Welcome to our store! 1. 26 GPIO Pins: Drag-and-drop mass storage programming via USB recognition, up to 26 multi-functional GPIO pins, multiple hardware units with precise on-chip clock and timer. 2. 8 Programmable I/O: Temperature sensor, accelerated floating-point library on chip, 8 programmable I/O (PIO) state machines for custom peripheral support. 3. Stamp Hole Design: Can be soldered directly and integrated into user-designed backplanes, supports USB1.1 host and slave devices, and supports low-power sleep and standby modes. 4. RP2040 Chip: Uses the high-performance RP2040 microcontroller chip, designed by Raspberry Pi. 5. Dual Core ARM Cortex M0+: Equipped with a dual-core ARM Cortex M0+ processor running at up to 133MHz flexible clock, 264KB SRAM, and 4MB on-chip flash memory. Item Type: Micro Controller Mini Development Board Material: PCB Interface: 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+ 1 x Microcontroller If you receive your item and discover any product issues, such as damage or incorrect quantity, please contact us immediately. We will do our best to provide you with satisfactory customer service.