Produce a document covering the main points below...
There are ideas here - http://www.softwareforeducation.com/electronics/Projects/index.htm
This should be short and snappy. One line maximum.
This should describe in a few sentences the problem you are going to solve. There should be more than one way to solve the problem.
There are ideas here - http://www.softwareforeducation.com/electronics/Definitions/circuits.htm
Write down what the module does.
Write down how you can test the module to see if it is doing it.
To get a good project mark, you need to calculate component values and then measure your modules. Useful numbers include ...
What measurement or signal goes into your project?
For example: Temperature (thermistor), Light Level (LDR or PhotoDiode), Sound (microphone/mp3 player/musical instrument), Switches, Distance Measurement, Detect movement
What does your project do with the input signal?
For example: Amplify a signal, Compare a signal with a reference, Transducer Driver, Timer, Pulse Stream
What comes out of your project?
For example: Lights, Sound, Movement, Numbers, Meter Reading
Here is an example ...
My project will ...