RP2040-LCD-0.99-B is a low-cost, high-performance MCU board designed by Waveshare. Tiny size with onboard 0.99inch LCD round display (with flat bottom), 6-axis sensor (3-axis accelerometer and 3-axis gyroscope) and so on, adapting 4 × GPIO pins through SH1.0 6PIN connector, 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 0.99inch 128×115 pixels 65K colorful IPS LCD display (with flat bottom) for clear color pictures
• 4 × GPIO pins are adapted through SH1.0 6PIN connector
• Adopts CNC metal case with Acrylic dull-polish bottom plate
• USB 1.1 with device and host support
• Low-power sleep and dormant modes
• Drag-and-drop programming using mass storage over USB
• 2 × I2C, 4 × 12-bit ADC
• 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