https://developer.chrome.com/extensions/getstarted
https://developer.chrome.com/extensions/tut_debugging
C:\Documents and Settings\costycnc\Local Settings\Application Data\Google\Chrome\User Data\Default\Extensions\ngncibnakmabjlfpadjagnbdjbhoelom
ngncibnakmabjlfpadjagnbdjbhoelom gcodesender
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https://drive.google.com/open?id=0BzDuTPB5XlKOd1N5ak8wUEVkS28
img_nc offline
unzip gcodesender.zip si trage folder in chrome://extensions/
se va instala automat in :
C:\Documents and Settings\costycnc\Local Settings\Application Data\Google\Chrome\User Data\Default\Extensions
Grbl 28byj
Daca $0=4096 ($0 step/pixel and 64x64=4096 one revolution)
16 denti x (2+2mm)= 64mm one revolution
G00 X1 -> one revolution = 64mm
4096 steps / 64 mm = 64 step/mm
in paint 38 pixel/1.1cm 3.4 pixel/mm
Paint 96 dpi -> 96 pixel/ 2.54 mm (inch) = 1 mm -> 3.7 pixel
340 step/ mm cnc
3.7 pixel/mm paint
x 4 =1mm con scale 1 x 4 =1cm con scale .1
x 1 =0.25 mm
96 dpi 1mm -> 4 pixel
cnc 1mm -> 340 step
??????
20 dinti / 16 dinti = 1,25
340/ 1.25=272
$0=340 pentru roata de 16 dinti
$0=272 pentru roata de 20 dinti