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Jet-Laser by David Buckley March 2013
  • # Jet Laser with sensors - 2021
  • # Software

  • Jet - 2009
  • Jet academix-robotix picture build and Plan
  • Jet CAD Build
  • 2009 use by academix-robotix.com
  • Jet kits in the classroom
  • Jet videos - dancing ambler.wmv, Movie-8 Jet in the classroom
  • In March 2013 somebody (nameless here) who said they were interested in producing Jets commercially drew up Jet, making some modifications to the legs and head plate, then used the Manchester FabLabs laser cutter to make the parts.

    While laser cutting may be fine for architectural models it leaves precision to be desired when making 1.5 or 3mm holes So there was a lot of slop in the bearings. Perhaps with experimentation the fit would be better.

    We fitted an Arduino and shield and took some photos but then the FabLab moved and later shut and the nameless person went off on another project so the Jets sat on the shelf for a while.

    I was ill from the start of 2017 and couldn't walk and as something to do got down the Jets and fitted the Arduinos on top with the batteries on the feet which left the front free, I saw some 4-way IR obstacle sensors on the web which I thought would just fit on the front and ordered some and then put the Jets back on the shelf.

    Jet Laser with sensors - 2021
    It wasn't until the start of 2020 that I felt well again and during Covid-19 lockdown I modified the Bambino Arduino software to suit Jet, and then in March 2021 finally got around to fitting the 4-way IR obstacle sensors and also fitted an IR line sensor to each foot to detect drop-offs or even black lines. I also added a small PCB with a PicAxe08m2 and IR-receiver to receive commands from a Sony IR-HandController (see Jet08IR.bas).
    Jet PicAxe08m2 IR-board

    2021-04-26 increased the chamfer on the back top corner of the rear legs so the tilt wire misses it at maximum stride.

    The Jet Arduino software is based on the Bambino software which at the time consisted of a suite of 48 (now 49) programs sarting with setting the servos to a mid position, then flashing the LEDS (Jet doesn't have any), slowly building up step by step. So the Jet programs start at JA48_Do.
    The Jets were fitted with a PicAxe08m2 (Jet08IR.bas) which can receive IR commands from a Sony handset so SoftSerial was added to receive the translated IR commands.


    Jet now fitted with 4way IR obstacle sensors, one on each foot and two on the body
    plus an IR line/drop-off sensor on each foot.
        'bwf' - set stepping direction forwards  in L and R, used in Reactions 
        'bwb' - set stepping direction backwards in L and R, used in Reactions

  • `BambinoArduino_Manual50.txt
  • `Jet_IRcommands.txt
  •         Jet08IR.bas
    User files
  • `ActsLoad.txt
  • `ReActsLoad.txt
  • Acts.txt
  • Behaves.txt
    Sketch - documentation
  • `Vars48.txt
  • Doc_JAcmnds50.h
  • Doc_JA50.h
  • Doc_JASections50.h
  • JA50_IRsense.ino
  • JAhelp50.ino
  • JAbehaviour50.ino
  • JAmovement49.ino
  • JApins48.h
  • JAsense50.ino
  • JAservos49.ino
  • JAvarsCons49.h
  • acts40.ino
  • adjustServos45.ino
  • mind49.ino
  • skills41.ino


      m - start of a mind
      } - end of a Mind
          m will give an ability for the robot to randomly change its mind
          depending on a probability level 1 - 9 where e.g. 7 will give 70% certainty
          of the commands in the mind being executed and 30% probability of them being skippped
          and execution continuing after the }.
          use - m4FFFVRRR}BBB.
          if a generated random number (1 - 9) is less than 4 then FFFVRRR will be skipped
      Help was getting long so it has been split into three parts - printHelpActs, printHelpBehaviour, printHelpSystem
      added constants rollbyScale, pacebyScale, turnbyScale used in BA49_Mind - bp,br,bt,printbehaviour, printbehaviours, Help39,varsCons 
      previously was 2 embeded (Jet needs 4)


      ( - start of a Do, a jump to an Act will on . continue in the Do
          will show its location in EEPROM when played.
          If a jump is made to an Act which contains another Do then that Do 
          will not be implemented.
      ) - end of a Do
          will show its location in EEPROM when played  
      Q or [Esc] to Quit all, needed to quit from Do    
      b0 - reload current behaviour to RAM BeHaves

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