Anders, yes, that's me. If you search the web for "RRS3300", you will find my failed search and little else. I have a scan of your RRS6500 manual. Your machine is a later generation than mine; the spooler is a blank-sheet redesign. In your pictures, you highlight the small electrolytic caps, but those large Sprague TVA's deserve some side-eye as well.
Regards, Dave Wise in Hillsboro Oregon PS - Your model number sticker indicates "option 003". I wonder what that is. ________________________________ From: Mike Katz via cctalk <[email protected]> Sent: Monday, April 14, 2025 10:54 AM To: Chuck Guzis via cctalk <[email protected]> Cc: Mike Katz <[email protected]> Subject: [cctalk] Re: Paper Tape Reader Needed Chuck, Could you share the schematic and source code with me, please? Thanks, Mike On 4/14/2025 10:38 AM, Chuck Guzis via cctalk wrote: > On 4/14/25 07:47, Mike Katz via cctalk wrote: >> I have a couple of Sanyo Denki units that I can do the same for. I was >> hoping for a serial/USB option that would handle fan fold in stead of >> rolled paper tape. > I threw together my USB interface for the Sanyo Denki in an afternoon, > using the lowest of the STM32F103 MCU "Blue pills" - the C6. Useless > for many blue pill projects, but adequate to hold USB comm support and > the simple logic to control the paper tape reader. > > Why the STM32F103? I had a bunch of the things wasting space and they > feature 5V tolerant I/O and a sufficient number of GPIOs to interface to > the parallel reader output. There was plenty of flash program memory > left unused so that other features could be added if desired. > > I suspect almost all CNC-oriented tape readers have a similar interface > to that of the Sanyo. > > Really, if you're talking about it and not doing it, you're squandering > time that you could spend implementing it. > > --Chuck
