Segment LCD
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What is a Segment?
A segment is any line, dot or symbol that can be turned on and off independently. The photo below is of a segment LCD that contains numbers, a small clock symbol, the word ‘Jul’, and the letters ‘PM.’
Seven Segments
What is a ‘seven’ (7) segment?
There are four numbers in the above LCD (0 8 4 7) all are seven segments. In other words the ‘0’ has seven segments, the ‘8’ has seven segments and so on. Each number has seven independent segments. Each segment can be turned on and off independently to create other numbers and some letters such as E, F C and others. This is an example of a ‘seven’ segment. But there are some letters that a seven segment cannot display such as the letter ‘M’ or ‘V’. In this case a fourteen segment configuration can be used.
Fourteen Segments
A fourteen segment is able to display any number and even more letters than the seven segment.
