?Product parameters: ?USB interface supports download (DFU download, not a serial port) ?OLED interface one plug and play ?Support 0.96-inch OLED ?TFT LCD interface ?Connect to a 1.44-inch full-color LCD ?Connect to 1.8-inch full-color LCD ?Data storage: W25032 ?High-speed crystal: 25MHz ? Low-frequency crystal: 32.768K ?Power + Programmable LED light ? User and reset buttons ? All CPU--10 lead out ?2.54mm integer multiple pitch pins ?Describe? The STM32F411CE development board is based on a high-performance Arm Cortex-M4 32-bit RISC core running at up to 100 MHz. The Cortex-M4 core has a floating-point unit (FPU) single-precision and supports all ARM processor's single-precision data processing instructions and data types. It also implements a full set of DSP instructions and a memory protection unit (MPU) for enhanced application security. ?ARM processor is a low-power cost RISC microprocessor. The full name is Advanced RISC Machine. The ARM processor itself is a 32-bit design but is also equipped with a 16-bit instruction set, which generally saves up to 35% over the equivalent 32-bit code, but retains all the advantages of a 32-bit system. ?The three major features of the ARM processor are low power consumption and strong functions, 16-bit/32-bit dual instruction set, and suitable for STM32F411CE core board/development board. 1. Small size, low power consumption, low cost, high performance; 2. Support Thumb (16-bit)/ARM (32-bit) dual instruction set, which can be well compatible with 8-bit/16-bit devices; 3. A large number of registers are used, and the instruction execution speed is faster; ?The STM32F411CE microcontroller is suitable for a wide range of applications: ? Motor drive and application control ?Industrial application: PLC, inverter, circuit breaker ?Printer and scanner alarm system, video intercom system, and HVAC ?Home Audio Equipment ? Cell Phone Sensor Hub