Your Trusted Arduino Ethernet Supplier in South Africa - Stock, Accessories & Support
Source Arduino Ethernet boards, genuine shields, and network accessories in South Africa. Local advice, in-stock options, and fast branch pickup - shop at Communica.

Wide Arduino Ethernet Range
Choose genuine boards and shields in stock, ready for education or industry use.
Accessory Combos & Support
Shop compatible cables, power supplies, and sensors with local technical advice.
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Order online and collect at Samrand, Cape Town, or Pretoria branches when you need.
Your Go-To for Arduino Ethernet in South Africa
Looking to connect your next project to a wired network? Whether you're building educational demos, IoT devices, or robust industrial controls, Communica is your dedicated Arduino Ethernet supplier in South Africa. We offer a broad stock of genuine Arduino Ethernet boards and shields-plus the required accessories for rapid deployment in classrooms, workshops, or commercial sites.
What Sets Arduino Ethernet Solutions Apart?
Arduino Ethernet brings the power of reliable, low-latency networking to familiar microcontroller platforms. With built-in TCP/IP stacks and extensive library support, Arduino Ethernet boards and shields are ideal for:
- Remote sensor logging and local dashboards
- SCADA and machine monitoring
- Home and building automation
- Educational projects needing real-world network integration
As a leading electronics distributor, Communica stocks the most-requested models for the needs of South African makers, students, and engineers.
Popular Arduino Ethernet Products in Local Stock
| Product | Type | Key Specs | Use Case |
|---|---|---|---|
| Arduino Ethernet Rev3 | Board | ATmega328P, W5100, PoE option | Stand-alone network nodes |
| Arduino Ethernet Shield 2 | Shield | W5500 chipset, 10/100 LAN, stackable | Adds Ethernet to standard Arduinos |
| Adafruit Ethernet FeatherWing | Expansion | WIZ5500, Feather ecosystem | IoT & data logging |
Also available: compatible modules from brands like Keyestudio and Seeed Studio. Browse the Arduino and Adafruit collections for the latest arrivals.
Specifications & Compatibility Guidance
All Arduino Ethernet solutions are designed for straightforward integration. Here's how they compare:
| Board/Shield | Network Chip | Voltage | PoE Support | Stackable? |
|---|---|---|---|---|
| Ethernet Rev3 | W5100 | 5V | Optional | No |
| Ethernet Shield 2 | W5500 | 3.3V/5V | No | Yes |
| FeatherWing | WIZ5500 | 3.3V | No | Yes (Feather) |
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Choosing, Connecting & Expanding Your Arduino Ethernet Project
When selecting an Arduino Ethernet solution, consider:
- Physical size: Board (standalone), Shield (plug-on for Uno/Mega), or expansion for other ecosystems
- Power requirements: Confirm voltage (5V/3.3V). For PoE, ensure compatible injectors/switches and wiring
- Library support: Arduino IDE includes drivers/libraries with numerous examples. Check for updates matching your board or shield's chipset
- Network hardware: Most use standard RJ45 patch cables; consider network cable quality for longer runs in industrial or lab settings
Typical Local Applications
- Educational STEM kits: For teaching networking, data logging, web servers
- Home automation: Lighting, gate control, and remote monitoring
- Commercial deployments: Data acquisition and controls in production or laboratory environments
Need peripherals? Find compatible RJ45 patch cables, 5V and PoE power supplies, as well as enclosures and DIN-rail mounting gear in the Connectors and Enclosures & Tools categories.
South African Buying Considerations
- Stock is held locally at the Samrand warehouse; Cape Town and Pretoria CBD branches offer collection/pickup
- Most items are priced in ZAR, VAT-inclusive; quotes available for procurement and bulk educational use
- Typical lead times are 1-2 days for local stock, or 5-12 working days for special orders. Check real-time stock before purchasing
Example: Ethernet Sensor Logger (SA Context)
Suppose you need a remote temperature logger in a school lab. With an Arduino Uno and Ethernet Shield 2, connect a DS18B20 sensor. Use supplied Ethernet library examples and RJ45 cable to post sensor values to a browser dashboard. Typical budget: Arduino Uno (approx. ZAR 480), Shield (approx. ZAR 370), sensor (approx. ZAR 60)-estimate only; check live pricing.
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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