|
R3 PLUS |
OFFICIAL 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 |
Bootloader switch |
Yes |
None |
The board can be configured to run program immediately when power-up 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 |
None |
Providing 5V/3.3V power output OR common-grounding with other boards |
3.3V power output |
800mA Max |
150mA Max |
R3 PLUS features higher driving capability |
Oscillator |
Crystal oscillator |
Ceramic resonator |
Crystal oscillator is suit for applications where accurate clock reference is required |
ADC channel |
8 |
6 |
CFG used as ADC6 by configuration, and ADC7 from 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 systems |
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 |