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GCSE Coursework A3a - Research from Two Named Sources

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GCSE Coursework:
Intro
A1
A2
A3a
A3b
A4
A5
A6
A7
B1
B2
B3
B4
B5
B6
B7
C1
C2
C3
C4
C5
D1
D2
D3

A3
Do your research.
Use at least two sources.
Record your sources.
It's a good idea to research the chips you are going to use.
Find out the safe operating voltages, the pin layouts and if possible, circuit diagrams.
Here is an example ...

Example Work for A3