Assembling the CISD (Colin’s Integrated Serial Device)

The CISD is a custom-made serial switchbox that allows me to do everything I want to do with my Apple II’s serial ports, without having to plug and unplug cables all the time. I have written about it in Upgrading my Apple II serial setup. Here are its assembly instructions. If possible, work on a cardboard or something a bit rigid; it will help later to keep the screws in place when you turn the CISD over to screw it shut. Insert the three M2.5 screws where the Pi will sit, Put the Pi in place, Connect the USB extender and position the spacers. Use the 11mm spacers if you have installed small heatsinks, or the 3mm ones if you use the Geekworm P165-A heatsink. At this point, if you want to use your Pi with Ethernet instead of Wifi, connect a network cable and pass it through the CISD hat. Otherwise, make sure to configure Wifi before encasing the Pi! Preparing the Ethernet cable routing You can now assemble the Pi and the CISD hat. The hat positioned over the Pi The hat is now…