Robotpark UNO USB Microcontroller Rev 3 - OEM

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Product Code: 91057-A
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Product Description

The Robotpark ​Uno is a microcontroller board used in robotics based on the ATmega328 microchip.

• Microcontroller: ATmega328
• Operating Voltage: 5V
• Input Voltage (recommended): 7-12V
• Input Voltage (limits): 6-20V
• Digital I/O Pins: 14 (of which 6 provide PWM output)
• Analog Input Pins: 6

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Robotpark UNO USB Microcontroller Rev 3 - OEM info

The Robotpark Uno is a microcontroller board used in robotics based on the ATmega328 microchip. (91057- ATmel ATMega 328 Datasheet.pdf - Download) The ATmega328 has 32 KB (with 0.5 KB used for the bootloader). It also has 2 KB of SRAM and 1 KB of EEPROM. It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz crystal oscillator, a USB connection, a power jack, an ICSP header, and a reset button. It contains everything needed to support the microcontroller; simply connect it to a computer with a 1.5m USB Cable Type A to B or power it with an Wall Adapter Power Supply - 9VDC 650mA or DFRobot 7.4V Lipo 2200mAh Battery (Arduino Power Jack) to get started.


Robotpark UNO USB Microcontroller Rev 3 - OEM - Technical Specifications

• Microcontroller: ATmega328
• Operating Voltage: 5V
• Input Voltage (recommended): 7-12V
• Input Voltage (limits): 6-20V
• Digital I/O Pins: 14 (of which 6 provide PWM output)
• Analog Input Pins: 6
• DC Current per I/O Pin: 40 mA
• DC Current for 3.3V Pin: 50 mA
• Flash Memory: 32 KB (ATmega328) of which 0.5 KB used by bootloader
• SRAM: 2 KB (ATmega328)
• EEPROM: 1 KB (ATmega328)
• Clock Speed: 16 MHz


Robotpark UNO USB Microcontroller Rev 3 - OEM - General Specisifications

The Robotpark Uno differs from all preceding boards in that it does not use the FTDI USB-to-serial driver chip. Instead, it features the Atmega16U2 programmed as a USB-to-serial converter.

• Uno microcontroller module with USB connection
• Wide variety of accessory "Shields" available
• Intended for roboticists, artists, designers and hobbyists
• Variety of I/O pins including analog, digital, PWM and more
• Based on the ATmega328 (removable DIP IC)
• Revision 3

The Uno can be powered via the USB connection or with an external power supply. The power source is selected automatically. External (non-USB) power can come either from an AC-to-DC adapter (wall-wart) or battery. The adapter can be connected by plugging a 2.1mm center-positive plug into the board's power jack. Leads from a battery can be inserted in the Gnd and Vin pin headers of the POWER connector. The board can operate on an external supply of 6 to 20 volts.

The Uno can be programmed with the IDE software. Select "Uno from the Tools > Board menu (according to the microcontroller on your board). The ATmega328 on the Uno comes preburned with a bootloader that allows you to upload new code to it without the use of an external hardware programmer.

The Uno has a number of facilities for communicating with a computer or other microcontrollers. The ATmega328 provides UART TTL (5V) serial communication, which is available on digital pins 0 (RX) and 1 (TX). An ATmega16U2 on the board channels this serial communication over USB and appears as a virtual com port to software on the computer. The '16U2 firmware uses the standard USB COM drivers, and no external driver is needed. However, on Windows, a .inf file is required. The IDE software includes a serial monitor which allows simple textual data to be sent to and from the Uno board. The RX and TX LEDs on the board will flash when data is being transmitted via the USB-to-serial chip and USB connection to the computer (but not for serial communication on pins 0 and 1).

SoftwareSerial library allows for serial communication on any of the Uno's digital pins.

The ATmega328 also supports I2C (TWI) and SPI communication ( 10 (SS), 11 (MOSI), 12 (MISO), 13 (SCK)) . The Arduino software includes a Wire library to simplify use of the I2C bus.


Downloads

Arduino 1.0.5

91057- arduino-uno-schematic

91057- ATmel ATMega 328 Datasheet


 

Useful Links

Comparison of Arduino Boards – 51063

Official Arduino Forum


 

References

ArduinoBoardUno (www.arduino.cc)

Processor
Clockspeed16 MHz
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