Older blog entries for Mubot (starting at number 28)

Meggy jr
















 Ahhh... the MEGGY JR !
an arduino based "you program it" handheld game system from
Evil Mad Scientist Laboratories

i gotta say, i really REALLY love this thing! ....

i got mine as a kit, it was really fun and easy to build, GREAT instructions and awesome customer support. (had a broken part, replaced with out issue)

while taking a break from working on Traumalo 2.0, i decided to bust out the meggy and start messin' with it again ... i had a cool idea for a shooter / race game but no sooner did i get the unit hooked up, i found myself playing a game i had worked on back when i 1st got the meggy.

this was a lot more like a buncha test code than an actual game, but it was still interesting and kinda fun to play...and wouldnt ya know it... i actually got some cool ideas on how to make it into a REAL game....SOOoooooo... i put the new game on hold (lotta learning involved to get it working anyway..lol).

the game was originally called "frantic" ... i think i might change it to "swarm"...anyway, game play goes like this:
there is a crazy dot that blinks around the screen randomly,  and there is a lovely gold trinket that is randomly placed on the screen, your goal is to move your dot to the gold trinket without getting attacked by the evil red dot...mind you the dot does not recognize or acknowledge your position, it jsut randomly flits about.

when you reach the gold trinket, you are rewarded with points, the gold dot moves to a new location, and the evil red dot speeds up.

after reaching the gold 3 times, another evil red dot is added .... 3 more times and ANOTHER red dot is added...etc..etc...

over all it's a pretty simple game, but it does have an addiction factor to it ....
and isnt that all ya really want in a game anyway!?!

Syndicated 2010-08-30 02:17:00 (Updated 2010-08-30 02:17:39) from The Learned Nerd

Traumalo 2.0 update

Things are running fairly smoothly with Traumalo 2.0..

the latest batch of accomplishments are:

  • Encoder functionality
  • New serial LCD display
  • Visual Menu system
  • Save and recall multiple user settings 
All of the above have been tested and are in working order!

Next "to do" items on the list are:
  • test / program the rotary switch (mem recall) 
  • wire up the multiplexer (MUX) to all the pots
  • combine all of the working pieces of code into a single program (sketch)
  • wire up the sensor box
  • layout & wire up all the hardware together onto the Prototino board
  • final testing
  • silkscreen front panel of enclosure
  • final assembly
videos of the process have been lacking mainly due to the inability to record the lcd screen properly!
i will have some vids of the silkscreen process and the assembly of the unit... as well as any testing involving audio that i may do....

so, stay tuned....
and in the meantime.... go make some stuff of your own!!!

Syndicated 2010-08-16 18:38:00 (Updated 2010-08-16 18:38:50) from The Learned Nerd

Traumalo 2.0

























Taking on a digital version of the Traumalo has been proving to be both rewarding and stressful!
I was surprised to see how quickly i was able to use up all the I/O i had available as well as how fast i was able to push my previous knowledge AND the micro-controller to their limits!

1st stumbling block was MULTI-THREADING!...or should i say "lack there of!".....
im used to be being able to just spit out a buncha code commands at once and have them all fire simultaneously .... well, seems ya can't do that in "C", so the hunt was on for a solution...

came across a handy piece of code on the ARDUINO forum, that with a little bit of tweaking worked out perfectly... now my commands seem to happen at the same time, instead of sequentially!

Next hurdle was ANALOG INPUTs ... i ran outta them! ... so i had to learn about multiplexers and although they aren't all the difficult in theory, we'll see how easy it is to implement once it arrives in the mail.

so far i have 2 of the 3 mutators up and running and im currently working on the "save" and "recall" functionality ...

stay tuned for more updates!

Syndicated 2010-07-15 21:11:00 (Updated 2010-07-15 21:24:51) from The Learned Nerd

Synth DIY

working on my MFOS SoundLab Mini synth...
here's a look at the case in progress:




Syndicated 2010-07-12 04:30:00 (Updated 2010-07-12 04:39:01) from The Learned Nerd

Our Hackerspace

TLN′s objective is to provide a shared space for collaborative technical and artistic experimentation in the North Lauderdale Area. We are a non-profit organization following the Hackerspace/Makerspace model thats currently popping up in cities all over the world. Our goal is to create an open workspace where engineers, artists and educators can meet and collaborate. C'mon... let's make some stuff!

Syndicated 2010-06-30 18:08:00 (Updated 2010-06-30 18:20:39) from The Learned Nerd

KORG Monotron

i will be the 1st to admit that i was not at all excited by the announcement of the Monotron ..for some reason it just didnt appeal to me, maybe because i have an MS-10 or maybe cuz it seemed like it was going to be kinda useless and shitty sounding.

well, after watching some demo vids and stuff like that, i was a bit more open to the idea, but still not sold.

now that i have found out about a price drop and it being engineered in mind to be customized and circuit bent, i have finally had a change of heart!

not to mention i finally got a good audio clip of how awesome the filter sounds!!!!

check it out for yourself....enjoy!


and yes, i'll be posting a demo of mine when i get it ;)

Syndicated 2010-06-04 19:13:00 (Updated 2010-06-04 19:26:18) from The Learned Nerd

Annnnd .... im back

My lack of posting was not due to laziness, or even too busyness .... i was simply outta town, on tour with my band actually, and after only 2 days out, my internet card dies on the lap top! HOORAY!

Tour was great, but im looking forward to getting back into things here at home, getting ready for the upcoming METROCON robot fights, and spending some time in the lab finishing up some projects.

As usual, i'll keep ya posted....

-Mubo

Syndicated 2010-05-02 05:12:00 (Updated 2010-05-02 05:23:26) from The Learned Nerd

Bluetooth is go!

I've been tinkering around in the lab with the parallax EASYBT bluetooth module... got it up and running with both the BOE BOT/BS2 and the Arduino.

here is what i used...and a look at my connections

char val; // variable to receive data from the serial port
int ledpin = 13; // on-board LED
void setup() {

pinMode(ledpin, OUTPUT); // pin 13 (on-board LED) as OUTPUT
Serial.begin(9600); // start serial communication at 9600bps

}
void loop() {

if( Serial.available() ) // if data is available to read
{
val = Serial.read(); // read it and store it in 'val'
}
if( val == 'L' ) // if 'L' was received
{
digitalWrite(ledpin, LOW); // turn OFF the LED
} else {
digitalWrite(ledpin, HIGH); // otherwise turn it ON
}
delay(100); // wait 100ms for next reading


i was unable to figure out how to set the com port on the arduino ide serial terminal, so i used and external terminal program (tera term) and it worked with ease!

Syndicated 2010-03-25 18:16:00 (Updated 2010-04-01 01:31:50) from The Learned Nerd

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