[Sample Application] SmartDAQ for Arduino UNO R3(Android - FREE version)

[Sample Application] SmartDAQ for Arduino UNO R3(Android - FREE version)

Step by step guide to use Free version SmartDAQ(Android) for Arduino UNO R3

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[Arduino source code for SmartDAQ is released. Please refer to this link.]


This SmartDAQ is a great app used to perform multiple channels control and monitoring. Currently a free version (2 Analog Pins and 6 Digital Pins) is released for user to try out. User can get full version (6 Analog Pins and 18 Digital Pins) by purchasing the DFRduino UNO R3 board from our website. 


SmartDAQ Features:

  • Analog signals reading in voltage unit
  • Digital signals input reading or output control 
  • PWM signals with different frequency and ratio contro
  • Colorful icon to display value high, low, analog input and PWM setting
  • Extra title input for each pin
  • Display multiple signal in graph
  • Record data into file every second
  • Allow user to select the pins to display



  • Multiple voltage signals reading (for temperature sensor...) 
  • Motor speed control
  • Frequency generator
  • Data logger
  • Oscilloscope like graph display


Things to prepare:

  • 1 x Arduino UNO R3 or compatible version
  • 1 x USB-OTG cable
  • 1 x Android smartphone (Honeycomb 3.1 and above)



  1. Download the "SmartDAQ_For_Arduino_UNO_R3_Free_001.hex" file from this link: AVRCIRCUIT (Under [SmartDAQ - Hex Code] > [SmartDAQ for Arduino UNO R3])
  2. Download Xloader from this link: Arduion hex uploader
  3. Configure the data in Xloader
  • Hex file: [Select the SmartDAQ_For_Arduino_UNO_R3_Free_001.hex downloaded in step 1]
  • Device: Uno(ATmega328)
  • COM port: [Select the Arduino connected COM port and user can know this from device manager in Windows OS]
  • Baud rate: 115200
  1. Search and install the Android App, "SmartDAQ" from Google Play into smartphone
  2. Connect Arduino UNO R3 board to USB-OTG cable 
  3. Connect USB-OTG to smartphone
  4. A pop-up dialog will be displayed to ask whether to run this USB device with "SmartDAQ" and click "OK" to enter this Android App



NOTE: Due to there are many compatible versions of Arduino UNO R3 and this SmartDAQ app might not able to support certain USB chip/function which is different from original design.



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