Online Development Notebook > Index > Misc Applications Information > Red 4 Digit 7 Segment Display

Red 4 Digit 7 Segment Display


Display from old clock: Common cathode, red.

Pins left to right (1 to 14)

1  - Digit 3

2  - Segment a

3  - Digit 2

4  - Digit 1

5  - Segment e

6  -

7  - Segment d

8  -

9  - DP

10 - Segment c

11 - Digit 4

12 - Segment g

13 - Segment f

14 - Segment b

 

0 = abcdef

1 = bc

2 = abdeg

3 = abcdg

4 = bcfg

5 = acdfg

6 = acdefg

7 = abc

8 = abcdefg

9 = abcdfg

A = abcefg

b = cdefg

C = adef

d = bcdeg

E = adefg

F = aefg

- = g

{blank} = none of the segments

RobotBASIC Code to cycle 1234 across this display. Note that this test circuit does not use current limiting resistors, as the U401 (old style of board) is limited in the output current that is can produce.

 


Hardware:  U401 USB Interface    U421 USB Interface   U451 USB Interface

Programming:  USBm DLL Programming    Download Files

Application Notes:  U4x1 Application Notes    Misc Applications and Information    FAQ

While every effort has been made to make sure that the information posted on this site is correct, the author can not be held liable for any damages whatsoever for losses as a result of the application of this information. Use this information at your own risk.

USBmicro can design your custom and semi-custom USB product. Email about USB design can be directed to " Robert " at usbmicro.com.

Copyright © USBmicro, L.L.C., 2002-2010
Previous  |  Next ]     [ Up  |  First  |  Last ]     (Article 118 of 126)

This page is created with TreePad