Arduino Ethernet Modules & Boards for Sale - Get a Quote from Communica South Africa
Shop Arduino Ethernet modules, W5100/W5500 shields, and compatible networking boards at Communica. Check stock, compare specs, and request a VAT invoice quote. Local SA supply.
Wide Range In Stock
Choose Ethernet shields, modules, or Arduino-compatible boards for robust wired networking projects.
Fast Business Quoting
Request formal VAT quotes for schools, industry orders, and project procurement.
Pickup & Delivery Options
Collect from Samrand, Pretoria, or Cape Town branches, or arrange fast national delivery.
Arduino Ethernet: Reliable Networking for South African Projects
Adding wired Ethernet to your Arduino project delivers consistent connectivity for industrial controls, classroom STEM, and robust IoT applications. With local supply and quoting support, Communica connects South African makers, educators, and engineers with premium networking hardware-available for immediate collection or delivery nationwide.
Types of Arduino Ethernet Products Available
- W5100/W5500 Ethernet Shields - Standard full-size shields stacking onto genuine Arduino Uno or Mega. Popular for legacy compatibility and rapid development.
- Standalone Ethernet Modules - Small, embeddable boards (W5500, ENC28J60) for integration into compact custom PCBs or prototyping with jumpers.
- Arduino-Compatible Boards with Built-In LAN - Boards such as the Arduino Ethernet or supported clones with RJ45 onboard, ideal where space or simplicity is key.
| Product | Chipset | Interface | Compatibility |
|---|---|---|---|
| Ethernet Shield (W5100) | W5100 | SPI | Arduino Uno, Mega, Leonardo |
| Compact Module (W5500) | W5500 | SPI | All Arduino with SPI header |
| Arduino Ethernet Board | W5100 | Onboard | Standalone |
For labs or businesses seeking large quantities, or higher-value procurement with VAT invoicing, Communica offers streamlined quoting and account support. Orders can be collected at the convenient Samrand head office, Pretoria CBD, or Cape Town branches - or delivered countrywide by courier.
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Specification Advice & Compatibility
When choosing an Arduino Ethernet solution, consider these factors for your development or deployment:
- Network Speed: Most Arduino solutions provide 10/100 Mbps Ethernet over SPI.
- Library Support: W5100 shields offer robust support in the official IDE, while W5500 and ENC28J60 may require additional libraries.
- Power Requirements: Wired networking adds ~150-200 mA; ensure your PSU is sized for peripherals.
- Cable & Accessory Needs: Stock up on RJ45 patch cables, jumper wires, and enclosures for field-ready builds.
Example: Sizing Power for Ethernet Shields
If your Arduino Uno-based project uses a 5V supply:
* Uno max current: 50 mA
* Ethernet shield: up to 180 mA (transmit)
Total: at least 250-300 mA (add margin for sensors/relays). Select a DC adapter rated at 7-9V, 1A for reliable performance (allowing for linear regulator losses). For business/education, Communica carries regulated PSUs and connector bundles to complete your setup.
Lead Times & Ordering Notes
- Stock Status: Check online collections for real-time stock at Samrand, Pretoria, or Cape Town branches.
- Volume/Bulk Orders: Request a formal quote for education, labs, or corporate procurement (VAT invoices provided).
- Accessory Selection: Browse connectors, patch leads, 2.54mm jumpers, and DIN-mount enclosures for installation.
Shop Top Brands & Get Advice
Communica stocks proven global brands including key listings from Arduino, Seeed Studio, DFRobot, and compatible reference designs. Search the catalogue or shop by manufacturer. For setup help, see the Arduino Ethernet getting started guides and sample code in the IDE's library manager.
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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