premelec's latest activity

  • premelec
    This is pretty much a personal thing... so many ways to go... for the life of the publication I read HomePower magazine to see all the...
  • premelec
    premelec replied to the thread 08M2 PV MPPT Charge Controller.
    @ Ibenson - glad that photosynthesis is still working to feed you &/or give you pleasure... I note that Canada has active solar PV...
  • premelec
    premelec replied to the thread Controlling micro stepper motor.
    @ Gramps There are some good youtube tutorials on stepper motor workings - take a look.
  • premelec
    premelec replied to the thread 08M2 PV MPPT Charge Controller.
    @Solar Mike - thanks for bringing this up again! I admire your work on this while also noting that with many installations you can get...
  • premelec
    READADC is ratiometric so the V- & V+ that go to the pot should be identical to V- & V+ pins on PICAXE - then perhaps if there is noise...
  • premelec
    TM1637 is pretty cheap and easy to use - I posted some example code in misc snips I think ...
  • premelec
    see command use: https://picaxe.com/basic-commands/serial-rs232-interfacing/sertxd/
  • premelec
    premelec reacted to AllyCat's post in the thread LOOKING FOR SWITCH with Like Like.
    Hi, Are yes, quite a few sellers in China if you can be patient. But there do appear to be some in USA if you're in a hurry. Of...
  • premelec
    premelec replied to the thread Extended time delay.
    What sort of accuracy do you need? There are a variety of ways to do it if not _very_ accurate...
  • premelec
    premelec replied to the thread LOOKING FOR SWITCH.
    FWIW sometimes a blob of epoxy putty or hot melt glue can be a solution. In general it is not sure fire practice to mount a part by it's...
  • premelec
    premelec replied to the thread Help to novice....
    You need to get some symbols or REM statements for where motor is connected and limit switches. You can probably sense end stops by...
  • premelec
    premelec replied to the thread If statements.
    "The endif command is used to terminate a multiple line if command. The command can either be specified as a single word, 'endif' or as...
  • premelec
    premelec replied to the thread Picaxe 6 editor and 20m picaxe.
    20M seems to be recognized in editor 5.5.6 that I have [doesn't choke on syntax at least...] - so try the old editor...
  • premelec
    premelec replied to the thread Symbols & Variables.
    I don't know any reason that the compiled code would be longer with symbols... I still use both letters and symbols and don't use long...
  • premelec
    premelec reacted to Buzby's post in the thread I2C pullup resistor values with Like Like.
    There is another option for dramatically improving performance of big I2C networks, its called Active Pullups. A chip sits on the I2C...
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