(I figured this might be of general interest to the group, so I'm posting here rather than directly to Greg.)
I've completed construction of the first of the REX boards that Greg sent me. I've learned quite a few things through this process and have a bit of feedback to on both the instructions and the actual board. Is the person who maintains the board project on OSH park open to some changes for optimizing hand-assembly? Basically, it would be great if some of the pads for the resistors and caps could be made slightly longer. Not sure if that's possible or not. Also, sanding the board is a big time sink, so it would be great if it could be updated to use the castellation at the factory. http://docs.oshpark.com/tips+tricks/castellation/ Even if the router edge only partly cuts into the vias, it would still save a fair amount of time in hand-handing down to the actualy center of the vias. I got GREAT results from using chipquick 63/37 solder and a concave drag tip. I also learned lots of reasons not to use paste flux in a syringe. I'll have to find time to write up my exact assembly tools and procedure. I also took plenty of pictures using a magnifying glass in front of my phone camera :) https://twitter.com/48kRAM/status/913859915281829888 Greg: I'll try to get the programming done this weekend. I'm still uncertain of my 102's stability, so I might end up only programming the CPLD and then shipping you the first board to finis programming in the Tandy and verify. Is that okay? Obviously, if it doesn't work, we'll discuss further :) -Josh https://twitter.com/48kRAM/status/913859915281829888 https://twitter.com/48kRAM/status/913859915281829888 https://twitter.com/48kRAM/status/9138599152818
