Item Type:1.28inch Round Touch LCD Development Board Material: PCB, Glass Main Control: RP2040 Interface: USB Type C Touch Chip: CST816S Touch Interface: I2C Display Chip: GC9A01A Display Interface: 240(H)RGB x 240(V) Display Size: Diameter Approx. 32.4mm / 1.3in Display Panel: IPS PX Size: 0.135(H)x0.135(V)mm 1、240x240 RESOLUTION:1.28inch LCD screen, 240x240 resolution, 65K color, onboard Li ion battery charging and discharging interface, good for mobile scenario use. 2、133MHZ: Development board uses for RP2040 microcontroller chip developed for Raspberry Pi, equipped with dual core for ARM for Cortex M0 + processor, running at up to 133MHz flexible clock. 3、1.28 INCH LCD SCREEN: The Development board comes with a 1.28 inch capacitive touch LCD screen, Li ion battery charging chip, six axes sensors and other peripherals on board for easy development and embedding into the product. 4、TYPE C INTERFACE: Microcontroller development board has 264KB of SRAM and 4MB of on chip Flash built in, Type C interface, no need to bother with forward and reverse plug. 5、HIBERNATION MODE SUPPORT: Development board supports low power sleep and hibernation modes, USB recognition as mass storage for drag and drop program download, precise on chip clock and timer, on chip accelerated floating point library, 6 GPIOs via SH1.0 connector. 1 x 1.28inch Round Touch LCD Development Board 1 x SH1.0 12PIN Connection Cable