Fangrui Product Details Rp2350-usb-a Mini Development Board, Based On For Rp2350a, With Onboard Usb Interface, Using Half-hole Technology, Can Be Welded On A Custom Board. 2 Spi, 2 I2c, 2 Uart, 4 12-bit Adc And 14 Controllable Pwm Channels Onboard 1 Usb Expansion Port, Compatible With Usb2.0/1.1 Transmission. Rp2350as 15 Gpio Pins Are Brought Out. 12 Programmable I/o (pio) State Machines For Custom Peripheral Support 1.uses The For Official Self-designed Rp2350a Microcontroller Chip 2. Dual-core, Dual-architecture, Equipped With A Dual-core Arm -m33 Processor And A Dual-core Hazard 3 Risc-v Processor, With A Clock Frequency Of Up To 150mhz,built-in 520kb And 2mb On-chip Flash 3.use Type-c Interface, Keep Up With The Trend Of , No Need To Worry About Whether To Plug It In The Right Or Wrong Direction 4.stamp Hole Design, Can Be Directly Welded And Integrated Into The Base Plate Designed By The User 5.usb1.1 Host And Device Support 6.onboard 1 Usb Expansion Port, Compatible With Usb2.0/1.1 Transmission 7.supports Low Power Sleep