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AS Coursework Af - Compare Alternative Solutions

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AS Coursework:
Intro
Aa
Ab
Ac
Ad
Ae, Ca
Af
Ag
Ba
Bb
Bc
Bd
Be
Bf
Bg
Bh, Bi
Cb, Cc
Cd
Ce
Cf
Da
Db
Dc

Af
Consider two or more alternative solutions.
Provide a detailed description of the advantages and disadvantages of at least two alternatives.

For example
Will you use a relay, a MOSFET or a bipolar transistor?
Will you use a pressure pad, a reed switch or a motion sensor?

Describe the advantages and/or disadvantages of each way of solving the problem.

Here is an example ...

Example Work for Af