Fangrui Product Details Features: 1. Rp2040-pizero Is A High-performance, Cost-effective Micro-control Board Designed By . It Has An Onboard Dvi Interface, Micro-sd Card Holder And Pio-usb Interface, And Is Compatible With The 40pin Gpio Interface, Which Is Convenient Develop And Embed Applications Into Products. 2. Using S Self-designed Rp2040 Microcontroller Chip 3. Dual-core Arm Mo+ Processor, Running Frequency Up To 133mhz Flexible Clock 4. Built-in 264kb And 16mb On-chip Flash 5. Onboard Dvi Interface, Can Drive Most Screens (requires Compatibility With Dvi Interface) Description: 1. Onboard Pio-usb Interface, Can Be Used As Usb Host And Slave 2. Onboard Micro-sd Card Holder, Capable Of Reading And Writing Micro-sd Cards 3. Onboard Li Battery Charging And Discharging Interface, Which Is Conducive To Use In Mobile Scenarios 4. Usb1.1 Host And Device Support 5. Can Be Recognized As Mass Storage Via Usb For Drag-and-drop Downloading 6. Support Low-power Sleep And Hibernation Modes 7. 2 Spi, 2 12c, 2 Uart, 4 12-bit Adc And 16