How do I choose a microcontroller or single-board computer for a robotics prototype?

Match the controller to your project's compute needs, I/O count, and communication interfaces (GPIO, PWM, UART, SPI, I2C, CAN). Consider power budget, real?time requirements, available development libraries and community examples (e.g., Arduino, Raspberry Pi families), and confirm part availability and datasheets on the product page before ordering.

What should I check when selecting motors and motor drivers for robots?

Select motors based on required torque, speed, voltage and continuous vs stall current, and pair them with drivers rated for the motor's peak current and control method (brushed, brushless, stepper). Review datasheets for torque curves and cooling needs, and account for gearing, feedback sensors and the controller interface when planning your drivetrain.

Can I collect orders from a Communica branch and obtain a VAT invoice for institution purchases?

Yes — branch collection is available from the Samrand head office and branches in Pretoria (CBD) and Cape Town; choose the branch pickup option at checkout and present your order reference and ID on collection. VAT invoices can be issued for business or educational purchases; request invoice details at checkout or via the sales channel used for your order.

What are typical lead times for out?of?stock components and how do backorders work?

Many items are stocked locally, but specialist components may have supplier lead times; the product page normally shows current stock status and any estimated ETAs. For procurement or bulk needs you can request a quote or backorder option to confirm delivery timelines and minimum quantities.

Does Communica support educational or classroom robotics kits and bulk procurement for tertiary institutions?

Communica offers component kits, development boards, 3D printing supplies and test equipment suitable for classrooms and labs, and can provide bulk quotations and VAT invoicing for institutions. Check the education requirements when requesting a quote to ensure kit content, quantities and delivery or branch pickup options meet your curriculum needs.

What types of robotics and prototyping components does Communica stock?

Communica stocks microcontrollers and development boards, sensors, motors and drivers, power supplies, connectors and enclosures, 3D printing consumables, tools, and test & measurement equipment from a wide range of global and maker brands. Product availability can be checked on the online catalogue or by contacting your local branch.

How can I check stock availability and estimated lead times for parts?

Check the product page on communica.co.za for current stock indications and lead-time notes, and contact the Samrand head office or your nearest branch for confirmation on backorders or import lead times. For larger or time-sensitive orders, request a formal quote or lead-time confirmation from sales so you have a documented delivery estimate.

Can I collect my order from a Communica branch or do you only ship?

You can choose branch collection (Samrand, Pretoria CBD, Cape Town) or courier delivery at checkout; branch trading hours and collection details are listed on the Branches & Trading Hours page. For branch collection request a VAT invoice or packing slip at pickup.

Do you support educational and bulk procurement for robotics courses or labs?

Yes — Communica supplies schools, universities and industry with component kits and larger quantities; departments should contact the sales team with a parts list and delivery requirements to obtain volume quotes, lead times, and VAT-compliant paperwork. Early engagement helps manage stock allocation and import lead times for semester planning.

How do I choose the right motor and driver for a mobile robot prototype?

Match motor voltage and continuous/peak current ratings to the driver specification and battery system, and select torque and RPM based on robot weight, wheel diameter, and required acceleration; include a safety margin for stall current and thermal dissipation. Review datasheets, estimate your power budget, and confirm component availability or compatible alternatives with Communica before finalising the design.

Cheap Arduino Ethernet Modules & Shields for Sale in South Africa | Communica

Name: Communica
Telephone: 0126573500

Shop budget Arduino Ethernet boards and accessories at Communica. Enjoy local stock, variety, and branch pick-up on compatible modules and shields.

Published:July 5, 2026

3 min read

Image supplied by 123RF

Affordable Ethernet Boards

Choose budget-friendly Arduino-compatible Ethernet modules and shields for networked projects.

Local Stock & Quick Pickup

Shop online or collect Arduino Ethernet hardware from Communica branches in South Africa.

Compatible Accessories

Get cables, breadboards, sensors, and power supplies for a complete, connected build.

Affordable Arduino Ethernet: Reliable Networking for Your Projects

Connecting your Arduino to a network opens up a world of applications-IoT prototyping, remote data logging, automation, and smart home integration. Communica offers a range of low-cost Arduino-compatible Ethernet shields, modules, and kits to suit budget-conscious makers, students, and engineers across South Africa. With stock available for online ordering or quick collection at Samrand, Pretoria, and Cape Town branches, getting connected is simple.

Types of Cheap Arduino Ethernet Interfaces

Ethernet Shields (W5100, W5500): Stack directly on Arduino Uno, Mega, and compatibles.
Ethernet Modules (ENC28J60): Breadboard-friendly, ideal for DIY PCB integration and compact builds.
Tiny Modules for Nano, Pro Mini: Smaller form factors for size-constrained projects.

Model	Main Chipset	Typical Price Range	Board Compatibility
Ethernet Shield W5100	Wiznet W5100	R200-R350 (est.)	Uno, Mega, Leonardo
Ethernet Shield W5500	Wiznet W5500	R300-R400 (est.)	Uno, Mega, Leonardo
ENC28J60 Module	Microchip ENC28J60	R120-R200 (est.)	Uno, Nano, Mega (via wiring)

Why Choose Budget Ethernet for Arduino?

Wired networking is reliable for monitoring, automation, and device-to-device communication.
Compatible shields and modules integrate quickly-ideal for hackathons, class labs, and rapid proof-of-concept builds.
Low-cost options allow bulk deployment in educational or industrial test environments.

Consideration for South Africa: Ethernet setups avoid Wi-Fi coverage issues and can often use existing networking at schools, labs, or factories. Stock availability at Communica branches means no long import lead times.

Popular Options Stocked Locally

Ethernet Shield W5100 (compatible with Arduino IDE libraries).
Ethernet Shield W5500 (for higher performance/bandwidth needs).
ENC28J60 Modules (good for value-conscious or compact projects).

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Cheap Arduino Ethernet Modules & Shields for Sale in South Africa | Communica

Affordable Ethernet Boards

Local Stock & Quick Pickup

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Affordable Arduino Ethernet: Reliable Networking for Your Projects

Types of Cheap Arduino Ethernet Interfaces

Why Choose Budget Ethernet for Arduino?

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Communica South Africa

Frequently Asked Questions

How do I choose a microcontroller or single-board computer for a robotics prototype?

How do I choose a microcontroller or single-board computer for a robotics prototype?

What should I check when selecting motors and motor drivers for robots?

What should I check when selecting motors and motor drivers for robots?

Can I collect orders from a Communica branch and obtain a VAT invoice for institution purchases?

Can I collect orders from a Communica branch and obtain a VAT invoice for institution purchases?

What are typical lead times for out?of?stock components and how do backorders work?

What are typical lead times for out?of?stock components and how do backorders work?

Does Communica support educational or classroom robotics kits and bulk procurement for tertiary institutions?

Does Communica support educational or classroom robotics kits and bulk procurement for tertiary institutions?

What types of robotics and prototyping components does Communica stock?

What types of robotics and prototyping components does Communica stock?

How can I check stock availability and estimated lead times for parts?

How can I check stock availability and estimated lead times for parts?

Can I collect my order from a Communica branch or do you only ship?

Can I collect my order from a Communica branch or do you only ship?

Do you support educational and bulk procurement for robotics courses or labs?

Do you support educational and bulk procurement for robotics courses or labs?

How do I choose the right motor and driver for a mobile robot prototype?

How do I choose the right motor and driver for a mobile robot prototype?

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