MCU: MD-328D 32K Flash 2K SRAM 16bit ADC
Working Voltage : 3.3V and 5V Selectable
Input Voltage: DC 5.5 to 12V
3.3V Output Current : 300mA MAX
Bootloader preprogramming : Massduino MD-328D
Upload sketch and communication
Download and install Arduino IDE : https://www.arduino.cc/en/Main/Software
Download Massduino support package: https://www.inhaos.com/downcount.php?download_id=218
Install Massduino support package: https://www.inhaos.com/uploadfile/otherpic/UM-MASSDUINO-V3.0-EN.pdf
Download USB to UART cable driver :
Write code , uploading sketch , enjoy it!
Q, What do you mean by 3.3v selectable?
A, The system can be working under 3.3V or 5V which can be selected by a jumper .
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