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.

Half-Size Breadboard with 400 Tie Points - Buy in South Africa

Shop half-size 400 tie-point breadboards at Communica. Local stock, branch pickup in Samrand/Pretoria/Cape Town, accessory bundles and quotes for education.

Published:January 2, 2026

4 min read

Image supplied by 123RF

Compact prototyping

400 tie-point boards balance size and component capacity for quick builds.

Local availability

Check Samrand stock, branch pickup and VAT invoicing for education or bulk orders.

Accessory bundles

Choose kits with jumper wires, power modules and mounting options for classroom use.

Overview: 400 tie-point half-size breadboards

A half-size breadboard with 400 tie points is a compact solderless prototyping board commonly used for circuit experiments, education labs and quick proof-of-concept builds. These boards typically provide a convenient working area that balances space and component density, making them popular for Raspberry Pi/Arduino companion projects, sensor breakout testing and portable bench work. Communica stocks a range of breadboards and accessories suitable for classroom and maker use, with options to check local availability and branch pickup.

Typical features and specifications

Most 400 tie-point half-size breadboards include:

Four 10- or 20-column terminal strips totalling ~400 tie points
Two power rails (often marked red/blue) on one or both sides
Self-adhesive backing and/or mounting holes for enclosures
Compatibility with 0.1" (2.54 mm) pitch components and jumper wires

Spec	Typical Value	Why it matters
Tie points	~400	Space for components and jumpers
Pitch	2.54 mm (0.1")	Fits standard ICs, headers, resistors
Power rails	Single or double-sided	Convenient distribution of Vcc and GND

Selection criteria for South African makers

When choosing a 400 tie-point half-size breadboard, consider the following practical factors for local use:

Durability of contact clips - frequent reuse in labs
Mounting options - adhesive vs screw holes for project enclosures
Inclusion of jumper leads and power rails in bundles
Availability and lead time - check stock at the Samrand warehouse or nearby branches

You can browse related categories such as development boards and prototyping tools on our Collections page, or see the full product range on the All Products index for compatible jumper sets and power modules.

Consider whether you need a single 400-point board for compact projects or multiple boards that can be clipped/combined for larger prototypes. For classroom kits, look for bundles that include jumpers, power rails and storage.

Compatibility, accessories and specification callouts

Breadboards with 400 tie points are designed around 2.54 mm spacing, so they are compatible with standard DIP ICs, resistor networks, headers, sensor breakout boards and common jumper leads. Typical accessory bundles to consider:

Male-to-male and female-to-male jumper wire kits (20-120 pieces)
Battery holders or USB power modules for portable testing
Dupont header pins and shorting jumpers for rail linking
Clear acrylic mounting plates or project enclosures

Practical wiring and simple example

A basic LED + resistor circuit on a 400 tie-point breadboard follows Ohm's law: V = IR. Example for a 5 V microcontroller pin driving an LED:

Required resistor R = (Vsup - Vf) / I. If Vf (LED forward voltage) = 2.0 V and desired I = 10 mA, R = (5 - 2) / 0.01 = 300 ohms (use 330 ohm standard resistor).

Simple ASCII wiring diagram:

 MCU 5V ---+----[LED]>---[R]--- GND
           |
           +---- Power rail of breadboard

Troubleshooting common breadboard issues

Poor contacts: gently wiggle component leads or replace the board if clips are fatigued.
Wrong rail orientation: verify power rails are continuous and correctly mapped before applying voltage.
Noisy signals: keep long jumper leads short and use decoupling capacitors on power lines for microcontroller projects.

For local logistics, check stock and branch pickup options at our Samrand head office or view branch hours for collection in Pretoria or Cape Town via the Branches & Trading Hours page. If you need branded accessories or specific jumper kits, our Shop by Brand page lists popular suppliers stocked locally.

Buying options and value-added services: Shop Now for single units, Check Stock in Samrand for same-day collection, Compare Specs using product datasheets, or Request a Quote for education kits and bulk procurement. Communica provides VAT invoices and account quoting for school and institutional purchases; delivery times and lead times are shown on product pages and may vary by branch.

Local use cases and recommendations

For South African universities and maker groups, a common starter kit includes one 400 tie-point breadboard, a 40-120 jumper wire set, an assortment of resistors and LEDs, and a USB power module. Estimated starter-kit cost ranges vary; check current pricing in ZAR on product pages. For production prototyping, consider combining multiple half-size boards or upgrading to full-size breadboards if space becomes limiting.

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Half-Size Breadboard with 400 Tie Points - Buy in South Africa

Compact prototyping

Local availability

Accessory bundles

Communica South Africa

Overview: 400 tie-point half-size breadboards

Typical features and specifications

Selection criteria for South African makers

Compatibility, accessories and specification callouts

Practical wiring and simple example

Troubleshooting common breadboard issues

Local use cases and recommendations

Sources

DEC cc

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