Features: 1. RP2040-Pizero Is A High-Performance, Cost-Effective Micro-Control Board Designed By Waveshare. It Has An Onboard Dvi Interface, Micro-Sd Card Holder And PIO-USB Interface, And Is Compatible With The Raspberry Pi 40pin Gpio Interface, Which Is Convenient Develop And Embed Applications Into Products. 2. Using Raspberry Pi's Self-Designed Rp2040 Microcontroller Chip 3. Dual-Core Arm Cortex Mo+ Processor, Running Frequency Up To 133mhz Flexible Clock 4. Built-In 264KB Sram And 16MB On-Chip Flash 5. Onboard Dvi Interface, Can Drive Most Hdmi 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 Controllable Pwm Channels 8. Accurate On-Chip Clocks And Timers 9. Temperature Sensor 10. On-Chip Accelerated Floating Point Library 11. 8 Programmable I/0(Pio) State Machines For Custom Peripheral Support Material: PCB Color as shown Package Contents: 2 x Development Board Module Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.