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4164/41256 DRAM (memory) chips tester for C64 and more

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  • #31
    Originally posted by mrr19121970 View Post
    Still interested. Payment coming
    Payment received! Will ship it today.

    EDIT: package shipped!
    Last edited by anemo; 3 May 2019, 05:31.
    A1200 | WB3.1 | 4Gb CF | ACA1233n/40+FPU | PCMCIA wifi card + C64 (-82 Breadbin) | C1541 | Pi1541

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    • #32
      Originally posted by anemo View Post
      New batch and upgraded version (v1.2) now available!

      New version has Arduino Nano output pins overcurrent protection (if DRAM chip is short circuited).

      Slight price increase due to higher component cost and longer time to assemble.

      Was €25.5 (v1.0), now €27.5 incl. shipping.

      First 5 available boards are reserved for the following guys (in this order) who previously has stated interest in this thread:
      * mrr19121970
      * botialoach
      * SaviorX
      * DonChaos
      * Knecht

      PM sent to each member!
      Cool, great improvement. How have you implemented the current protection? Series resistors on each pin or have you done something fancy?
      Do you have pictures of the new device?

      Bryce.

      Comment


      • #33
        Originally posted by Bryce View Post
        Originally posted by anemo View Post
        New batch and upgraded version (v1.2) now available!

        New version has Arduino Nano output pins overcurrent protection (if DRAM chip is short circuited).

        Slight price increase due to higher component cost and longer time to assemble.

        Was €25.5 (v1.0), now €27.5 incl. shipping.

        First 5 available boards are reserved for the following guys (in this order) who previously has stated interest in this thread:
        * mrr19121970
        * botialoach
        * SaviorX
        * DonChaos
        * Knecht

        PM sent to each member!
        Cool, great improvement. How have you implemented the current protection? Series resistors on each pin or have you done something fancy?
        Do you have pictures of the new device?

        Bryce.
        Hi,

        Yes, series resistors (three resistor networks, one hidden under the Nano) for limiting the current to <30mA per pin. Thanks for the heads up, BTW!

        Check out the first post for updated picture.
        A1200 | WB3.1 | 4Gb CF | ACA1233n/40+FPU | PCMCIA wifi card + C64 (-82 Breadbin) | C1541 | Pi1541

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        • #34
          No problem and top marks for making the revision (it will save you a lot of hassle too if people started sending them back broken).

          Bryce.

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          • #35
            Payment done! PM answered. Thx

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            • #36
              Originally posted by Knecht View Post
              Payment done! PM answered. Thx
              Payment received. Will ship this weekend.
              A1200 | WB3.1 | 4Gb CF | ACA1233n/40+FPU | PCMCIA wifi card + C64 (-82 Breadbin) | C1541 | Pi1541

              Comment


              • #37
                Will make payment tonight, still interested.

                Comment


                • #38
                  Originally posted by botialoach View Post
                  Will make payment tonight, still interested.
                  Payment has just been made, Thank you

                  Comment


                  • #39
                    Originally posted by botialoach View Post
                    Originally posted by botialoach View Post
                    Will make payment tonight, still interested.
                    Payment has just been made, Thank you
                    Payment received. I will ship this weekend.
                    A1200 | WB3.1 | 4Gb CF | ACA1233n/40+FPU | PCMCIA wifi card + C64 (-82 Breadbin) | C1541 | Pi1541

                    Comment


                    • #40
                      payment has been sent, pm replied to with info

                      thank you.
                      VIC20-C64(2)-C64C-C128-C128D(CR)-1541(10)-1571(3)-1581(2)-SDuIEC-1750-Super1750Clone-TI99/4A-Amiga2000(030/33mhz/12mb)-A500(1mb) - A1000(2mb)-AppleIIe(4)-AppleIIgs(3)-Atari2600jr-Atari2600(woody)-ColecoGemini-Atari2600(Vader)-SearsVideoArcadeII-Atari7800-Intellivision-Colecovision(2)- ADAM-Odyssey2-NES-SNES(2)-GB-GBA-GBA(SP)-N64(3)-GC(3)-SMS-GG- Genesis(4)-SegaCD-Nomad-Saturn-Dreamcast-TG16(2)-TurboExpress-NEOGEO PocketColor-3DO-PS1-PS2-Atari800XL-Atari520STm-Atari600XL-CoCo3-Vectrex

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                      • #41
                        Originally posted by SaviorX View Post
                        payment has been sent, pm replied to with info

                        thank you.
                        Payment received. Will ship monday morning.
                        A1200 | WB3.1 | 4Gb CF | ACA1233n/40+FPU | PCMCIA wifi card + C64 (-82 Breadbin) | C1541 | Pi1541

                        Comment


                        • #42
                          Packages shipped to:

                          mrr19121970
                          Knecht
                          botialoach
                          SaviorX
                          A1200 | WB3.1 | 4Gb CF | ACA1233n/40+FPU | PCMCIA wifi card + C64 (-82 Breadbin) | C1541 | Pi1541

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                          • #43
                            interested in one

                            Comment


                            • #44
                              Originally posted by ecaredit View Post
                              interested in one
                              PM with payment details sent

                              EDIT: Payment received. I will ship tomorrow.

                              EDIT 2: Package shipped!
                              Last edited by anemo; 7 May 2019, 06:02.
                              A1200 | WB3.1 | 4Gb CF | ACA1233n/40+FPU | PCMCIA wifi card + C64 (-82 Breadbin) | C1541 | Pi1541

                              Comment


                              • #45
                                Package received. Thank you!

                                Comment

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