8bit AVR® RISC-based microcontroller (MCU) with picoPower® technology. It combines 32kB ISP flash memory with read-while-write capabilities, 1KB EEPROM, 2KB SRAM, 27 general purpose I/O lines, 32 general purpose working registers, five flexible timer/counters with compare modes, internal and external interrupts. It also features two USARTs with wake-up on start of transmission, two byte-oriented 2-wire serial interfaces, two SPI serial ports, 8-channel 10-bit A/D converter, programmable watchdog timer with internal oscillator, a unique serial number and six software selectable power saving modes. * Operates between 1.8V to 5.5V * Low power consumption https://elecena.pl/product/22627127/microcontroller-atmega328pb-au-avr-arduino-smd 2023-02-23 https://elecena.pl/product/22627127/microcontroller-atmega328pb-au-avr-arduino-smd 2025-10-28