hey, cool. didnt you get a board violation for putting the board perimeter in the middle of the via? do you need a spacer under the board when in the socket?
On Thu, May 26, 2016 at 1:04 AM, Brian White <bw.al...@gmail.com> wrote: > Just verified a new option rom module design. > > Adapts a 28C256 SOIC to a Model 100/102/200 option rom socket. > > Allows re-programming the eeprom after the chip has been soldered to the > module. A pullup resistor and a jumper on-board allows enabling/disabling WE > on the eeprom as needed. > > There is a special programming adapter to make it convenient to re-program > after soldering the chip, but there's a problem with that, so at the moment > you can still program (re-program) using a dip28 test clip and manually > arranging 28 jumper wires. Not the most convenient but functional. > > This is essentially the same as "ROMBO" or "MOMBO", but now it's an open > source design up on oshpark and anyone can get one whenever they want. > > Home/self assembly isn't too bad. You don't need anything but the parts and > a plain soldering pencil and some flux and solder. The soic chip was simple > using the "drag technique". It's simple, just search "solder drag technique" > on youtube. The trick is just the extra flux pooled around for surface > tension. > > https://oshpark.com/shared_projects/4dLqXOs0 > > https://goo.gl/photos/Zs8ZnmDco9BwgDDBA > > -- > bkw
