The STM32G0B1RET6 is an ARM-based Microcontroller (MCU) with a Cortex-M0+ 32-bit core from STMicroelectronics, offering up to 512KB Flash, 144KB RAM, and 6x USART interfaces. It is part of the STM32 G0 series MCUs and combines low-power, high-performance features with advanced peripherals including up to 14 timers, independent real-time clock (RTC), 12-bit ADC (up to 16-channels; 9/11-bit resolution), 8-bit DAC, up to 32x communication and analogue peripherals, CRC and 192x GPIOs with Event System support. It operates from 4 to 32 V and is ideal for energy-sensitive applications with ultra-low-power modes for Stop and Standby.