Lesson Objectives

1. Practise writing sequence of instructions2. Write flowcharts for different mechanisms

Keywords:Input sensorMotion sensorOutputMotor

Input sensor Output

Motion Sensor Motor

Person there No Person there

Door Open Close

Flowchart Symbols

yes

no

Start

Is somebody at the door?

Open door

Close door

Words….

Srnsseo Sensors

cutrnsstoiin Instructions

The Question….

What steps did we go through to get an answer for the problem?

What is this similar to?

Making coffee

Boil water Drink coffee Take coffee from cupboard Fill kettle

Yes

Start

Put coffee in cup

Milk?

Drink coffee

Stop

Boil water

Add water

No

Add milk

Making coffee Start or stop

Input/output

Process

Decision

Flowchart symbols

Start or stop

Decision

Input or output

Process

Flowchart Symbols

Identify

Outline of the problem

Analyse

The needs of the system

Evaluate

Refining the system

Design

Planning all parts of the system

Implement

Creating the system

Test

Making sure the system works

System Life

Cycle

Identify

Outline of the problem

Analyse

The needs of the system

Design

Planning all parts of the system

Implement

Creating the system

System Life

Cycle

Lesson Objectives

1. Practise writing a sequence of instructions

2. Draw flowcharts for different