STM32G431CBU6 is a 32-bit ARM - microcontroller produced by . It features 128KB of Flash memory, 64KB of RAM, and a 8MHz external crystal oscillator among other . The device includes interfaces and peripherals such as UART, SPI, I2C, USB, and ADC, making it suitable for applications in industrial automation, smart homes, and the Internet of Things (IoT). Peripherals Of STM32G431CBU6:The STM32G431CBU6 microcontroller features a range of peripherals, including a 12-bit ADC, up to 5 general-purpose , 2 advanced , 4 general-purpose synchronous/asynchronous serial interfaces, 3 I2C interfaces, 3 SPI interfaces, 1 USB OTG interface, 1 CAN interface, 2 outputs, up to 18 general-purpose IO pins, a DMA controller, , and low-power modes such as Sleep, Stop, and Standby. These peripherals make the device suitable for applications in industrial automation, smart homes, and the Internet of Things. Different batches may have different appearance, which does not affect use. pin headers are randomly colored, don't accept the specified color Colour:Black Material:PCB+electronic components Package Contents: 3 x STM32G431CBU6 microcontroller 6 x straight pins 3 x Bent pin header Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.