<p>Using for 's official self-designed RP2040 microcontroller chip</p> <p>Equipped with dual-core ARM M0 + processor, operating frequency up to 133MHz flexible clock</p> <p>Built-in 264KB of SRAM and 4MB of on-chip Flash</p> <p>Using Type-C interface, keeping up with the trend of , no need to entangle the positive and negative plug</p> <p>Onboard lithium battery charge and discharge interface, which is conducive to the use of this product in some mobile scenarios</p> <p>Onboard DC-DC chip TPS63000, 1.8A current switching high-efficiency DC-DC buck-boost chip</p> <p>Stamp hole design, can be directly welded and integrated into the base plate designed by the user</p> <p>USB1.1 host and device support</p> <p>Support low-power sleep and hibernation modes</p> <p>Can be identified as mass storage via USB for drag-and-drop download of programs</p> <p>Up to 26 multi-function GPIO pins</p> <p>2 SPI, 2 I2C, 2 UART, 3 12-bit ADC, 16 controllable PWM channels</p> <p>Precise on-chip clock and timer</p> <p>Temperature Sensor</p> <p>On-chip accelerated floating point library</p> <p>8 programmable I\/O (PIO) state machines for custom peripheral support</p> <p>Type: Welded</p> <p>Colour: Blue</p> <p>Material: PCB</p> <p>Package Contents:</p> <p>1 x Expansion Board</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>