- Microcontroller:? ATmega328
- Board Power Supply:? 3.35 -12 V (3.3V model) or 5 – 12 V (5V model)
- Circuit Operating Voltage:? 3.3V or 5V (depending on model)
- Digital I/O Pins:? 14
- PWM Pins:? 6
- UART:? 1
- SPI:? 1
- I2C:? 1
- Analog Input Pins:? 6
- External Interrupts:? 2
- DC Current per I/O Pin:? 40 mA
- Flash Memory:? 32KB of which 2 KB used by bootloader *
- SRAM:? 2 KB
- EEPROM:? 1 KB
Arduino ProMini ATmega328 5V
Arduino ProMini ATmega328 5V