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Home > download > Product Catalogue > MassDuino > MassDuino Board > Massduino UNO Core MD-328D Mini Module R3

Massduino UNO Core MD-328D Mini Module R3

Arduino IDE Support
Highly compatible to UNO R3
32KB Flash 2KB RAM
10/12/16Bit ADC
Lower Price


MassDuino UNO Core


    Lower Price

    Arduino IDE Support

    Highly compatible to UNO R3

    32KB Flash 2KB RAM

    10/12/16Bit ADC 


          analogRead()           // 10bit ADC, Compatible to UNO R3

          analogRead_12bits() // 12bit ADC , 130 sps

          analogRead_16bits() // 16bit ADC , 125 sps



    Chip level support (MD-328D IC Lower to 0.6USD for mass purchase,click to view)

    Easy for prototype development , directly use for mass production!





    MassDuino UNO Core with UC-340G kit = $4.49(Click to View)


    10pcs MassDuino UNO Core with UC-340G kit = $19.99(Click to View)== USD 1.99/pcs


    100pcs MassDuino UNO Core with UC-340G kit = $129.99(Click to View)== USD 1.29/pcs




    MD-328D core module
    Standard USB2Serial interface for uploading and debugging
    Onboard 2.4GHz RF Module (Optional)
    100% Arduino development environment
    Vertical double row connector, minimum size on the main board
    Full UNO IO supported




    MCU: MD-328D 32K Flash 2K SRAM 10bit ADC
    Working Voltage : 3.3V with onboard LDO
    Input Voltage: DC 4.5 to 12V
    3.3V Output Current : 300mA MAX
    PCBA Size: 20 x 35mm
    Bootloader preprogramming : Arduino UNO R3


Application Schematic


    This schematic is demonstrated how to using UNO Core create 3-ch analog voltage , here we need a PWM to DAC module DAC-3000 , UNO Core use AnalogWrite function to create 3 ch PWM signal and DAC-3000 will converter the PWM to analog output , the output is: Vout = (1-PWM%) * Vref . in here the DAC output range is 0 to 3.3V.
    The Pin24 (VCC_3V3) connected onboard LDO’s output, it will share 3.3V with the module circuit , so the VCC_3V3 Load current have to limited within 300mA , otherwise it will lead the 3.3V unstable , or damaged the module.
    The UNO Core have a onboard RF module design(LC-2000,Clik to View) , the LC-2000 is a 2.4GHz RF UART module , it can be make UNO Core communication via 2.4GHz RF connection, but not all version will be install this module, Please notice the description, we have module number as below:
    UNO Core    :  without RF Module
    RF UNO Core  :  with RF Module(Click to View)


Upload sketch and communication


    RF UNO Core can be uploading sketch and communication via 2.4GHz RF connection , user need a USB Dongle on PC side and we call it LC-2000U , we will release this product in Jan.2016.
    Both RF UNO Core and UNO Core have a onboard UART connector , it’s a 6-Pin 2.0mm Female connector, user can be use stand USB2Serial Light cable to upload and communication with a 2.5mm to 2.0mm convertor. We also provide UC-2102 kit for this usage.

File Name File Size Release Date Click
DS-UC-2102-V01 271.39 KB 04/13/2015 4,572
AN_16006_DAQ-1000 Step by Step Guide 482.99 KB 05/10/2016 2,970
SCH-UM-UNO-V01 UM-UNO Schematic 60.89 KB 01/13/2016 2,731
RF UNO CORE Datasheet 653.48 KB 04/01/2016 3,331
DOC-MASSDUINO-UNO-CORE-V01-20160416 409.6 KB 04/16/2016 3,090
AN-16003-Massduino-introduction 714.84 KB 04/18/2016 3,194
AN-16004-Massduino-UNO-CORE 800.43 KB 04/18/2016 2,896
DOC-MASSDUINO-NANO-V01-20160602 220.99 KB 06/02/2016 2,882
LC3000 Arduino Libraries 120.7 KB 06/04/2016 2,751
ARDUINO-AN-140001-RFID-RC522 10.96 MB 08/22/2016 3,694
SCH-UNO-Pro-V03C-20180823 89.2 KB 08/23/2018 2,092
DOC-UNOPro-V01-20180531 897.73 KB 08/23/2018 1,843
UM-MASSDUINO-V4.6r2-EN 1.23 MB 08/23/2018 3,349

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