AVR128DB28-I/SO is an 8-bit microcontroller manufactured by Microchip. It has 128KB of flash memory, a SOIC-28 package, an operating temperature range of -40°C to +85°C, a clock speed of 24MHz, 12-bit ADC, comparator, operational amplifiers, multiple voltage interface outputs, zero crossing detection, DAC, UART, SPI, and TWI. It supports different sleep modes, interrupt and event handling, on-chip debugging and program development, and has an integrated debug wire interface for debugging and programming. The AVR128DB28-I/SO is ideal for applications requiring low-power mode operation, fast execution, high data processing rate, and long endurance.