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Arduino DRAM Tester

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Let's use an Arduino to test some of the most common DRAM chips we encounter in retro computers. We'll start with a home-made contraption and then try a commercial solution.

Support Noel's Retro Lab on Patreon: https://www.patreon.com/NoelsRetroLab

Chapters:
00:00 Intro
00:48 How does 4164 DRAM work
01:29 Testing DRAM with an Arduino
02:40 Home-made tester
06:07 DRAM tester build
09:38 Trying out the tester
16:39 Drawbacks
20:24 Conclusions

Links:
Arduino DRAM Tester sample code https://github.com/llopis/dram-tester
DRAM Tester Kit https://pcbgeeks.com/

Music tracks:
Funky Stars by McKlain https://mcklain.bandcamp.com/track/funky-stars-amstrad-cpc-true-8bit-version
Battro OST by McKlain https://mcklain.bandcamp.com/track/battro-ost
More awesome music by McKlain: https://www.mcklain.com

You can also support Noel's Retro Lab on YouTube by joining this channel:
https://www.youtube.com/channel/UC2-SP1bYi3ueKlVU7I75wFw/join

Connect with Noel's Retro Lab:
Discord ➤ https://discord.gg/ETcCh6J
Facebook ➤ https://www.facebook.com/NoelsRetroLab
Twitter ➤ https://twitter.com/NoelsRetroLab
Instagram ➤ https://www.instagram.com/NoelsRetroLab
Mailing list ➤ https://noelsretrolab.com

#arduino #ram
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