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7-Segment Display Common Cathode

RM3.00

7-Segment Display Common Cathode

RM3.00

seven-segment display (SSD), or seven-segment indicator, is a form of electronic display device for displaying decimal numerals that is an alternative to the more complex dot matrix displays.

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Description

Seven-segment displays are widely used in digital clocks, electronic meters, basic calculators, and other electronic devices that display numerical information.

Hexadecimal digits can be displayed on seven-segment displays. Today, a combination of uppercase and lowercase letters is commonly used for A–F; this is done to obtain a unique, unambiguous shape for each hexadecimal digit (otherwise, a capital ‘D’ would look identical to a ‘0’ and a capital ‘B’ would look identical to an ‘8’). Also the digit ‘6’ must be displayed with the top bar lit to avoid ambiguity with the letter ‘b’.

Hexadecimal encodings for displaying the digits 0 to F
Digit Display gfedcba abcdefg a b c d e f g
0 0 0x3F 0x7E on on on on on on off
1 1 0x06 0x30 off on on off off off off
2 2 0x5B 0x6D on on off on on off on
3 3 0x4F 0x79 on on on on off off on
4 4 0x66 0x33 off on on off off on on
5 5 0x6D 0x5B on off on on off on on
6 6 0x7D 0x5F on off on on on on on
7 7 0x07 0x70 on on on off off off off
8 8 0x7F 0x7F on on on on on on on
9 9 0x6F 0x7B on on on on off on on
A A 0x77 0x77 on on on off on on on
b b 0x7C 0x1F off off on on on on on
C C 0x39 0x4E on off off on on on off
d d 0x5E 0x3D off on on on on off on
E E 0x79 0x4F on off off on on on on
F F 0x71 0x47 on off off off on on on
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