The ATTINY3227-MU is a 32-kB flash memory microcontroller manufactured by Microchip. It is an AVR microcontroller featuring 256 bytes of EEPROM and 3kB of SRAM. It operates on an operating frequency of up to 20 MHz and has 32 general purpose I/Os (GPIOs), a high-speed internal oscillator, five-channel 10-bit analog-to-digital converter, and a variety of serial peripherals. The ATTINY3227-MU is a low-pin-count, low-power device that provides a cost-effective solution for a range of embedded applications, including control, automotive, consumer, and industrial applications.