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.

Arduino Uno R4 WiFi Price and Availability in South Africa - Where to Buy

Name: Communica
Telephone: 0126573500

Find Arduino Uno R4 WiFi prices, specs, and South African stock at Communica. Compare local availability, VAT-inclusive quotes, and pickup options.

Published:July 6, 2026

3 min read

Image supplied by 123RF

Local SA Pricing & Stock

See up-to-date Arduino Uno R4 WiFi price and local stock at Communica branches.

Key Features & Specs

Get to know the Uno R4 WiFi's improved power, memory, and wireless connectivity.

Easy Collection & Quotes

Branch pickup, VAT invoices, quotes for education or bulk - tailored for SA buyers.

Overview: Arduino Uno R4 WiFi for South African Makers

The Arduino Uno R4 WiFi is the latest evolution of the globally popular Uno development platform, combining enhanced performance with built-in Wi-Fi for modern connected projects. In the South African context, students, hobbyists, teachers, and industrial engineers increasingly demand local pricing transparency, options for in-branch pickup, and trustworthy, VAT-inclusive quotations for the latest hardware. This page details current Uno R4 WiFi prices in SA, what's included, and practical buying advice for schools, labs, and engineering teams.

Key Features at a Glance

Powered by Renesas RA4M1 32-bit ARM Cortex-M4 (48MHz)
256 kB flash, 32 kB SRAM: more memory for complex sketches
Onboard ESP32-S3 for Wi-Fi/Bluetooth(R) connectivity
Standard Uno R3 header pinout (shield compatible*)
USB-C device interface / HID support
12-bit ADCs, CAN bus, onboard Qwiic (I2C) connector

Note: Local stock may sometimes vary; confirm live inventory and prices direct on the Communica product page or call your nearest branch.

Pricing: What Should South Africans Expect?

As of early 2024, the Arduino Uno R4 WiFi retails in South Africa in the range of ZAR 700-1050 (VAT inclusive), depending on stock, shipping, and the inclusion of USB cables or pin headers. Pricing can fluctuate due to currency rates, import duty, and distribution cost. Volume, educational, or quote-based orders are common for tertiary labs and industrial procurement teams - Communica's account desk is equipped to handle these requirements efficiently.

Variant	Approximate Price (ZAR, VAT incl.)	Availability
Uno R4 WiFi Board Only	ZAR 720-860	Stocked in main branches
Uno R4 WiFi with USB-C Cable	ZAR 850-1,050	Bundle: check on request

All prices are indicative as at Q2 2024 and may shift with the exchange rate; always review the current listing via Communica's online store or confirm with your nearest branch for the latest.

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Feature	Uno R3	Uno R4 WiFi
Processor	8-bit ATmega328P	32-bit RA4M1 (ARM Cortex-M4)
Flash/SRAM	32kB / 2kB	256kB / 32kB
Wireless	None	Wi-Fi/Bluetooth(R) (ESP32-S3)
ADC Resolution	10-bit	12-bit
CAN Bus	No	Yes
USB	USB-B	USB-C

Arduino Uno R4 WiFi Price and Availability in South Africa - Where to Buy

Local SA Pricing & Stock

Key Features & Specs

Easy Collection & Quotes

Overview: Arduino Uno R4 WiFi for South African Makers

Key Features at a Glance

Pricing: What Should South Africans Expect?

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Hammond 1593hamarbk Enclosure Case Designed 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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