Communica

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.

internet of things
July 5, 2026
3 min read

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.

Nationwide Branch Collection

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.

Tip for SA Buyers: When sourcing for labs and tertiary institutions, Communica provides VAT-compliant invoicing and educational pricing on request.

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.

Tip: If you get unexpected network errors, check for IP conflicts, patch cable integrity, and use the official Arduino Ethernet library docs for troubleshooting.

Sources

Communica Samrand — Electronic Component Experts

Communica supplies semiconductors and electronic components to industries such as automotive, electrical, automation, mining, and education.

Last updated: July 5, 2026

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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