WAVESHARE RP2350 2.1 Inch Capacitive Touch Round Display Development Board 1. Display panel: IPS 2. Display resolution: 480 x 480 3. Communication interface: SPI+ RGB 4. Touch interface: I2C 5. Touch type: capacitive induction 6. Display size: 2.1 inches 7. Display color: 65K 8 Display IC: ST7701 9. Touch IC: CST820 10. Number of touch points: single-touch Features: 1. Raspberry Pi designed RP2350B microcontroller chip 2. Unique dual-core, dual architecture, equipped with a dual-core ARM Cortex-M33 processor and dual-core Hazard3 RISC-V processor, clock running frequency are up to 150MHz, to support the flexibility of switching between the two architectures 3. Built-in 520KB SRAM and 16MB on-chip Flash, and reserved a PSRAM interface 4. Adopting Type-C interface, no need to worry about forward and reverse plugging 5. 2.1 inch capacitive touch HD IPS screen on board, 480 x 480 resolution, 65K color, can clearly display color images 6. USB1.1 host and slave device support 7. Support low-power sleep and hibernation mode 8. USB recognized as mass storage for drag-and-drop download programs 9. 9 multi-functional GPIO pins 10. 2 SPI, 2 12C, 2 UART, 5 12-bit ADC, and 9 controllable PWM channels 11. Precision on-chip clock and timer 12. Temperature sensors 13. On-chip accelerated floating point library 14. 12 programmable IO (PIO) state machines for custom peripheral support