Specification:
RP2040 microcontroller chip designed for Raspberry Pi.
Dual-core Arm Cortex M0+ processor with flexible clock running up to 133 MHz.
264KB SRAM, and 2MB/4MB/8MB/16MB onboard flash
USB 1.1 supported device and host
Low-power sleep and hibernate modes
Drag-and-drop programming via USB with mass storage
26 multi-function GPIO pins
2 SPI, 2 I2C, 2 UART, 3 12-bit ADCs, 16 controllable PWM channels
On-chip precise clocks and timers
Temperature Sensor
On-chip accelerated floating-point library
8 programmable I/O (PIO) state machines for custom peripheral support

Update firmware operation process:

1. First, insert the TYPE-C interface USB cable, and connect the other end to the computer;

2. Long press the BOOT button ;

3. Press the RST button;

4. Release the BOOT button after 1 second;

5. The computer will automatically recognize it as a removable hard disk;

6. Copy the file to be downloaded (burned) to the removable hard disk that appears, and the core board will restart automatically

Package include:
3 x RP2040 development board TYPE-C 16MB