Features: RP2404 1.28-inch round LCD display module is a high-performance microcontroller development board. Built-in GC9A01 driver chip, SPI interface communication. 240x240 resolution, 65K color, can clearly display color pictures. Uses SPI control, does not occupy excessive interface pin resources, compatible with main control boards for Raspberry Pi, Arduino, and STM32. Provides comprehensive supporting documentation including sample programs for Raspberry Pi, Arduino, and STM32. Specifications: Diameter: Approx. 4cm / 1.57 inch Cable Length: Approx. 20cm / 7.87 inches Product Name: 1.28" 240x240 LCD Display Screen Resolution: 240x240 Control Chip: GC9A01 Interface: 4-wire SPI Display Size: 32.4mm Display Panel: IPS Pixel Pitch: 0.135x0.135mm Working Voltage: 3.3V/5V Additional Parameters: Dual-core Arm Cortex M0+ processor, flexible clock running up to 133 MHz 264KB of Static Random-Access Memory, 2MB of on-board flash memory USB-C connector for reliable connectivity and ease of use All GPIOs (30 in total, with some pins internally connected to the circuit; refer to documentation for details) are accessible via 1.27-pitch bus bar USB 1.1 with device and host support Low-power sleep and dormant modes Drag-and-drop programming using mass storage over USB port 2x SPI, 2x I2C, 2x UART, 4x 12-bit ADC, 16x controllable PWM channels Accurate on-chip clock and timer Temperature sensor On-chip accelerated floating-point libraries 8x Programmable I/O state machines for custom peripheral support On-board lithium battery charging and discharging interface enables use in mobile applications. Note: Please allow 0-1cm error due to manual measurement. Ensure you are comfortable with this before ordering. Due to differences between monitors, the image may not reflect the actual product color. Package Includes: 1 x 1.28-inch LCD Module 1 x PH2.0 8-pin Connection Cable