- 1.28-inch round LCD display module with capacitive touch panel. It features 240x240 resolution IPS screen and 65K colors for a clear, vibrant display. - Embedded GC9A01 driver chip and CST816S capacitive touch control chip. Uses SPI for the display interface and I2C for touch input, minimizing required IO pins and enabling easy integration with controller boards such as Raspberry Pi, Raspberry Pi Pico, Arduino, and STM32. - High touch screen transmittance with fast response and long lifetime. Suitable for a wide range of smart device development and reliable human–computer interaction functions. - Key benefits - Compact round form factor and vivid color display, ideal for space-constrained UI applications. - Low IO pin requirement through separate SPI (display) and I2C (touch) interfaces, simplifying wiring on popular microcontroller platforms. - Durable touch performance with rapid response, supporting interactive interfaces in diverse environments. - Compatibility and specifications - Driver: GC9A01 - Touch controller: CST816S - Interfaces: SPI (display) and I2C (touch) - Display: 1.28-inch round, 240x240 IPS, 65K colors - Use scenarios - Smart home control panels and IoT devices requiring a compact touch UI on a small footprint. - Prototyping and development with common MCU platforms such as Raspberry Pi, Raspberry Pi Pico, Arduino, and STM32 to add an interactive display quickly. - Portable handheld devices or compact wearables that benefit from a round touch screen with clear color rendering and responsive interaction.