| Microcontroller | Atmega328p – 8 BIT AVR controller |
| Operating Voltage | 5V and 3.3V |
| Raw Voltage input | 5V to 12V |
| Maximum current through each I/O pin | 40mA |
| Maximum total current drawn from chip | 200mA |
| Flash Memory | 32KBytes |
| EEPROM | 1KByte |
| Internal RAM | 2Kbytes |
| Clock Frequency | 3.3V — 8Mhz
5V — 16Mhz |
| Operating Temperature | -40ºC to +105ºC |
