1. Dual core Cortex MO+with a main frequency of up to 133MHz; 2.2MB external high-speed Quad SPI flash memory, can be used for storing microcython programs; 3. High performance full intersection bus architecture; 4. On board USB11 (supports slave or host mode); 5.12 bit 500ksps analog-to-digital converter (ADC); 6. Dual programmable IO (PIO) peripherals; 7.264K multi bank high-performance SRAM; 8.30 multifunctional universal input/output ports (GPIO): 2x UART2x 12C, 2x SPI, 4xADC, 1 timer with 4 alarms and 1 real-time clock; Packaging includes 1 * Development board 1. We maintain a high level of responsibility for our customers and are as responsive as possible to the needs of our guests. 2. If you have any questions about our products, please contact us in time, we will solve it for you immediately! 3. Due to the different display devices, the color of the products may have some discrepancies, hope you can understand. 4. Due to the different photo shooting angle, the actual shape and size of the product may not be consistent with the picture, please refer to the description of the product size, everything shall be subject to the physical object received. 5. Thank you for your purchase, we sincerely wish you happy every day.