.99 $4.35

SKU: T03-1119 Category: Tags: , ,

The Arduino UNO is a widely used open-source microcontroller board based on the Microchip ATmega328P microcontroller and developed by Arduino.cc.

The 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. The board features 14 Digital pins and 6 Analog pins. It is programmable with the Arduino IDE (Free software) via a type B USB cable. It can be powered by a USB cable or by an external 9-volt battery, though it accepts voltages between 7 and 20 volts.  Layout and production files for some versions of the hardware are also available.

“Uno” means one in Italian and was chosen to mark the release of Arduino Software (IDE) 1.0. The Uno board and version 1.0 of Arduino Software (IDE) were the reference versions of Arduino, now evolved to newer releases.[4] The Uno board is the first in a series of USB Arduino boards and the reference model for the Arduino platform.[3] The ATmega328 on the Arduino Uno comes preprogrammed with a bootloader that allows uploading new code to it without the use of an external hardware programmer. The Arduino UNO is generally considered the most user-friendly and popular board or the Arduino board series,[8][1] with boards being sold worldwide.

The Arduino project started at the Interaction Design Institute Ivrea (IDII) in Ivrea, Italy. At that time, the students used a BASIC Stamp microcontroller at a cost of $100, a considerable expense for many students. In 2003 Hernando Barragán created the development platform Wiring as a Master’s thesis project at IDII, under the supervision of Massimo Banzi and Casey Reas, who are known for work on the Processing language. The project goal was to create simple, low-cost tools for creating digital projects by non-engineers.

Technical specifications

 

  • Microcontroller: Microchip ATmega328P [7]
  • Operating Voltage: 5 Volt
  • Input Voltage: 7 to 20 Volts
  • Digital I/O Pins: 14 (of which 6 provide PWM output)
  • Analog Input Pins: 6
  • DC Current per I/O Pin: 20 mA
  • DC Current for 3.3V Pin: 50 mA
  • Flash Memory: 32 KB of which 0.5 KB used by bootloader
  • SRAM: 2 KB
  • EEPROM: 1 KB
  • Clock Speed: 16 MHz
  • Length: 68.6 mm
  • Width: 53.4 mm
  • Weight: 25 g

USB cable not included. Uses standard printer cable type B

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