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This Raspberry Pi RP2350B microcontroller development board features a dual-core ARM Cortex-M33 or Hazard3 RISC-V processor. It features a 2.8-inch 480x480 circular IPS display with a capacitive touchscreen and LVGL support. It includes 16MB of flash memory, a real-time clock, a 6-axis motion sensor, a microSD slot, and a lithium battery connector. It's ideal for HMI, IoT, and smart wearable device projects. Waveshare RP2350-Touch-LCD-2.8C
The RP2350 2.8″ Round Display development board is a modern and versatile solution based on the Raspberry Pi RP2350B microcontroller with a unique dual-core, dual-architecture design. It allows switching between ARM Cortex-M33 and Hazard3 RISC-V cores, providing developers with flexibility and freedom to experiment in a stable environment. The board features a 2.8-inch round IPS display with a 480×480 pixel resolution, delivering excellent image quality, a wide 160° viewing angle, and smooth operation of graphical interfaces such as LVGL. The capacitive touch screen supports the I2C interface and offers high touch precision, ensuring intuitive operation for HMI applications. The board includes 16 MB of onboard Flash memory and 520 KB of SRAM, expandable with an external PSRAM chip. It also integrates a micro SD card slot, a USB 1.1 interface (host/device), and a lithium battery charging connector, making it suitable for portable applications.

| 1. RP2350B Chip | 12. USB Type-C Connector |
| 2. 16MB Flash Memory | 13. ME6217C33M5G Regulator |
| 3. PSRAM Solder Pads | 14. Charging Indicator |
| 4. Micro SD Card Slot | 15. ON/OFF Power Switch |
| 5. RTC Battery Connector | 16. RESET Button |
| 6. PCF85063 (RTC) Chip | 17. BOOT Button |
| 7. I2C Connector | 18. MX1.25 Battery Connector |
| 8. UART Connector | 19. ETA6096 Chip |
| 9. Buzzer | 20. QST Position Sensor |
| 10. PIO-USB Type-C Port | 21. 12-pin Connector |
| 11. USB Type-C Connector | — |
The integrated QMI8658 6-axis motion sensor enables motion and orientation detection, while the PCF85063 RTC ensures precise timekeeping. Thanks to its low-power modes, the board is ideal for portable and energy-efficient embedded systems. It supports programming in C/C++, MicroPython, and Arduino IDE, with a rich set of SDKs, libraries, and examples available to simplify development. The board integrates multiple communication interfaces, including GPIO, UART, and I2C, for connecting external modules and sensors. The ST7701 display controller ensures smooth and stable screen operation. The RP2350 2.8″ Round Display Development Board is an excellent choice for developers building HMI systems, smartwatches, intelligent devices, or IoT projects seeking a reliable and powerful development platform.
Data sheet
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Cable with USB typ A and USB typ C connectors, cable length 0.5 m. LANBERG
Cable with USB typ A and USB typ C connectors, cable length 1 m. LANBERG CA-USBO-10CC-0010-BK
Cable with USB typ A and USB typ C connectors, cable length 1,8 m. LANBERG CA-USBO-10CC-0018-BK
RP2350-LCD-1.28 is an advanced, compact development module with a color LCD display and a rich set of interfaces, designed for embedded projects that require efficient graphics handling and communication. Thanks to its dual processor architectures and programmable peripheral resources, the module is suitable for use in smart devices, HMI systems, and next-generation IoT solutions.
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RP2350-LCD-1.28-B is a highly integrated development platform with a display, designed for applications requiring low power consumption and high flexibility in interface design. Thanks to its robust CNC enclosure and support for two processor architectures, the module is perfectly suited for use in portable systems, HMI devices, and intelligent embedded projects.
RP2350-Touch-LCD-1.28 is a modern development board with a color touch screen, dedicated to embedded project creators who require high performance and compact dimensions. Thanks to support for two architectures and open-source software, the module is perfectly suited for creating intelligent HMI devices, portable applications, and systems requiring versatile communication and user interaction.
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RP2350-Touch-LCD-1.28-B is a compact development module with a color touch screen, ideal for projects requiring an HMI interface and mobile integration with sensors. Thanks to the CNC enclosure, the product gains durability and better heat dissipation, making it suitable for prototyping and embedded applications where reliability and elegant design are important. Support for multiple programming languages and extensive technical documentation facilitate rapid development of applications based on ARM and RISC-V architecture.
The RP2350-ETH development module combines the computing power of a dual-architecture microcontroller with Ethernet support, enabling the creation of compact and integrated network applications. Dedicated to projects utilizing TCP/IP transmission, it provides support for C/C++, MicroPython, and Arduino languages as well as a wide range of development resources. Thanks to its open architecture and compact form, it is suitable for IoT applications, communication gateways, and embedded systems requiring fast access to a local network.
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RP2350-GEEK is an advanced diagnostic and development platform for electronics designers. It enables convenient debugging of ARM microcontrollers, testing of I2C and UART peripherals, and data visualization on a color display. Thanks to its compact enclosure and set of interfaces, it is an excellent tool for learning, prototyping, and embedded project development.
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RP2350-Zero-M combines compact dimensions with high performance and a rich set of peripherals. With pre-soldered headers and compatibility with popular development environments such as C/C++ and MicroPython, it is an ideal choice for creators of educational projects, embedded system prototypes, and IoT solutions.
RP2350-Plus without headers is a universal development board designed for developers who prefer surface-mount soldering or custom connector configurations. Thanks to a large number of peripherals, a powerful chip, and full compatibility with the Raspberry Pi Pico, it provides a solid foundation for developing consumer, educational, and professional electronics projects.
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The RP2350-Plus-M offers the flexibility and performance required in modern embedded projects while maintaining full compatibility with Raspberry Pi Pico and its extensions. Factory-soldered headers and built-in Flash memory make the module suitable for rapid prototyping as well as educational and commercial applications.
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RP2350-Tiny is a minimalist development board based on the RP2350A microcontroller with dual Cortex-M33 and RISC-V architecture, without an integrated USB port. Instead, it features an FPC connector for attaching an external USB-C adapter (not included). The module offers extensive GPIO and peripheral functionality, drag-and-drop programming, support for C/C++ and MicroPython, and SMT mounting capability. It is ideal for embedded projects where minimal space and flexible connectivity are essential.
RP2350-Tiny-Kit is a versatile development kit for embedded and educational projects. With a flexible interface, rich set of peripherals, and support for popular development environments, it enables rapid prototyping and easy integration into larger systems. The version with a USB Type-C adapter provides convenient access for programming and powering the module.
RP2350-LCD-0.96-M is a versatile development board with a display, designed for projects based on RP2350A microcontrollers. It supports multiple interfaces and programming languages, features pre-soldered headers, and is compatible with Pico HAT modules, making it ideal for prototyping embedded systems, portable devices, and educational projects.
Waveshare RP2350-One is a compact development board featuring the RP2350A microcontroller with dual-core architecture: Arm Cortex-M33 and RISC-V. It offers a rich set of peripherals and 4 MB of Flash memory. With a direct USB Type-A connector, support for C/C++ and MicroPython, and SMT mounting capability, it is ideal for modern embedded applications, automation, and technical education.
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RP2350-USB-A is a versatile development board based on the modern RP2350A microcontroller with a unique dual-core architecture: Arm Cortex-M33 + RISC-V. Thanks to the USB Type-A port supported via PIO, a wide range of interfaces, and a compact form factor, the board is ideal for prototyping peripheral devices, learning programming, and integrating into custom projects as an SMD module.
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This Raspberry Pi RP2350B microcontroller development board features a dual-core ARM Cortex-M33 or Hazard3 RISC-V processor. It features a 2.8-inch 480x480 circular IPS display with a capacitive touchscreen and LVGL support. It includes 16MB of flash memory, a real-time clock, a 6-axis motion sensor, a microSD slot, and a lithium battery connector. It's ideal for HMI, IoT, and smart wearable device projects. Waveshare RP2350-Touch-LCD-2.8C