The STM32F103RET6 is a 32-bit ARM microcontroller manufactured by STMicroelectronics. It uses a 32-bit Cortex-M3 processor, which is built on the ARMv7-M architecture. It features 512KB of Flash memory, 72KB of SRAM, two 12-bit ADC (Analog-to-Digital Converters), and 48 GPIO pins. Onboard peripherals include timers, USART, I2C, and SPI. It also offers five low-power modes with three levels of low-power/sleep mode. It is perfectly suited for applications such as motor control, USB, audio codec, and embedded systems. This chip is ideal for cost-sensitive applications and features high real-time performance, rich analog integration, and high integration.