Keterangan :

Mikrokontroler dari keluarga AVR produksi Atmel yang mempunyai 8 kbytes flash memory.
Spesifikasinya:
- Catu daya 4, 5- 5, 5V
- 8 Kbytes flash memory
- Programmable serial USART
- 512 bytes EEPROM
- 1 Kbytes SRAM
- Frekuensi maksimum 16 MHz
- In-System Programming by on On- chip Boot Program
- One 16 bit timer, and Two 8 bit timer
- Built in watchdog timer, PWM 3 channel, SPI, and TWI interface
- On chip analog comparator
- Built in 6 channel 10 bit ADC
- Internal RC calibrated oscillator
- Built in Real Time Counter with separate oscillator
- Programmable brown out detection
- 23 programmable I/ O
- Package 28 PDIP