Welcome to our store! 1. RP2040 Chip: This development board uses the RP2040 microcontroller chip, castellated module allows direct soldering to carrier boards. 2. Separate Design: This RP2040 tiny development board has a separate design, so the USB and key circuit can be separated to reduce the overall thickness and volume of the printed circuit board. 8 programmable I/O (PIO) state machines for custom peripheral support. 3. Sleep Mode: This microcontroller development board USB 1.1 with device and host support, low-power sleep and idle modes, accurate on-chip clock and timer, temperature sensor. 4. 20 GPIO Pins: This for RasPi development board uses mass storage over 20 multifunctional GPIO pins, 2 SPI, 2 I2C, 2 UART, 4 12-bit ADCs, 16 controllable PWM channels. 5. Dual Core Processor: This RP2040 tiny board is designed with a dual-core ARM Cortex M0+ processor, flexible clock running up to 133 MHz, 264KB SRAM, and 2MB onboard Flash memory. Built-in FPC 8PIN connector, adapts USB Type C port via adapter board. Item Type: RP2040 Tiny Development Board Material: Printed Circuit Board Main Control: RP2040 Interface: FPC 1 x RP2040 Tiny Development Board If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We will do our best to provide you with satisfactory customer service.