Uno or Pro Mini? Bluetooth or wireless? When it comes to Arduinos, there are a lot of choices. We've compiled every Arduino development board we carry, so you can quickly compare them to find the perfect one for your needs.
ATmega32U4
8 MHz
32 KB
2.5 KB
3.3 V
10
7
0
4
0
0
1
USB Micro-B
Native USB
Yes
No
No
2 in diameter circle
14 sewable tabs, RGB LED, LED bar graph
ATmega328P
8 MHz
32 KB
2 KB
2-5 V
20
6
0
6
1
1
1
6-pin UART
None
None
No
No
2.0 in. diameter circle
22 sewable tabs
ATmega32U4
8 MHz
32KB
2.5 KB
3.3 V
9
4
0
4
0
0
0
USB Micro-B
Native USB
Yes
No
No
2 in. diameter circle
11 sewable tabs
ATmega328P
8 MHz
32 KB
2 KB
3.3 V
5
3
0
0
1
0
1
6-pin UART
None
Yes
No
No
2.7 in. diameter circle
12 sewable tabs, SD card reader, MP3 decoder, audio out