Boston Grammar School

School Postcode: PE21 6JY DCFS number:
Staff member who developed this case study: Nigel Henry
Email contact: n.henry@bostongrammar.lincs.sch.uk
School telephone: 01205 366444 No. on roll: 670
Brief pen picture of school: BGS is the boys section of the grammar school federation. The school was founded in 1555 and is close to the centre of Boston.

1. The Teacher CPD Course:

The Project Brief:
Design and make, to prototype stage, a robust artefact that will contain an electronic circuit that will work as a quiz master.
Specification:

The product must have:

Safety requirements
· Low operating power requirements – less than 5 volts.
· No sharp edges.
· No loose small parts.
· Be battery powered.
· Allow for the changing of the battery(s)
· Provide instructions for the safe disposal of the used batteries.Aesthetic requirements
· Be ergonomic to hold and operate
· Be made in bright colours
· Have a shiny surface
· Has suitable and attractive graphics.
· Has a suitable product name (identity)

User requirements
· Be simple to operate for a wide age range from 11 to 60.
· Have suitable user instructions that may be understood by a wide range of nationalities.
· Have instructions on how to changes the battery and for safe disposal.
· Be small enough for an 11 year old to use.
· Be suitable for either gender.
· Provide an expandable range of questions.
· Suit a range of abilities and interests.

Disposal requirements.
· The unit should be 90% recyclable
· Any non-recyclable parts should be identified and suitable disposal instructions provided.

Cost requirements
· The prototype will cost less than £2 to manufacture.
· The final design will be made suitable for mass manufacture.

The product might have.

· Electronic scoring.
· Various user levels or challenges.
· Be packaged in an attractive manner to encourage sales.
· Have a storage box or bag.
· Be made in a selection of languages for sale in other countries.
· Memorise scores so a game can be continued.
· Be made for multi players.

Concept Sketches:
1. Electronic circuit development:
a) Circuit diagrams/schematics
b) PCB artwork
c) Program details

The Final Circuit Board:
Commentary:
2. CAD/CAM Development:
Final CAD Design:
CAM Manufacture:
Commentary:

2. The Student Scheme of Work

Aimed at Key Stage: 3
Estimated time available for project: 20 periods of 50 minutes
National Curriculum PoS covered by Scheme of work:
The Scheme of Work:

Year 7 – Super Quiz (Electronics) (20 x 50 minutes) (Version 1)

Stage Lesson Outline Skill/knowledge acquired SMSC ICT IIR Homework Assessment Resources
1 Introduction – What is the super quiz.
Show examples of product and where they might use one.
Brief – ‘Design and make, to prototype stage, a robust artefact that will contain an electronic circuit that will work as a quiz master.
Analysis of design problem in-groups then record individually using project booklet.
Background to project
Observational skills
Starting to focus on a problem area, and making a fun solution.

Working in pairs.
Use of spider diagrams and ability to identify potential areas for research.
X X X Research facts from which 40 questions can be devised. Homework A to D

Peer judgement
Examples of hand held game

Project booklet
2 Investigating Electricity and Electronics
Conductors and insulators.
Convention and symbols
Using project cards to help us learn
Identifying components the resistor colour code
Testing for conductors with the multimeter
Using computers and interaction to investigate and learn about electronics.

Producing a PCB with the aid of CAD/CAM
Using multimeters to check for continuity and resistance.
  X X Produce a guide to using the resistor colour code. Homework A to D

Completed booklet
Booklet

Resistor colour code cards

Multimeters

Conductors and insulators resource card
3 PCB POPULATION Making a box to keep own work and components in.
Identification of components
Distribution of components to team leaders and then to individuals
Health and Safety issues in electronics
Demonstrating using a soldering iron
Soldering components
Preparing for testing
Looking after and handling components
Checking PCB’s

Soldering components.
Safety considerations of above.
Cooperating with others

Distribution systems in industry
X X X Produce a guide to safe and proper use of the soldering iron. Homework A to D Booklet

Pre prepared PCB
Components
Solder Irons
PCB Drill

Paper for Box for work
4 Testing the Electronics
Checking the circuit before connecting to a battery
Adding the Genie IC
Last checks before attaching to the battery.
Testing procedures
Inserting ICs

Quality control and assurance QCA
  X X Write a short report on how the manufacture of the PCB was done. Homework A to D Completed PCB
Multimeters
Genie chips
Batteries
Sample question cards
5 Evaluation of Electronic Element. Making records
Value judgements
X X X   Peer judgement Own product
6 Design of Product Casing
With reference to brief and research pupils to generate a specification and subsequently generate ideas.
Consideration must be given to Shape / Size / Design / Colour and any additional decoration.
Class discussion
Application of new knowledge to everyday situations.

Improve presentation skills
Use booklets to study: -mass manufacturing and modelling.
  X X Write plan of action for producing the product casing. Homework A to D Source materials on casings.
7 CAD CAM as a solution
Introduction to ProDESKTOP as a design tool
Exporting designs for manufacturing
Using and develop skills in CAD X X X Install ProDESKTOP on their home computer.
Practice the skills learnt in school
Homework A to D

Electronic or printed evidence
ProD CDs

Computers
8 Manufacture of Casing
Recap on design brief & specification
Scale of production.
How the design would have to be adapted for batch and mass production
Using given basic design criteria manufacture the casing.

Use CAD/CAM to produce the components
X X X Packaging.
Aesthetics and demands.
Develop ideas for packaging the product
Homework A to E Booklet
Workshop tools and equipment
Resistant materials
Computers
9 Design and manufacture of question cards
Use researched questions to produce more than one card.
Using design constraints to use CAD to produce the cards X X X   Printed and shaped evidence Computers and Laser
10 Testing and Evaluation
Evaluation of product that has been manufactured by comparing it to the original brief.
Evaluating products.
Evaluation considerations.
    X Completion of booklet Homework A to E Booklet

Products.
List the design decisions (from David’s Barlex’s Nuffield D&T pentagon) you will be asking pupils to make.
Individual Lesson Plans:
Student Outcomes:
Commentary:

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