RP2040-LCD-1.28-B is a low-cost, high-performance MCU board designed by Waveshare. Tiny size with onboard 1.28inch LCD round display, Li-ion battery recharge manager, 6-axis sensor (3-axis accelerometer and 3-axis gyroscope) and so on, adapting all GPIO and Debug pins, which makes it easy for you to develop and integrate it into products quickly.

Key features include:

• RP2040 microcontroller chip designed by Raspberry Pi in the United Kingdom
• Dual-core Arm Cortex M0+ processor, flexible clock running up to 133 MHz
• 264KB of SRAM, and 2MB of on-board Flash memory
• Type-C connector, keeps it up to date, easier to use
• Onboard 1.28inch 240×240 pixels 65K colorful IPS LCD display for clear color pictures
• Lithium battery recharge/discharge header, suitable for mobile devices
• Adopts CNC metal case with Acrylic dull-polish bottom plate
• All GPIO pins are adapted through 1.27 pitch female headers (There are 30 pins in total, but some pins have been connected to the internal circuit, please refer to the wiki for details when multiplexing)
• USB 1.1 with device and host support
• Low-power sleep and dormant modes
• Drag-and-drop programming using mass storage over USB
• 2 × SPI, 2 × I2C, 2 × UART, 4 × 12-bit ADC, 16 × controllable PWM channels
• Accurate clock and timer on-chip
• Temperature sensor
• Accelerated floating-point libraries on-chip
• 8 × Programmable I/O (PIO) state machines for custom peripheral support