The MICROCHIP TECH PIC18F4420-I/PT is part of PIC18 family with a 8-Bit RISC microcontroller. It can sustain standard temperature ranges from -40°C to + 85 C, has 44 pin in TQFP-44 package and 40 MHz clock speed. This device has a Flash memory of 16 KB, a SRAM of 768 bytes, EEPROM of 256 bytes, four timers module and 13 channels of 10 bits ADC. This MCU includes MSSP & EUSART communication modules (I2C & SPI modules) with 36 I/O pins. It can be used to achieve various tasks.