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Home > download > Product Catalogue > Arduino Compatible > Arduino Main Board > BUONO UNO LC Arduino UNO Compatible Board

BUONO UNO LC Arduino UNO Compatible Board

Arduino compatible board
ATmega328P
6Pin USB2Serial Light
ATmega328P Chipset
Very Good cost performance
Line Regulator, low noise

Overview

    BUONO UNO LC is an Arduino compatible board, It’s based on Arduino UNO R3 design, So you can use UNO LC as Arduino UNO, All Code, shield and IDE for Arduino UNO R3 are also valid on UNO LC, Some visible improvement on hardware make BUONO more flexible and easier use , For example: 3.3V or 5V IO selectable allow you connect some 3.3V modules (such as XBee) to BUONO directly.

 

Parameter

    Microcontroller                                   ATmega328P or MD328D

    Operating Voltage                             5V or 3.3V

    Input Voltage (recommended)         7-12V

    Input Voltage (limit)                            6-35V

    Digital I/O Pins                                    14 (of which 6 provide PWM output)

    PWM Digital I/O Pins                          6

    Analog Input Pins                               6

    DC Current per I/O Pin                       20 mA

    DC Current for 5V Pin                        880mA(See Notice)

    DC Current for 3.3V Pin                     600 mA

    Flash Memory                                     32 KB (ATmega328P)

                                                                   of which 0.5 KB used by bootloader

    SRAM                                                    2 KB (ATmega328P)

    EEPROM                                             1 KB (ATmega328P)

    Clock Speed                                       16 MHz

    Length                                                 68.6 mm

    Width                                                   53.4 mm

 

Notice

    The 5V Current limit is depended on the voltage difference between input and output , the regulator power consumption can be calculated below:

Pcm = (Vin - Vout) * Icm

    In UNO LC’s design , the Pcm must limit within 3.5W , so if the Input voltage is 9V , the voltage difference is 9V-5V = 4V ,to  limit Pcm  within 3.5W ,the current consumption must limit within 3.5V/4V = 0.875A.

    The 3.3V max current consumption must limit within 600mA.

    Again , the 3.3V LDO is serial to 5V regulator, to calculated 5V power consumption , must consider the 3.3V current consumption.


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