snip... Hi Kevin, If you have servo motors in the 12 to 24 volt range needing less than 5 amps current, (50-100w servo), and you enjoy playing with pics, the dspic servo is a great little project. It can be built using samples for most of the components. It is not the most efficient output stage as it uses a linear current source to drive the motors. You will need heatsinks and possibly a computer fan to keep things cool. The code is not that complicated on the pic, and it is fully open source, so you may be interested in building one or more to play with. I know of at least 3 tabletop machines that are using the amps. Power supplies can be put together cheaply by rewiring typical ham radio 12 volt linear supplies to generate +-25volts. (18vac transformer into a bridge rectifier and 2 capacitor banks). I am usually on the emc and emc-devel irc channels during the day if you have more questions.
cheers LawrenceG > Regarding the step & direction servos ... > > Having worked with PIC microcontrollers in the past, I was interested in > maybe constructing the dspic-servo board (which uses the type 2 stepper > signals). In your opinion, would I be better off with one of the other > options you offered? > > Any feedback is appreciated. > > Thanks! > ------------------------------------------------------------------------- > This SF.Net email is sponsored by the Moblin Your Move Developer's challenge > Build the coolest Linux based applications with Moblin SDK & win great prizes > Grand prize is a trip for two to an Open Source event anywhere in the world > http://moblin-contest.org/redirect.php?banner_id=100&url=/ > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users -- ===================================================================== Lawrence Glaister VE7IT mailto:[EMAIL PROTECTED] 1462 Madrona Drive Nanoose Bay, B.C. http://members.shaw.ca/swstuff Canada V9P 9C9 http://gspy.sourceforge.net ===================================================================== ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
