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    Core2 Module and extension board stacking?

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    • felmueF
      felmue
      last edited by

      Hi @veryalien
      @veryalien said in Core2 Module and extension board stacking?:

      Why isn't the battery connected to the core via the m5 bus like it was in previous battery bases?

      I was trying to answer your previous question, but since I don't have a M5Stack Core2 yet, I probably have missed something. Sorry about that. And thank you for clarifying that the power seems to be the same as before. That is good to know.

      Cheers
      Felix

      GPIO translation table M5Stack / M5Core2
      Information about various M5Stack products.
      Code examples

      1 Reply Last reply Reply Quote 0
      • SkinkS
        Skink
        last edited by Skink

        @veryalien
        That sounds good, yes, if the rest fits it would be good to have an adapter with extended pins to which the modules could be attached again. Maybe a cover would be enough behind the module and you could use the Core 2 including its built-in battery.

        @felmue I have ordered 2 pieces of the Core 2, should arrive the week after next!

        I am involved in everything that has to do with automation, including the M5Stack's, a few 3D printers, a CNC mill and a lot of other things. The M5Stack's are all really great, I can't imagine a better prototyping.

        1 Reply Last reply Reply Quote 0
        • ajb2k3A
          ajb2k3
          last edited by

          I Have a core 2 and yes the connection is different however its not hard to get an adapter to make it work. all you do is remove the micromodule and base screws, fit a 2X15 header (I hope M5Stake make a cleaner version for this) and modules just connect to that. The battery connects direct to the core2, apart from the micromodule, the base contains no circuitry.

          UIFlow, so easy an adult can learn it!
          If I don't know it, be patient!
          I've ether not learned it or am too drunk to remember it!
          Author of the WIP UIFlow Handbook!
          M5Black, Go, Stick, Core2, and so much more it cant be fit in here!

          V 1 Reply Last reply Reply Quote 0
          • felmueF
            felmue
            last edited by

            Hello @ajb2k3

            care to share a picture?

            Thanks
            Felix

            GPIO translation table M5Stack / M5Core2
            Information about various M5Stack products.
            Code examples

            ajb2k3A 1 Reply Last reply Reply Quote 0
            • V
              veryalien @ajb2k3
              last edited by

              @ajb2k3 M5Stack could have simply supplied a 2x15 bus extender with the core2.
              The problem I see is that the micromodule with the mic and IMU will have to be at the bottom of the stack and it won't fit nicely unless you use the core2 base as the bottom. If you don't use it, you've 'lost' two potentially useful sensors for a core2 project which were previously built-in core or base features.
              I suppose there might be an idea for different interchangeable micromodules (one at a time) to be used with the core2. That would be neater and more compact than stacking modules, but any wired connections to micromodules would probably be more difficult than modules, units, hats and faces.
              I just don't like the fact that older modules can't easily be used with the core2 straight 'out of the box'.

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              • SkinkS
                Skink
                last edited by

                @veryalien
                Yes, I completely agree with you, therefore my suggestion or you would have to pack the units into the adapter so that they do not get lost.

                @felmue
                As soon as I have them I can set a picture !

                I am involved in everything that has to do with automation, including the M5Stack's, a few 3D printers, a CNC mill and a lot of other things. The M5Stack's are all really great, I can't imagine a better prototyping.

                1 Reply Last reply Reply Quote 0
                • ajb2k3A
                  ajb2k3 @felmue
                  last edited by ajb2k3

                  @felmue said in Core2 Module and extension board stacking?:

                  Hello @ajb2k3

                  care to share a picture?

                  Thanks
                  Felix

                  The link is in the Japanese facebook group along with images.

                  UIFlow, so easy an adult can learn it!
                  If I don't know it, be patient!
                  I've ether not learned it or am too drunk to remember it!
                  Author of the WIP UIFlow Handbook!
                  M5Black, Go, Stick, Core2, and so much more it cant be fit in here!

                  1 Reply Last reply Reply Quote 0
                  • felmueF
                    felmue
                    last edited by felmue

                    Hi guys

                    thanks for the feedback. I received my M5Core2 today and yes, with the core2 base older modules cannot be attached/connected. However when I remove the micro module with the IMU and mic and unscrew the core2 base I can attach/connect old modules just fine. Even the battery can remain sandwiched inside although it is no longer secured and rattles around.

                    Cheers
                    Felix

                    GPIO translation table M5Stack / M5Core2
                    Information about various M5Stack products.
                    Code examples

                    V 1 Reply Last reply Reply Quote 0
                    • V
                      veryalien @felmue
                      last edited by veryalien

                      @felmue Interesting, I didn't think about taking the battery out of the core2 base holder and leaving it connected.
                      I've already got a lot of older bases with built-in batteries: Battery bottom, M5Go, Node, Faces I and II. That's why I wanted to disconnect the battery from the core2 core board and instead use the battery power from those bases via the bus.

                      ajb2k3A 1 Reply Last reply Reply Quote 0
                      • ajb2k3A
                        ajb2k3 @veryalien
                        last edited by

                        @veryalien There is no reason not to remove the provided battery if you are using a base with one prefitted. Based on previous post, it would probably be better no to connect the internal battery when using a battery base.

                        UIFlow, so easy an adult can learn it!
                        If I don't know it, be patient!
                        I've ether not learned it or am too drunk to remember it!
                        Author of the WIP UIFlow Handbook!
                        M5Black, Go, Stick, Core2, and so much more it cant be fit in here!

                        V 1 Reply Last reply Reply Quote 0
                        • V
                          veryalien @ajb2k3
                          last edited by

                          @ajb2k3 Obviously!

                          1 Reply Last reply Reply Quote 0
                          • V
                            veryalien
                            last edited by

                            According to a Twitter post from M5Stack they are planning to sell us the same modules as before but in a slightly different form for the core2. Longer bus pins.

                            Core2 modules

                            1 Reply Last reply Reply Quote 0
                            • felmueF
                              felmue
                              last edited by

                              Hi @veryalien

                              Interesting. Thanks for sharing. I wonder though, doesn't that mean these modules with the longer pins won't properly fit the older cores?

                              Felix

                              GPIO translation table M5Stack / M5Core2
                              Information about various M5Stack products.
                              Code examples

                              1 Reply Last reply Reply Quote 0
                              • SkinkS
                                Skink
                                last edited by

                                @m5stack

                                So I think it would be good if m5stack solves it that way.
                                between the Core 2 and the bottom comes an adapter with longer pins. Then I put the old modules and underneath the old module a base into which the micro module with mic and MPU6886 can be plugged.

                                1. so I don't loose the two components of the micro module.
                                2. i can use the old modules as long as they are pin compatible.
                                3. i don't have to rebuild every old module as a new micro module and buy it before everything else !

                                I am involved in everything that has to do with automation, including the M5Stack's, a few 3D printers, a CNC mill and a lot of other things. The M5Stack's are all really great, I can't imagine a better prototyping.

                                m5stackM 1 Reply Last reply Reply Quote 1
                                • m5stackM
                                  m5stack @Skink
                                  last edited by

                                  @skink we will take this into consideration. thank you feedback.

                                  L 1 Reply Last reply Reply Quote 0
                                  • L
                                    Leo05 @m5stack
                                    last edited by

                                    @m5stack Thanks to take it into consideration.
                                    I received my Core2 today. Trying to plug the PLC circuit after removing the bottom seems difficult. On the left side there is a metallic thing (motor?) that push the circuit, and pin headers are really short.

                                    About headers, you sell SMT mount connector in your shop but I think they are 2.5mm long (like the old modules one's)? right? on the micro-module they are 3.5mm (total height 5.84).
                                    For makers like me, if we want to build modules prototype, where can we find compatible trough hole or SMT connectors? I search and found nothing? any ref?

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