All Blog Posts (112)

Servo assignments

Can you help me with the assignment of servos to specific connectors on an FSLBOT?

That is:

Left Ankle = connector?

Left Hip = connector?


I have tried to sort it out by looking at the comments and code in the *.see programs.

Looking at the comments in fslbot_accel_graphic_walking.see, I find:

//for( servoa = 128 )

// J37=leftankle, J35=lefthip, J31=rightankle, J33=righthip

// J31, 33, 35, 37

// servos( servob, servod,…


Added by Warren Buckles on August 2, 2011 at 6:00pm — 3 Comments


as I was installing all the AVR tools on my Linux box I kept reading about this great AVR Windows tool from Atmel called AVRStudio5.  What really intrigued me was that it supposedly came with a simulator.  Since the ISP programmer I had does not support JTAG, there is no way for me to debug my code in hardware ( I would need a AVR Dragon for that ) so a software simulator is a necessity.  So, I turned on the last remaining Windows computer in the house and installed…


Added by eric gregori on August 1, 2011 at 11:38pm — No Comments

How to control a RC servo

Analog RC servos are controlled by a PWM active high signal with a pulse width ranging from 0.5ms to 2.5ms.  The period ( time between start of pulses ) should be around 20ms.  As you go lower then 20ms, the servo can start to ring, and consume more power.  As you go greater then 20ms the servo gets "floppy"…


Added by eric gregori on August 1, 2011 at 1:07pm — No Comments

I started building my Robophilo today

I got a Robophilo humanoid robot for Xmas last year.  The box has been sitting under my desk taunting me for the last 7 months. Today I finally decided it was time to take on the challenge os assembling…


Added by eric gregori on July 31, 2011 at 1:39am — 3 Comments

On Intelligence

I have read the book, "On Intelligence" by Jeff Hawkins many times. It is by far the best book I have ever read on how the mind works. The authors theories on how the mind works make sense.  The theories…


Added by eric gregori on July 29, 2011 at 10:55pm — No Comments

Automated labyrinth Maze solver

I am writing this blog post because I wanted to ask an open question that could be discussed in detail. I am open to suggestions and criticism. I have posted this on several forums and took valuable suggestions in building the system. I am stuck at a stage where I am totally clueless in solving the problem.


I used the following video as my inspiration:…


Added by Sai Yamanoor on July 28, 2011 at 1:21pm — 3 Comments

Heather Knight Rocks!!!

I had the absolute pleasure of spending a few hours last month at FTF with Heather Knight.  I was too chicken to talk to her, but I did listen in on her telepresence interview with the robot VAO.


To learn more about Heather…


Added by eric gregori on July 27, 2011 at 3:55pm — 1 Comment

My Motorola Atrix just got updated to Android 2.3.4 (Gingerbread)

Why is Android 2.3.4 (Gingerbread) important to robotics?


Android 2.3.4 (Gingerbread) introduced a API for interfacing hardware to Android phones via USB.

Open Accessory support allows external USB hardware (an Android USB accessory) to interact with an Android-powered device in a special "accessory"…


Added by eric gregori on July 25, 2011 at 2:53pm — 2 Comments

Call for Entries! Announcing the 1st Annual ROBIE Awards

ROBIE Awards

Recognizing Excellence in Robotics


Entry Details

Entry Benefits

Enter NOW


Robotics Trends, the leading information authority in…


Added by Robotics Trends on July 25, 2011 at 2:29pm — No Comments

RobotSee Performance on Various Computers

I use PassMark ( to compare processors.

I also run the performance test in robotSee to compare machines.


the following is data from computers I have ran the tests on:

Computer/Processor                 PassMark                        RobotSee

I7-920 @ 2.8Ghz (xp64)              5564                                …


Added by eric gregori on July 20, 2011 at 8:00pm — 1 Comment

I just got my July/August addition of Robot Magazine


Robot magazine has a great article about FSLBOT and the TWR-MECH board in the LERN section (page…


Added by eric gregori on May 10, 2011 at 1:53pm — No Comments

Testing the FSLBOT / TWR-MECH driver install

There was an issue installing the FSLBOT / TWR-MECH board driver on 64bit machines.


I created a new inf file and uploaded it to the FSLBOT group.


I have tested the new inf file with:


Windows XP 32bit



Added by eric gregori on May 8, 2011 at 8:00pm — 3 Comments

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