Features: 1. STM32F103RCT6 is a microcontroller designed based on the Cortex-M3 kernel, making it compatible with most processor tools and software. 2. Its peripheral and hardware design are compatible with some mainstream microcontrollers in the market, and have been enhanced in performance and functionality, making it convenient for users to quickly import and achieve functional enrichment while maintaining consistent operation. 3. The maximum main frequency of STM32F103RCT6 is 72MHz, with built-in 128KB flash memory and 20KB SRAM, which can support high-speed computing and large capacity storage. 4. At the same time, the chip also supports external memory expansion, which can achieve larger storage capacity through SD cards, serial Flash, and other methods. 5. Enhanced USB function with 2 USB interfaces, supporting serial port downloading and USB function, stronger functionality, and lower cost. 6. It has rich peripheral interfaces and various communication interfaces, which can be widely used in consumer electronics, automation control, automotive electronics and other fields. Parameter: Rated voltage: 3.3 or 5V Automatic download circuit for onboard serial port On board 8MFlash chip On board 0.96-inch TFT LCD HSI serves as a clock source to PLL, running at 72MHz main frequency The APB1 bus clock can reach the system main frequency SPI1/2 clock up to 36MHz Supports USB 2.0 full speed host/device functionality Wake up interrupt source consistent with USBD Built in ADC unit 16 touch button channel detection One DAC unit with 2 analog signal outputs Package include: 1X development board 3X Pin Headers