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Home>Electronic Modules>Development Board>For UNO-R3 Development Board Official Version Control ATmega328P Microcontroller Module Compatibility
For UNO-R3 Development Board Official Version Control ATmega328P Microcontroller Module Compatibility

For UNO-R3 Development Board Official Version Control ATmega328P Microcontroller Module CompatibilityItem NO.: UNO R3 official

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  • UNO R3 Development Board Official Edition

     

    Product Information:

     

    The UNO R3 is the latest easy-to-use open source controller released in 2012, with no significant hardware changes compared to UNO. The biggest difference lies in the USB to serial circuit, which uses an ATMaga16U2 microcontroller. As a result, the cost has also increased, and the software part remains the same as before, without significant changes.

     

    Product Features:

     

    1. Pin change: Two I2C pins (SDA and SCL, only copies of Analog 4 and 5, not additional I2C interfaces) have been added next to the AREF pins. In addition, two pins have been added next to RESET, one is IOREF, which allows the expansion board to adapt to the board voltage. This pin only tells the current board voltage of the expansion board (for example, UNO is 5V, which can be seen as a copy of the power pin and does not provide level pull-up), The other is a placeholder pin to be used in the future.

    2. More stable RESET circuit. The position of the RESET key has also changed and has been moved to the corner of the board near the USB interface, making it easier to press.

    3. ATmega16U2 replaces 8U2, which does not mean that having a 16K flash R3 can make your code run faster. This update is for USB interface chip services, theoretically allowing UNO to simulate USB HID, such as MIDI/Joystick/Keyboard.

     

    Feature Description:

     

    ● Open the original design circuit diagram, and download the development software interface for free. You can also modify it according to your needs, making the download program simple and convenient. It is easy to use sensors and various electronic components to connect (such as LED lights, buzzers, buttons, photoresistors, etc.) to create various interesting works

    ● Using a high-speed microprocessor controller (ATMEGA328), the development operation interface and environment are very simple and easy to understand, making it very suitable for beginners to learn.

     

    Performance Description:

     

    ● Digital I/O digital input/output terminals are 0-13 in total.

    ● Analog I/O analog input/output terminals are 0-5 in total.

    ● Support ISP download function.

    ● Input voltage: When connected to the computer USB, there is no need for external power supply, and the external power supply is 5V~9V DC voltage input.

    ● Output voltage: 5V DC voltage output and 3.3V DC voltage output.

    ● Adopting Atmel Atmega328 microprocessor controller.


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