Features 1、Suitability: Adopted the high performance RP2040 microcontroller chip, which is designed by for Raspberry Pi itself. 2、Processor: Equipped with a dual core ARM Cortex M0+ processor running at up to 133MHz flexible clock, 264KB of SRAM and 4MB of on chip Flash on board. 3、Stamp Hole Design: Can be directly soldered and integrated into user designed backplanes, supports USB1.1 host and slave devices, and supports low power sleep and hibernation modes. 4、GPIO Pins: Drag and drop program download for mass storage via USB recognition, up to 26 multifunctional GPIO pins, multiple hardware peripherals accurate on chip clock and timer. 5、Versatile: Temperature sensor, on chip accelerated floating point library, 8 programmable I/O (PIO) state machines for custom peripheral support. Specification Item Type: Micro Controller Mini Development Board Material: PCB Interfaces: 2 x SPI, 2 x I2C, 2 x UART, 3 x 12 Bit ADC, 16 x Controllable PWM Channels Processor: Dual Core ARM Cortex M0+ Package List 1 x Microcontroller