YKR-Atmega 328
| Core Chip | ATmega328 |
| Operating Frequency | 16 MHz |
| Flash Memory | 32 KB (0.5 KB used by bootloader) |
| SRAM | 2 KB |
| Recommended Input Voltage | 7–12 V |
| Digital I/O Pins | 14 Pins |
| PWM Outputs | 6 Pins (PWM supported) |


Product Specification:
| Item | Specification |
|---|---|
| Core Chip | ATmega328 |
| Operating Frequency | 16 MHz |
| Flash Memory | 32 KB (0.5 KB used by bootloader) |
| SRAM | 2 KB |
| EEPROM | 1 KB |
| Recommended Input Voltage | 7–12 V |
| Digital I/O Pins | 14 Pins (6 Pins support PWM) |
| Analog Input Pins | 6 Pins |
| External Power Interface | DC power input |
| USB Interface | USB Type-B |
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