Specification
| Attribute | Value |
| Datasheet | ATMEGA328P-AU |
| Program Storage Size | 16KB |
| Operating Temperature Range | -40℃~+85℃ |
| Operating Voltage Range | 1.8V~5.5V |
| CPU Core | AVR |
| Peripheral/Function | PWM;WDT |
| RAM Size | 2KB |
| EEPROM | 16KB |
| Internal Oscillator | Yes |
| CPU Maximum Speed | 20MHz |
| Program Memory Type | FLASH |
| ADC (Bit) | 10bit |
| GPIO Ports Number | 23 |
