Arduino uno pinout, pin diagram, specifications and features. Some models use different processors of different compatibility. A000066 the uno is the best board to get started with electronics and coding. The input voltage to the arduino board when it is running from external power. Find arduino uno pin diagram, pin configuration, technical specifications and features, how to work with arduino and getting started with. Arduino uno pinout diagram microcontroller tutorials. This arduino uno pinout diagram reference will hopefully help you get the most out of this board. The pin configuration is identical on all three processors. Shields designed to work on the arduino uno r3 form factor have power and ground pins on one eight previously six pin header, and analog pins on a sixpin header next to that. Uno means one in italian and is named to mark the upcoming release of arduino 1. The perfect companion while building your arduino projects. While this pinout is a good start, it does not explain the complete story but it does give a good beginning.
Like the duemilanove, it not only has an expanded shield header with a 3. Datasheets, manuals, pin outs, diagrams and other helpful schematics for your. The arduino uno is arguably the most popular arduino board currently available. External supply for arduino mega from range 712 volt is given with this port.
Arduino uno pinout, pin diagram, specifications and features in detail the arduino uno is an opensource microcontroller board that is based on the microchip atmega328p for arduino uno r3 or microchip atmega4809 for arduino uno wifi r2 microcontroller by atmel and was the first usb powered board developed by arduino. This is the main controller used to program and run task for the system. Absolute max per pin 40ma reccomended 20ma the input voltage to the arduino board when it is running from external power. He hits a lot of the important points here, and in addition he explains the limits of all the pins and. Schematic diagram of arduino uno r3 wiring diagram. Gnd power control port pin pin function digital pin. The arduino reference design can use an atmega8, 168, or 328, current models use an atmega328, but an atmega8 is shown in the schematic for reference. When atmega328 chip is used in place of arduino uno, or vice versa, the image below shows the pin mapping between the two. Microcontroller atmega328 operating voltage 5v input voltage recommended 712v input voltage limited 620v digital io pin 14 which provides 6 pwm. Additional features coming with the r3 version are. Last year i found some awesome arduino pinout diagrams with full colour on the arduino forums. It has 14 digital inputoutput pins of which 6 can be used as pwm outputs, 6 analog inputs, a 16 mhz ceramic resonator cstce16m0v53r0, a usb connection, a power jack, an icsp header and a reset button.
Arduino uno pin diagram, specifications, pin configuration. Arduino mega r3 has a voltage regulator for 5v and 3. Arduino board list and systems that support original arduino hardware manufactured by italian smart process company board brand some arduino boards were. The osepp uno r3 plus board is the basic starter model. Like the uno r2 and uno smd, the uno r3 utilizes a second microcontroller to handle usb communications. The arduino uno r3 is a microcontroller board based on the atmega328. Arduino uno pin diagram specifications pin configuration. Arduino uno is a microcontroller board based on the atmega328p. The full arduino uno pinout guide including diagram circuito. Arduino uno pinout, specifications, board layout, pin.
The arduino uno is a microcontroller board based on the. The arduino uno is a microcontroller board based on the atmega328 datasheet. The arduino uno has been a huge hit with electronics enthusiasts from beginner hobbyists to. The uno is the most used and documented board of the whole arduino. The arduino uno pinout guide includes information you need about the different pins of the arduino uno microcontroller and their uses. If this is your first experience tinkering with the platform, the uno is the most robust board you can start playing with. Input voltage in arduino using an external power source 612v.
The arduino uno pinout consists of 14 digital pins, 6 analog inputs, a power jack, usb connection and icsp header. The uno is the latest in a series of usb arduino boards, and the reference model for the arduino platform. Many arduino pinouts have been created over the years but they havent been in a stable location. The uno is pin and codecompatible with the duemilanove, diecimilla and. Select arduino uno w atmega328 from the tools board menu according to the microcontroller on your board. Basic arduino uno r3 simplifies the pinouts which will help you find the pins more easily. If you have created pinouts or have layouts that arent here, or you want to help with maintenance or design of this site, email me or tweet at me. The pin functions for the uno r3 are shown in figure 416. The atmega328 on the arduino uno comes preburned with a boot loader that. Arduino ide integrated development environment is required to program the arduino uno board.
The arduino uno r3is the latest version after the duemilanovewith an improved usb interface chip. The arduino uno is one of the most common and widely used arduino. Check out this handy arduino r3 pinout diagram and write up from nick gammon. Figure 415 shows the block diagram for the uno r3 and uno smd boards. The board has 14 digital io pins six capable of pwm output, 6 analog io pins, and is programmable. The elegoo uno r3 can be programmed with the arduino software download. The guide also discusses different communication protocols used by the arduino and a detailed diagram of the arduino uno board. Power the arduino uno can be powered via the usb connection or with an external power. The arduino uno is an opensource microcontroller board based on the microchip atmega328p microcontroller and developed by arduino. The arduino software includes a wire library to simplify use of the i2c bus. Diagital pins cover the other edge on the opposite side, an eightpin header separated from a 10pin by that weird 0. Handy arduino uno r3 pinout diagram u00ab adafruit industries. Arduino uno revision 3 pinout uno pcb commonly used features are printed on silkscreen the arduino uno pinout is printed in the silkscreen on the top of the part.
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