UNO PLUS is a development board compatible with the Arduino UNO R3, an improver & enhanced alternative solution for Arduino UNO R3.



UNO PLUS

UNO R3

Remarks

Operating voltage

5V/3.3V

5V

Dual voltage level to support more shields

Reset

Lateral

Vertical

Lateral button is easier to use when connecting with shield

Boot loader switch

Yes

No

The board can be configured to run program immediately when power-by the switch

USB connector

Micro USB

USB Type B

Micro connector is more commonly used, and shields won’t be blocked anymore while connecting

DC jack

Low profile

Normal height

Shields won’t be blocked anymore while connecting

Power output header

Yes

No

Providing 5V/3.3V power output OR common-grounding with other boards

3.3V power output

800mA Max

150mA Max

UNO PLUS features higher driving capability

Oscillator

Crystal oscillator

Ceramic oscillator

Crystal oscillator suitable for applications where accurate clock reference is required

ADC channel

7

6

An additional channel ADC6 form the Reserved PIN

Connecting with prototype breadboard

Supported

Not supported

Solder pads is provided for DIY interfaces to connecting with prototype breadboard

USB driver

Compatible with all main system

Doesn’t compatible with Win7/Win8 Express Edition

Driver will never failed to install thanks to the onboard FT232

Firmware fixing

Supported

Not supported

Firmware can be fixed by using the onboard FT232, no extra programmer is needed