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

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Adrians Digital Basement

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/tandy...

Part 1:    • Basement Rant: Did I buy fake chips?  
Part 2:    • Followup to fake or real chips? I th...  
Part 4:    • Viewer mail: Allinone RAM + CF + RS...  

"Tandy 1000 Memory Architecture 101"
   • Boring Lecture Time: Tandy 1000 Memor...  

Tools

Deoxit D5:
http://store.caig.com/s.nl/it.A/id.16...

Jonard Tools EX2 Chip Extractor:
https://www.jonard.com/Products/EX2...

Wiha Chip Lifter:
https://www.wihatools.com/precisionc...

Elenco Electronics LP560 Logic Probe:
https://www.amazon.com/ElencoElectro...

Hakko FR301 Desoldering Iron:
https://www.amazon.com/AmericanHAKKO...

Rigol DS1054Z Four Channel Oscilloscope:
https://www.rigolna.com/products/digi...

Head Worn Magnifying Goggles / Dual Lens FlipIn Head Magnifier:
https://www.amazon.com/SEIlluminated...

TL866II Plus Chip Tester and EPROM programmer: (The MiniPro)
https://www.aliexpress.com/item/33000...

TS100 Soldering Iron:
https://www.ebay.com/itm/TS10065WMI...

EEVBlog 121GW Multimeter:
https://www.eevblog.com/product/121gw/

DSLogic Basic Logic Analyzer:
https://www.ebay.com/itm/USBLogicDS...

Magnetic Screw Holder: (also on eBay and Amazon)
https://www.harborfreight.com/4inch...

Universal ZIP sockets: (clones, used on my ZIF64 test machine)
https://www.ebay.com/itm/14161820...

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/12510PCS...

Heat Sinks:
https://www.aliexpress.com/item/32537...

Little squeezy bottles: (available elsewhere too)
https://www.amazon.com/PrecisionAppl...

Links

My GitHub repository:
https://github.com/misterblack1?tab=r...

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/DivoomTivoor...

C64 Stuff

JaffyDOS:
http://blog.worldofjani.com/?p=3544

C64 Test Harness I use:
   • Building a Commodore 64 Diagnostic Te...  

C64 Homebrew cartridge PCB: (used for the DeadTest / Diag Cart I use)
https://www.ebay.com/itm/Commodore64...

EasyFlash 3 MultiCart:
http://store.go4retro.com/easyflash3/

Instructional videos

My video on damagefree chip removal:
   • How to remove chips without damaging ...  

Music

Intro music by:
Nathan Divino
@itsnathandivino

Outro Music:
Abyss by | e s c p | https://escpmusic.bandcamp.com
Music promoted by https://www.freestockmusic.com
Attribution 4.0 International (CC BY 4.0)
https://creativecommons.org/licenses/...

Image Credits

None

posted by kongavaldbk