STM32G071GBU3 is a microcontroller developed by STMicroelectronics, equipped with an ARM Cortex-M0+ processor core. It has 128 Kbytes of onboard Flash memory, 36 Kbytes of RAM, and a CPU that is clocked at 64 MHz. It is classified as a Mainstream Arm MCU and is a part of the STM32 family. This microcontroller offers a wide range of integrated features, making it suitable for a broad range of applications, from automotive to networking. It is pin-compatible with other STM32G0-series products, with additional features that are tailored to internet-of-things (IoT) applications. These features include 64 Kbytes of SRAM, 2x I2C/SPI bridges, encryption/decryption, and advanced CAN. Additionally, it is equipped with an on-chip sensor which supports low-power applications or a wake-up feature.