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It is time to build your mruby VM on the microcontroller? Photo by Johannes Plenio from Pexels

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THE ENGINEER OF CREATIVE ૵ ࣌ ݭ໵ @elct9620

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Does build a mruby VM is hard Question

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Yes, but we can do it easier My Answer

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This is my fi rst time trying it, how can I start it? Question

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mruby-L1VM

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A mruby VM running on the Web only ~1000 lines mruby-L1VM

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Everyone can read it without spending a lot of time mruby-L1VM

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How does it work? mruby-L1VM

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Start Program End Program Read Byte Code Execute Exit? No Yes IREP OPCODE

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How to read the IREP from mrb binary? IREP

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example.mrb RITE Header IREP Debug Section

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example.mrb RITE Header IREP Debug Section 34 bytes

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example.mrb RITE Header IREP Debug Section IREP Header

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IREP ISEQ Pools Symbols Sub-IREP OPCODE

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Sample Code

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IREP ISEQ Pools Symbols Sub-IREP Ex. String

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How does the "method" work in mruby? Call Method

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IREP ISEQ Pools Symbols Sub-IREP Method Name

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IREP ISEQ Pools Symbols Sub-IREP Method Body

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Pointer

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Sample Code

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Run your VM on the microcontroller Demo

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Prototype Code Series Article (Chinese)

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I am trying to build my own plant keeper IoT device The Next

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Thanks