SPIDER Automation Waveshare Open405R-C Package A STM32 Development Board
Description
The Waveshare Open405R-C Package A is a comprehensive STM32 development board designed around the high-performance STM32F405RGT6 microcontroller. Featuring a flexible, modular layout comprising a main motherboard and the Core405R MCU core board, it supports broad peripheral expansion tailored for professional embedded development and rapid prototyping. Built with an open design philosophy, it provides full access to internal signals, making it ideal for exploring the advanced capabilities of the STM32F4 series.
The board includes a USB-to-UART accessory board to facilitate programming via the STM32 UART bootloader. Note that the Open405R-C does not integrate an onboard debugger, allowing developers to choose their preferred external debugging tool. With multiple power input configurations, rich onboard user interaction elements, and diverse industrial communication interfaces, it delivers a robust platform for engineering applications.
Key Features
- Modular Motherboard & Core Design: Consists of a feature-packed motherboard combined with the Core405R MCU core board for easy maintenance and future upgrades.
- High-Performance MCU Core: Integrates the STM32F405RGT6 microcontroller featuring an ARM Cortex-M4 32-bit RISC core operating at 168MHz, with 1MB Flash and 192+4kB SRAM.
- Extensive Communication Interfaces: Supports a wide array of industrial and peripheral protocols including UART, SDIO, I2S, I2C, SPI, CAN, LCD display headers, ULPI, and ONE-WIRE.
- Flexible Power Configuration: Powered via a 5V DC power jack with selectable 5V/3.3V power input/output options and dedicated power selection jumpers.
- Expansion-Friendly Header Layout: VCC, GND, and all microcontroller I/O ports are fully accessible via pin headers for seamless daughterboard and sensor integration.
- Onboard User Interaction Elements: Includes user LEDs, a user push key, a wake-up button, and a multi-directional joystick for intuitive hardware testing.
- Bootloader Accessory Included: Bundled with a USB-to-UART accessory board to enable convenient serial programming via the STM32 UART bootloader.
Benefits
- Rapid Embedded Prototyping: Modular structure eliminates custom wiring overhead, letting developers focus immediately on firmware development.
- Full Signal Transparency: Completely exposed I/O pins and modular headers enable precise oscilloscope probing and hardware debugging.
- Versatile Application Adaptability: Rich interface support accommodates displays, sensors, communication modules, and motor controllers on a single board.
- Cost-Effective Development Platform: Reusable core board architecture lowers long-term project iteration costs.
Applications
- Industrial Control & Automation: Prototyping motor drives, sensor nodes, and programmable logic interfaces using CAN and SPI protocols.
- Embedded Firmware Education: Teaching ARM Cortex-M4 architecture, register-level programming, and RTOS deployment in academic labs.
- IoT Data Acquisition Units: Building custom smart-device gateways utilizing SDIO, I2C, and UART peripheral sensors.
- Consumer Electronics Prototyping: Developing human-machine interfaces (HMI) using onboard joysticks, keys, and display headers.
Package Includes
- 1 x Waveshare Open405R-C Package A STM32 Development Board (STM32F405RGT6)
- 1 x USB to UART Accessory Board
- 1 x Connecting Cables and Hardware Accessories Set
Technical Specifications
| Parameter | Specification |
|---|---|
| Item Type | Development Board / Evaluation Kit |
| Brand | SPIDER Automation (Waveshare Platform) |
| Model Series | Open405R-C (Package A) |
| Microcontroller (MCU) | STM32F405RGT6 |
| Core Architecture | ARM Cortex-M4 32-bit RISC with FPU |
| Maximum Clock Speed | 168 MHz |
| Flash Memory | 1 MB |
| SRAM | 192 + 4 KB |
| Power Supply Input | 5V DC via Power Jack or Pin Headers (Selectable 5V/3.3V) |
| Communication Interfaces | UART, SDIO, I2S, I2C, SPI, CAN, ULPI, ONE-WIRE, USB |
| User Peripherals | User LEDs, User Key, Wake-up Button, 5-Way Joystick |
| Programming Support | STM32 UART Bootloader (Requires external debugger for JTAG/SWD) |
| Net Product Weight | Approx. 0.25 kg |
| Shipping Weight | 0.397 kg |
| Package Shipping Dimensions | 21 cm × 16 cm × 7 cm |
