Uploaded February 2022 | Updated September 2026, 2 weeks ago

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I'm building an Arduino based DRAM tester from leftover components I found in my parts bin. As quick and dirty as it gets, but still a useful tool!

The DRAMARDUINO project (schematics and Arduino sketch):
forum.defence-force.org/viewtopic.php?t=1699

Arduino IDE Software:
arduino.cc/en/software

Ready-to-go Arduino shield PCB (PCBWay order link):
pcbway.com/project/shareproject/DRAM_Test_Shield_for_Arduino_Uno_and_Nano.html

Double sided perfboard*:
US: amzn.to/3t6Fq4t
UK: amzn.to/3JPz1S6
DE: amzn.to/3h9WOzY

Elegoo Arduino UNO*:
US: amzn.to/3BLC2jH
UK: amzn.to/3t7Pzhk
DE: amzn.to/3shyz9j

1k Ohm resistors*:
US: amzn.to/3p8D0Bp
UK: amzn.to/34YySND
DE: amzn.to/354eGty

Pin headers*:
US: amzn.to/3pcudOK
UK: amzn.to/3sgeuQy
DE: amzn.to/3LUe22x

Dual color red/green LEDs (common anode)*:
US: amzn.to/3hgfb6a
UK: amzn.to/3IkUBgS
DE: amzn.to/3vdXTil

16-pin ZIF sockets*:
US: amzn.to/3hb5i9W
UK: amzn.to/3sh17Qn
DE: amzn.to/3sfOpBc

TIME STAMPS:
0:00 Introduction
0:26 Ingredients
1:19 About the DRAMARDUINO
4:03 Cutting the perfboard
4:42 Pin Headers
7:45 ZIF Socket
8:34 LED
9:21 Connecting things up
13:53 Finished Mess o' Wires
14:30 Double Checking the Wiring
15:30 Programming the Arduino
16:54 Functional Test
19:39 Refinements
23:02 Thank you & Good night

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Thanks for watching!

* Stuff marked with "*" contains affiliate links. You don't pay anything extra and I get a little commission from everything you buy through the links (even if you buy something different there).

#JanBeta #RAMTester #DRAMARDUINO