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To open the VGA adapter, place your flat screwdriver of knife into the rim around the VGA port and leaver the outer case backwards. You're going to need to strip the plastic casings off the VGA head and your USB hub, to git them as small as possible. Preparing your HDMI to VGA adapter and USB hub Note: If you want a top model Pi (2B) in a ZX82, you'll need to remove the Ethernet and double-height USB ports, then solder single-height USB ports back on. To enable the VGA output, on the boot partition of the OS's card, open the config.txt file and find: # uncomment to force a specific HDMI mode (this will force VGA)Ĭhange this to read: # uncomment to force a specific HDMI mode (this will force VGA) You'll need to ensure your Wifi dongle works and that your Pi is configured to allow the HDMI to VGA converter. Now that you have your Pi, this is a good time to ensure it has your OS of choice installed and that you have run through all the initial setup stuff. I recommended the model A+ for the ZX82 or the Pi 2 model B for the Speccy+ because you don't have to do any desoldering to fit your Pi into the speccy. You should now have an empty case with keyboard (5th photo) and two connectors.
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If you are comfy removing the connectors, they're very easy to spot on the underside the connectors are the only horizontal runs of pins (see 3rd and 4th photos). Just order one 5-pin and one 8-pin connector. If you're uncomfortable with desoldering, again eBay has you covered. The last bit of prep for your Speccy is to remove the motherboard (there are only one or two screws) and then to desolder the ribbon connectors. I recommend using masking tape to gently hold the ribbons to the lid (2nd photo above). Pull the ribbons firmly upwards using both hands for each. That way the membrane ribbons are nice and loose (see the 1st photo above).
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Slowly lift the Speccy lid, keeping the top (port edge) down and slightly towards you. Then, holding the two halves together, turn the Speccy upright again in the orientation you would type with. Remove the screws from the underside of the Speccy. Fear not if you do break it, you can find brand new replacement membranes and connectors on eBay. Be careful here you need your keyboard membrane working and it will probably be old and brittle. The first thing you need to do is take apart your speccy.
#Speccy by pinfor how to
In this Instructable, I'll show you how to breathe new life into a ZX Spectrum using a Raspberry Pi.