Redfern Electronics

Redfern Electronics sells programmable electronics, including Crumble controllers, components and accessories.

Quick overview

Its range also includes Sparkles, robotics and Smart Crumbs, with software and project resources available for Crumble.

Crumble controllers have four input/output pads and can drive two motors at variable speeds.
The range includes Crumble bundles, Crumble-friendly components and Circuits for Science.
Crumble Code runs in a supported desktop browser and can be installed for offline use.
A downloadable guide covers programming, motor control, Sparkles and inputs.
Project resources include guides and, for some activities, lesson plans, presentations, worksheets or templates.

Introduction

Redfern Electronics sells programmable electronics, components and accessories, including the Crumble controller and Sparkles LEDs.

Its range also includes Crumble bundles, robotics, Smart Crumbs and Circuits for Science. The site offers software and resources for Crumble projects.

What Redfern Electronics offers

The shop offers Crumble controllers and accessories alongside Crumble-friendly components. There are also Sparkles, Smart Crumbs and electronics bundles.

Redfern Electronics provides Crumble programming software, a getting-started guide, project resources and a troubleshooting guide.

Product and service categories

Crumble

Crumble is a programmable controller with four input/output pads. It can drive two motors forwards and backwards at variable speeds.

Crumble bundles

The range includes Crumble bundles.

Sparkles

Sparkles are digitally controlled LEDs that can be connected to a Crumble. They require an external power source, such as a 3AA battery pack.

Crumble-friendly components

Redfern Electronics offers Crumble-friendly components, including a battery box. The site also describes using standard components such as LEDs, buzzers, switches and LDRs with a Crumble.

Robotics

Robotics is among the product categories offered by the merchant.

Smart Crumbs

Smart Crumbs are included in the range. The Crumble software supports them.

Circuits for Science

The merchant also offers a Circuits for Science category.

Accessories

Crumble accessories include croc leads. The controller also has pads for terminal blocks and larger holes that can take conductive thread or 4mm banana plugs.

Browse the full range on the Redfern Electronics website.

More Info

Using the website

The newsletter covers product launches, software updates and projects.

Crumble Code is a browser-based programming environment that can also be installed as a Progressive Web App for offline use. It requires a desktop browser that supports USB connections, such as Chrome or Edge.

Notable features

The downloadable getting-started guide covers the Crumble software and writing a first program. It also covers Sparkle and motor control, digital and analogue inputs, variables and maths.

Project resources include ideas for reaction timers, parking sensors and moving eyes. Some projects have step-by-step guides, lesson plans, presentations, worksheets or templates.

A programming concepts resource explains sequence, input and output, repetition, selection and variables. Crumble Basics videos cover the starter kit, Sparkles and motors.

Frequently asked questions

Which computers can run the Crumble software?

Desktop software is available for Windows, Mac and Linux. The FAQ also says the software runs on Chromebooks.

How are programs built in the Crumble software?

Programs are built by snapping blocks together on screen. The software includes blocks for operations such as loops, waits and motor control.

What power source do motors need?

Motors require external power from a 3AA battery pack. The on-board motor LEDs can receive power from a USB lead.

Can the Crumble pads be used as inputs and outputs?

Pads A, B, C and D can each be used as inputs or outputs, according to the software instructions. Pad D also outputs data to control Sparkles.

Can standard electronic components be used with a Crumble?

Yes, standard components can be used. Examples named in the FAQ include LEDs, buzzers, switches and LDRs.

Can a bulb be controlled by a Crumble?

A bulb can be connected to output 1 or 2 and controlled with a motor block in the software. The FAQ says outputs A, B, C and D do not supply enough current for a bulb.

Key takeaways

Redfern Electronics sells Crumble controllers, bundles, components and accessories.
Other categories include Sparkles, robotics, Smart Crumbs and Circuits for Science.
Crumble software is available for desktop computers and through a browser-based environment.
Guides, videos and project resources cover programming and Crumble activities.

Summary

Redfern Electronics offers programmable electronics and accessories alongside software and resources for Crumble projects. The range brings together controllers, LEDs, components and robotics, with guides covering both programming concepts and practical projects.