[Emc-users] intro and question about Jeff Epler's Etch CNC servo driver board

2007-08-23 Thread Sebastian Kuzminsky
Hi folks, I'm new here. My name is Sebastian Kuzminsky, I live in Boulder, Colorado. I'm a software guy with a little electronics experience. For my day job I do mostly kernel and network programming in Linux. I'm just starting to play around with machine tools and CAD software. I've cut some

Re: [Emc-users] intro and question about Jeff Epler's Etch CNC servo driver board

2007-08-23 Thread Jeff Epler
On Thu, Aug 23, 2007 at 10:40:02AM -0600, Sebastian Kuzminsky wrote: About the circuit, what is the purpose of resistors R1-R4? They look like pull-up resistors for the encoder outputs. The encoder I had used OC drivers, so the resistors were the recommended circuit. If your encoder has