Arduino Ethernet Boards & Shields for Sale - In Stock at Communica South Africa
Shop Arduino Ethernet boards and compatible shields at Communica: Local stock, expert advice, and rapid branch collection. Perfect for IoT, automation, and STEM projects.
Genuine & Compatible Stock
Choose Arduino originals and trusted compatible shields for dependable networking in your next build.
Branch Pickup & Fast Delivery
Collect from Samrand, Pretoria, or Cape Town branches-or opt for quick courier dispatch across South Africa.
Expert Selection Advice
Get help choosing the right Ethernet hardware for Maker, education, or industry deployments.
Connect Your Arduino to Ethernet with Confidence
Adding wired networking to your Arduino sketch or prototype unlocks a wealth of new possibilities in IoT, home automation, logging, and control. Whether you need a robust network connection for remote monitoring, classroom demonstrations, or industrial test setups, Communica makes it simple to source genuine Arduino Ethernet boards, classic W5100/W5500 shields, and certified-compatible options-all available in South Africa, ex-stock.
Why Choose Ethernet?
- Secure and interference-resistant data transmission versus WiFi in noisy industrial or lab settings
- Lower latency and consistent speeds-essential for PLC integration, data logging, and remote control interfaces
- No dependence on local WiFi signals or SSID/passwords; ideal for fixed installations and education labs
Top Arduino Ethernet Products In Stock
| Product | Ethernet IC | Compatible Boards | Features |
|---|---|---|---|
| Arduino Ethernet Shield 2 | W5500 | UNO, MEGA, Leonardo | MicroSD slot, PoE header, 10/100 Mbps |
| Compatible W5100 Shield | W5100 | UNO, MEGA, Leonardo | Affordable, microSD slot, standard Ethernet library support |
| Arduino Ethernet Rev3 Board | W5500 | Standalone board, shield-compatible | All-in-one, PoE-ready with add-on, microSD slot |
For both single-board and shielded configurations, Communica keeps a variety of genuine Arduino and highly-compatible alternative brands (including Keyestudio, DFRobot, and Seeed Studio) on hand. Local availability means you can avoid international shipping delays and import complications, while also gaining access to invoice/quote support for schools and businesses.
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Compatibility & Specification Guidance
Before adding to your cart, ensure Ethernet shield fits your chosen Arduino format. Most shields are stackable on UNO-form boards, but MEGA users should check pin compatibility and library support. The two most common controller chips are:
- W5100: Ideal for basic networking (HTTP, MQTT, TCP/UDP); widely supported in the standard Arduino Ethernet library.
- W5500: Improved performance, lower power, and multiple simultaneous connections. Required for newer or more demanding applications.
Matching Accessories & Use Cases
- RJ45 Ethernet patch cables (various lengths, CAT5e/CAT6 stocked)
- Breakout jumpers for non-standard header requirements
- Enclosures to protect wired projects for school and factory deployments
- MicroSD cards for local data logging (if using shields with SD capability)
Technicians and engineering teams frequently specify Arduino Ethernet hardware for cost-effective HMI, RTU, or test bench deployments. Educators and STEM labs use them to demonstrate networking principles due to rapid setup and ease of code deployment. Availability in South Africa means projects avoid costly downtime waiting for international restocks.
How to Check Stock and Collect Locally
- Browse the Prototyping & Development and Boards/Kits categories for real-time stock updates
- Reserve items for branch pickup at Samrand, Pretoria, or Cape Town for convenience
- Request VAT invoices and formal quotes for educational or B2B procurement
- Local courier delivery available nationwide (lead times typically 1-3 business days from payment clearance, estimates)
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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