http://code.activestate.com/recipes/tags/bargraph-generator/2011-05-04T17:58:08-07:00ActiveState Code Recipes2011-05-04T17:58:08-07:00Barry Walkerhttp://code.activestate.com/recipes/users/4177147/http://code.activestate.com/recipes/577685-dual-4-bit-vertical-coloured-analogue-bar-graph-ge/

<p style="color: grey"> Python recipe 577685 by <a href="/recipes/users/4177147/">Barry Walker</a> (<a href="/recipes/tags/analogue/">analogue</a>, <a href="/recipes/tags/anim/">anim</a>, <a href="/recipes/tags/audio/">audio</a>, <a href="/recipes/tags/bargraph/">bargraph</a>, <a href="/recipes/tags/color/">color</a>, <a href="/recipes/tags/colour/">colour</a>, <a href="/recipes/tags/demo/">demo</a>, <a href="/recipes/tags/display/">display</a>, <a href="/recipes/tags/linux/">linux</a>). </p> <p>This is a two channel version of the "Four Bit Vertical Coloured Analogue Bar Graph Generator DEMO...".</p> <p>These are DUAL LED style "VU" meters in the vertical plane...</p> <p>This is for standard Python 3.x.x.</p> <p>It has different overload beeps for each channel, and has all the unwanted code has been removed.</p> <p>It demonstrates how to obtain multichannel ability, (it is possible to add more channels).</p> <p>Enjoy finding simple solutions to often very difficult problems...</p> <p>Bazza...</p>

2011-03-17T22:14:52-07:00Barry Walkerhttp://code.activestate.com/recipes/users/4177147/http://code.activestate.com/recipes/577612-seven-bit-colored-analogue-bar-graph-generator-dem/

<p style="color: grey"> Python recipe 577612 by <a href="/recipes/users/4177147/">Barry Walker</a> (<a href="/recipes/tags/analogue/">analogue</a>, <a href="/recipes/tags/anim/">anim</a>, <a href="/recipes/tags/audio/">audio</a>, <a href="/recipes/tags/bargraph/">bargraph</a>, <a href="/recipes/tags/color/">color</a>, <a href="/recipes/tags/colour/">colour</a>, <a href="/recipes/tags/demo/">demo</a>, <a href="/recipes/tags/display/">display</a>, <a href="/recipes/tags/linux/">linux</a>). Revision 3. </p> <p>..For STANDARD Python 2.6 and above...</p> <p>This code will display a horizontal full colour analogue "VU" style meter. It displays green for normal, yellow for warning and red for danger with a critical error beep near the end of full scale, at value 120+.</p> <p>This version is for Python 2.6 and above and only for the Linux, (*nix?), platform.</p> <p>It is an "at a glance" display that is in colour rather than having to read say a digitally generated number.</p> <p>A Python 3.x version can be found here:-</p> <p><a href="http://www.linuxformat.com/forums/viewtopic.php?t=13443" rel="nofollow">http://www.linuxformat.com/forums/viewtopic.php?t=13443</a></p> <p>This has uses "for at a glance" voltmeters, ammeters, data-loggers, anemometers etc, etc...</p> <p>Watch for wordwrapping etc...</p> <p>NOTE:- This is Public Domain and you may do with it as you please.</p> <p>73...</p> <p>Bazza, G0LCU...</p> <p>Team AMIGA...</p>

2011-04-23T20:50:55-07:00Barry Walkerhttp://code.activestate.com/recipes/users/4177147/http://code.activestate.com/recipes/577675-four-bit-vertical-coloured-analogue-bar-graph-gene/

<p style="color: grey"> Python recipe 577675 by <a href="/recipes/users/4177147/">Barry Walker</a> (<a href="/recipes/tags/analogue/">analogue</a>, <a href="/recipes/tags/anim/">anim</a>, <a href="/recipes/tags/audio/">audio</a>, <a href="/recipes/tags/bargraph/">bargraph</a>, <a href="/recipes/tags/color/">color</a>, <a href="/recipes/tags/colour/">colour</a>, <a href="/recipes/tags/demo/">demo</a>, <a href="/recipes/tags/display/">display</a>, <a href="/recipes/tags/linux/">linux</a>). </p> <p>This is a(n) LED style "VU" meter in the vertical plane instead of the horizontal one in the recipe below:-</p> <p><a href="http://code.activestate.com/recipes/577612-seven-bit-colored-analogue-bar-graph-generator-dem/?in=lang-python" rel="nofollow">http://code.activestate.com/recipes/577612-seven-bit-colored-analogue-bar-graph-generator-dem/?in=lang-python</a></p> <p>It is another "AT A GLANCE" display with an overload error beep too.</p> <p>This is for Linux only and tested on Python 2.6.x although it should work on earlier 2.x.x versions.</p> <p>A Python 3.x.x version can be found here:-</p> <p><a href="http://www.linuxformat.com/forums/viewtopic.php?t=13637" rel="nofollow">http://www.linuxformat.com/forums/viewtopic.php?t=13637</a></p> <p>This is issued as Public Domain and you may do with it as you please.</p> <p>Enjoy finding simple solutions to often very difficult problems...</p>