Adopts RP2350A microcontroller chip. Features dual-core and dual-architecture design: dual-core Arm-M33 processor and dual-core RISC-V processor, with flexible clock speed up to 150 MHz. Includes 520 KB of SRAM and 4 MB of on-board Flash memory. Equipped with USB Type-C connector for easy firmware updates and simplified usage. Castellated module design enables direct soldering to carrier boards. Supports USB 1.1 with device and host functionality. Offers low-power sleep and dormant modes. Supports drag-and-drop programming via mass storage over USB. Provides 29 multi-function GPIO pins (20 accessible via edge pinout, others via solder points). Includes 2 SPI interfaces, 2 I2C interfaces, 2 UART interfaces, 4 x 12-bit ADC channels, and 24 controllable PWM channels. On-chip accurate clock and timer. Integrated temperature sensor. On-chip accelerated floating-point libraries. Features 12 programmable I/O (PIO) state machines for custom peripheral support. Note: Slight variations in printing or appearance may occur between production batches; these do not affect functionality. Color: Blue. Material: PCB. Package Contents: 2 x Mini Development Board. Other accessories are not included. Note: Lighting conditions and display settings may cause slight color variation between the image and the actual product. Measurement tolerance: ±1–3 cm.