Arduino Uno R4 WiFi for Sale in South Africa - Available at Communica
Buy Arduino Uno R4 WiFi in South Africa from Communica. More speed, memory, and built-in WiFi/Bluetooth. Shop sensors, shields, accessories, and pick up at your nearest branch.
Next-Gen Arduino Uno
UNO R4 WiFi offers more speed, memory, and wireless for demanding projects.
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Unlock More Power: Arduino Uno R4 WiFi in South Africa
The Arduino Uno R4 WiFi is the latest evolution of the classic Uno board. Now with a Renesas 32-bit microcontroller, faster processing, more memory, and integrated WiFi/Bluetooth, it's a perfect fit for education, rapid prototyping, and connected devices. Buy the Uno R4 WiFi at Communica for fast access to the latest features-plus local branch pickup and expert support.
Why Upgrade to the Uno R4 WiFi?
- Built-in Espressif S3 WiFi & Bluetooth LE
- 32-bit Renesas RA4M1 MCU for smoother multitasking
- Increased RAM (32KB) and Flash (256KB) for bigger sketches
- Maintains standard Uno pinout-compatible with most shields
- Onboard Qwiic connector and USB-C interface
- Programmable RGB LED matrix (tinker-friendly)
| Feature | Uno R3 | Uno R4 WiFi |
|---|---|---|
| Microcontroller | ATmega328P (8-bit) | Renesas RA4M1 (32-bit) |
| Clock Speed | 16 MHz | 48 MHz |
| RAM / Flash | 2KB / 32KB | 32KB / 256KB |
| Networking | None | WiFi & Bluetooth LE onboard |
| USB | Type B | USB-C |
What's in the Box?
- 1 x Arduino Uno R4 WiFi board (genuine)
- Quickstart leaflet
- Pre-installed firmware & test sketch
Expanded Connectivity and Onboard Peripherals
UNO R4 WiFi opens up new project potential:
- Connect to home/office WiFi for cloud dashboards or MQTT
- Control sensors/actuators with low-latency BLE
- Visual feedback via built-in LED matrix
- Qwiic/I2C support for plug-and-play sensors from SparkFun, Adafruit, DFRobot and more
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Local Buying Guide: Arduino Uno R4 WiFi at Communica
Buying the Arduino Uno R4 WiFi from Communica ensures you get locally-backed stock, clear VAT invoicing (great for schools or procurement), and technical guidance when you need it. Our Samrand, Pretoria, and Cape Town branches offer in-person assistance and demo units for educators and industry clients.
Recommended Add-Ons & Accessories
- USB-C cable (ensure it's capable of data & power)
- Sensors, Qwiic modules, and Grove shields
- Breadboards, jumpers, and compatible prototyping shields
- Regulated 5V power supply (for standalone deployments)
- IoT cloud/via MQTT or HTTP GET/POST examples
Compatibility & Integration Notes
- Pinout: Maintains original Uno header layout-works with most stacking shields
- Software: Supported in Arduino IDE (v2+), with board manager update for R4 support
- Wireless: WiFi functions use standard libraries (include
WiFiS3.h) for sketches
Why Buy from Communica?
- Broadest range of Arduino-compatible sensors, shields, tools, enclosures and spares
- Trusted brands: Adafruit, DFRobot, SparkFun, Waveshare (see Shop by Brand)
- Technical advice for students, hobbyists, and engineers-great for campus or research lab use
- Instant VAT invoice/quote for procurement
To maximise your Uno R4 WiFi, explore related categories like Robotics & Prototyping, Sensors, and the full product index to round out your build.
Sources
Communica supplies semiconductors and electronic components to industries such as automotive, electrical, automation, mining, and education.
Disclaimer: This content is for educational purposes only. Product availability, pricing, and specifications are subject to change. Always verify current details on the retailer's website before making a purchase. We may earn affiliate commissions from qualifying purchases.
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