Re: DIY DRO Kit Update
Posted by
kooloosj
on 2003-08-08 22:00:01 UTC
Hi Guys,
If you want to read quadrature encoders directly I would definately
recommend utilising the LS72661 chip from US Digital it's a damn
sight cheaper than missed counts on an expensive machining job. Scott
I have Bascom Basic code to achieve initialising and reading this
chip with an AVR if you're interested (Sorry I don't like Pic's or
more the lack of friendly languages for novices). The big issue with
this type setup is we are now reading a number of "ticks" not nice
convenient numbers as with your scales so there is some work to do on
parsing this data to display it on 7seg LED's. I cheated a bit here
and simply used a large LCD display I purchased cheap, good enough
for my little Taiwanese mill when your looking straight at the
display. Boondog.com also has some good programming starters for this
chip. Keep up the great work.
Kind Regards, JK
If you want to read quadrature encoders directly I would definately
recommend utilising the LS72661 chip from US Digital it's a damn
sight cheaper than missed counts on an expensive machining job. Scott
I have Bascom Basic code to achieve initialising and reading this
chip with an AVR if you're interested (Sorry I don't like Pic's or
more the lack of friendly languages for novices). The big issue with
this type setup is we are now reading a number of "ticks" not nice
convenient numbers as with your scales so there is some work to do on
parsing this data to display it on 7seg LED's. I cheated a bit here
and simply used a large LCD display I purchased cheap, good enough
for my little Taiwanese mill when your looking straight at the
display. Boondog.com also has some good programming starters for this
chip. Keep up the great work.
Kind Regards, JK
Discussion Thread
sshumate
2003-08-05 00:22:58 UTC
DIY DRO Kit Update
Vince Negrete
2003-08-05 03:12:57 UTC
Re: [CAD_CAM_EDM_DRO] DIY DRO Kit Update
sshumate
2003-08-05 14:02:43 UTC
Re: DIY DRO Kit Update
Dan Mauch
2003-08-05 15:35:50 UTC
RE: [CAD_CAM_EDM_DRO] Re: DIY DRO Kit Update
Vince Negrete
2003-08-05 16:46:11 UTC
Re: [CAD_CAM_EDM_DRO] Re: DIY DRO Kit Update
sshumate
2003-08-05 19:44:54 UTC
Re: DIY DRO Kit Update
kooloosj
2003-08-08 22:00:01 UTC
Re: DIY DRO Kit Update