There is an Atmega328p microcontroller on the board. You will use this board with various sensor types with the internal 5 V and 3.3 V regulators on the board. Moreover, as the microcontroller of the board is Atmega328p you can use every program and libraries of Arduino Uno on this board too.
You must by also a MicroView programmer to program this device.
Features:
- 64 x 48 pixel OLED screen
- Atmega328p microcontroller
- Input Voltage: 3.3 V - 16 V DC
- 12 digital I/O pins (3 PWM)
- 6 analog input
- Breadboard compatible DIP package
- 32 kB flash memory
- Arduino IDE 1.0+