Waveshare R7FA4 PLUS B Dev Board w/ ESP32-S3FN8 (Arduino UNO R4 WiFi Compatible)
Description
- Waveshare R7FA4 PLUS B Development Board w/ ESP32-S3FN8 (Arduino UNO R4 WiFi Compatible)
- Enhanced Arduino UNO R4 WiFi compatibility
- Onboard 12x8 red LED matrix for displays
- Versatile with USB Type-C and Qwiic connector
- Powerful 256kB Flash, 32kB RAM microcontroller
- Multi-voltage power output headers included
The Waveshare R7FA4 PLUS B Development Board w/ ESP32-S3FN8 (Arduino UNO R4 WiFi Compatible) is an enhanced version of the Arduino UNO R4 WiFi, designed to facilitate advanced development and experimentation for enthusiasts and professionals alike. This board is built around the R7FA4M1AB3CFM and is equipped with an ESP32-S3-MINI-1 module, ensuring compatibility with the Arduino UNO R4 WiFi ecosystem.
The development board features an onboard 12x8 red LED matrix that allows for the customization of display effects, adding a visual dimension to projects. It includes a variety of components such as a voltage regulator, a voltage translator for communication between the R7FA4 and ESP32-S3, and multiple power output headers with configurable voltage levels. The board also offers a Qwiic connector for easy integration of I2C devices, a USB Type-C connector for program uploading and serial port debugging, and an ICSP interface.
The layout is designed to be user-friendly, with a reset button, user LED, serial port RX/TX indicators, and a power indicator for ease of use. Additionally, the board's Arduino interface is compatible with the standard Arduino interface, allowing for direct connection to experimental boards. The pinout definition and outline dimensions are meticulously designed to ensure seamless integration into a wide range of projects.
Please note that the development board should be handled with care, and it is important to adhere to all safety guidelines and instructions when using the device to prevent any potential hazards.
- 1x R7FA4 PLUS B Development Board
- 1x USB Type-A to Type-C Cable

- 66.04 x 53.34 mm (L x W)
- Model: R7FA4 PLUS B
- Microcontroller: R7FA4 (32-bit ARM Cortex-M4)
- Clock Frequency: R7FA4: 48 MHz
- Storage: R7FA4: 256kB Flash, 32kB RAM
- Wireless Communication: 2.4 GHz WiFi + Bluetooth LE
- Operating Voltage: 3.3V
- Power Input: 6~21V
- Reset Button: Vertical
- IO Pin Output Current: 40 mA
- Digital Pins: 14
- Analog Pins: 8
- DAC: None
- PWM: 5
- UART: 2
- I2C: 1
- SPI: 1
- CAN: None
- DC Jack: None
- Power Output Header: Provides 5V OR 3.3V power output and common-grounding with other boards
- 5V Power Output: 1000 mA Max
- Experimental Board: Support
Works great no issues fully compatible
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If you are not satisfied with a product purchased from the Site, you may request a return within 30 days from the delivery date, unless the product is listed under the Return Exceptions below or is subject to specific return conditions noted on the product page.
This return policy also applies, as a minimum standard, to products sold and fulfilled by third-party vendors through the Marketplace.
Please review the Return Conditions, Return Exceptions and the process on How to Request a Return Authorization (RA) before initiating a return request.
Returns under this policy concern non-defective products. In the case of a confirmed manufacturing defect, remedies are handled under the Warranty terms, at the Vendor's discretion. See the Warranty section.
Return Conditions
To qualify for a refund under the 30-day return policy, all of the following conditions must be met:
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- On-Demand Items — Standard catalogue products not stocked by RobotShop and ordered specifically to fulfill a customer request.
- Professional & Specialized Equipment — See the Professional & Specialized Equipment Warranty page and Professional & Institutional Buyers (B2B) section in the Terms & Conditions.
How to Request a Return Authorization (RA)
While the same return policy applies, these orders require a separate contact process for returns.
- RobotShop Fulfilled Orders → submit a support ticket from your account under My Support Tickets.
- Marketplace Vendor Orders → submit a ticket from your account under My Marketplace Tickets to contact the vendor directly.
Note: Marketplace vendor products are normally labelled with SKUs starting with RM, and identified on the product page with the mention "Sold and fulfilled by [Vendor Name]".