Arduino Uno R4 WiFi for Sale in South Africa - Best Value at Communica
Find affordable Arduino Uno R4 WiFi at Communica. Local stock, secure pickup, and a range of compatible accessories for makers, students, and engineers.
Affordable R4 WiFi Boards
Choose cost-effective Arduino Uno R4 WiFi for learning, making, and prototyping.
Local Stock & Collection
Check availability at Samrand, Pretoria, or Cape Town branches for convenient pick-up.
Trusted Brands & Accessories
Shop original Arduino boards, compatible parts, kits, and spares all in one cart.
Discover the Value of Arduino Uno R4 WiFi - Budget-Friendly, Feature-Rich
The Arduino Uno R4 WiFi brings powerful new hardware, robust connectivity, and classic compatibility to makers in South Africa. At Communica, you can find the Uno R4 WiFi at a competitive price, alongside a full range of related shields, sensors, and electronics supplies. Perfect for students, educators, and industry prototypers, this board merges the ease-of-use of Uno with modern wireless features and stronger performance.
What Sets the Uno R4 WiFi Apart?
- Onboard ESP32-S3 module for WiFi & Bluetooth communication
- Faster Renesas RA4M1 32-bit microcontroller (48MHz)
- Standard Uno R3 form factor - fits most existing shields
- 12-bit ADC, expanded RAM & ROM, RTC support for timekeeping
- USB-C interface, onboard diagnostics, LED matrix for display/debug
Affordable Boards for Every Project
The Uno R4 WiFi is especially attractive for South African makers looking for value, as it delivers contemporary wireless capabilities without a hefty price tag. It's designed for rapid prototyping, IoT experimentation, and classroom learning. If you're teaching STEM, running a robotics club, or starting a home automation build, a cost-effective R4 WiFi board lays a strong foundation.
| Feature | Arduino Uno R4 WiFi | Classic Uno R3 |
|---|---|---|
| Processor | 32-bit Renesas RA4M1 | 8-bit ATmega328P |
| WiFi/Bluetooth | ESP32-S3 module | Not available |
| USB Connector | USB-C | USB-B |
| ADC Resolution | 12-bit | 10-bit |
Whether you buy the original Arduino or a reliable alternative, Communica enables one-stop shopping with local VAT invoices and the ability to collect boards and accessories from your nearest branch. Bulk procurement for schools or clubs is also available with account facilities.
Compatible Add-Ons & Useful Tips
- Use with standard Uno R3 shields (check WiFi module clearance for tall add-ons)
- Pair with sensors, LCD displays, and input modules from Communica's wide selection
- For beginners: starter kits and breadboard packs help you get building fast
- For advanced users: link to MQTT, HTTP APIs, and home automation platforms
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Local Buying Benefits & Support at Communica
When looking for a cheap Arduino Uno R4 WiFi for sale, purchasing from a South African supplier saves time and international shipping costs. Communica's branches in Samrand, Pretoria, and Cape Town ensure you can check stock and arrange pickup or secure nationwide courier delivery. Need an educational quote or formal invoice? Procurement services are available for tertiary institutions and technical teams, with VAT compliance for your records.
Specification Snapshot
- Board: Arduino Uno R4 WiFi (or selected compatible alternative)
- Power: 7-12V (barrel jack), 5V via USB-C
- Digital Pins: 14 (6 PWM capable)
- Analog Inputs: 6 (12-bit ADC)
- Wireless: 2.4 GHz WiFi, Bluetooth Low Energy (via ESP32-S3)
- Operating Temp: Approx. -10 degreesC to 50 degreesC (per datasheet)
How to Choose What's Right for You
Consider your project requirements: wireless networking, teaching, or hardware integration? The original Arduino Uno R4 WiFi maximises support, while reputable compatible versions stretch your budget further. All boards fit standard accessories such as DuPont jumpers, breadboards, and most expansion shields.
- Check form factor: Tall WiFi shields may affect mechanical fit
- Budget for accessories: USB-C cable, power adapter, starter kit parts
- Combine orders to save on shipping or to collect everything in one go
Shipping & Stock Notes for South Africa
- Samrand head office holds widest stock; check Cape Town & Pretoria for immediate pickup
- Lead times on bulk or educational orders may vary - enquire for latest ETA
- Quotes, VAT invoices, and education bundles available directly via Communica
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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