Home » Science & Technology » My first PCB! A Tandy 1000 EX/HX RAM expansion board

My first PCB! A Tandy 1000 EX/HX RAM expansion board

Written By Adrian's Digital Basement on Sunday, Nov 03, 2019 | 07:03 PM

 
This is my first PCB design ever work! Will it work? Will the "fake" AliExpress chips work in it? Let's find out together! It's a small board so you can have your own made cheaply. *** Sorry, no more of the v1.0 PCBs are left! *** --- Video Links PCB layout files, Gerbers and DOS utilities: https://github.com/misterblack1/tandy1000ex-hx-ram Part 1: https://youtu.be/yzxwlL7l9uM Part 2: https://youtu.be/2OMMHwY5V5k Part 4: https://youtu.be/yESy0ygVYd4 "Tandy 1000 Memory Architecture 101" https://www.youtube.com/watch?v=q6azFLmJMI0 --- Tools Deoxit D5: http://store.caig.com/s.nl/it.A/id.1602/.f Jonard Tools EX-2 Chip Extractor: https://www.jonard.com/Products/EX-2-DIP-IC-Extractor-24-40-Pins Wiha Chip Lifter: https://www.wihatools.com/precision-chip-lifter Elenco Electronics LP-560 Logic Probe: https://www.amazon.com/Elenco-Electronics-LP-560-Logic-Probe/dp/B000Z9HAP4 Hakko FR301 Desoldering Iron: https://www.amazon.com/American-HAKKO-Products-FR301-03-Desoldering/dp/B07BFVFMS9 Rigol DS1054Z Four Channel Oscilloscope: https://www.rigolna.com/products/digital-oscilloscopes/1000z/ Head Worn Magnifying Goggles / Dual Lens Flip-In Head Magnifier: https://www.amazon.com/SE-Illuminated-Dual-Flip-Magnifier/dp/B003UCODIA TL866II Plus Chip Tester and EPROM programmer: (The MiniPro) https://www.aliexpress.com/item/33000308958.html TS100 Soldering Iron: https://www.ebay.com/itm/TS100-65W-MINI-Digital-OLED-Programmable-Soldering-Iron-Anti-static-Structure/113382669853 EEVBlog 121GW Multimeter: https://www.eevblog.com/product/121gw/ DSLogic Basic Logic Analyzer: https://www.ebay.com/itm/USB-Logic-DSLogic-Basic-Analyzer-16Ch-100MHz-4Ch-400MHz-Xilinx-Spartan-6-FPGA/202543965672 Magnetic Screw Holder: (also on eBay and Amazon) https://www.harborfreight.com/4-inch-magnetic-parts-tray-90566.html Universal ZIP sockets: (clones, used on my ZIF-64 test machine) https://www.ebay.com/itm/14-16-18-20-24-28-32-40-pin-IC-Test-Universal-ZIF-Socket-Fs/303206721971 RetroTink 2X Upconverter: (to hook up something like a C64 to HDMI) http://www.retrotink.com/ Plato (Clone) Side Cutters: (order five) https://www.ebay.com/itm/1-2-5-10PCS-Micro-Scissor-125mm-PLATO-170-Electronics-Cutter-Side-Cutting-Pliers/163458746184 Heat Sinks: https://www.aliexpress.com/item/32537183709.html Little squeezy bottles: (available elsewhere too) https://www.amazon.com/Precision-Applicator-Projects-Quilling-Painting/dp/B0799BZKGZ --- Links My GitHub repository: https://github.com/misterblack1?tab=repositories Commodore Computer Club (of Portland, Oregon and Vancouver, Washington) https://www.commodorecomputerclub.com/ Tivoo Pixel Art Display seen in my videos: https://www.amazon.com/Divoom-Tivoo-red-Tivoo-Bluetooth-Speaker/dp/B07CVGYPTV --- C64 Stuff JaffyDOS: http://blog.worldofjani.com/?p=3544 C64 Test Harness I use: https://youtu.be/szSzA6T4Kdw C64 Homebrew cartridge PCB: (used for the DeadTest / Diag Cart I use) https://www.ebay.com/itm/Commodore-64-C64-C128-NEW-bare-HomeBrew-DEVelopment-cartridge-board-8-32k-2019/162430154398 EasyFlash 3 Multi-Cart: http://store.go4retro.com/easyflash-3/ --- Instructional videos My video on damage-free chip removal: https://www.youtube.com/watch?v=XQVjwPsVFd8 --- Music Intro music by: Nathan Divino @itsnathandivino Outro Music: Abyss by | e s c p | https://escp-music.bandcamp.com Music promoted by https://www.free-stock-music.com Attribution 4.0 International (CC BY 4.0) https://creativecommons.org/licenses/by/4.0/ --- Image Credits None