SPOT 
THE MISTAKES!
Page 7

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INDEX

2-Digit Display
The next circuit has a number of problems. It is possibly the worst "2-Digit Display" project I have seen.
The main fault with the design is the "on time" for each segment. To explain this, we will need to cover some background theory.
When two displays are connected to a microcontroller, only one display can be illuminated at the a time.