Let's Make Robots!

BoB the Biped and me with v0.91 board design

I got my pile of BoB parts from isotope yesterday and I was stoked to say the least. He even printed out a JAX name badge for me \o/ Thanks man! My BoB is glow-in-the-dark blue ABS and it luminesces as advertised. Blue Glowy BoB... mmm.

Initial test fits showed that there was going to be some grinding work in my future to make things work. One change I made to the original build list was using an HC-SR04 for the sensor. The sensor holes in the head were too close together so I removed some material on the outer edges to make it fit. It's real nice now.

BoB the Biped and Me: Edge detection vid and fun assembly vid (updated)

After spending a good deal of time working on a couple of BoB's subassemblies I've been given some time to think more about how to use those extra headers on the circuit board. I really want bump detection, edge detection, and a speaker but I know only one or two of those are going to fit inside the chassis. After letting BoB wander around on the floor at length I realized how prone he is to toppling over. That plus the fact he will be spending time on a bar, where sinks full of water lurk below, I decided to work on the edge detection.

Another Pro Mini breakout board.

When Bajdi wrote his blog, http://letsmakerobots.com/node/40026 , about his undershield for the Arduino Pro Mini clones I was very interested and excited. This was because over the last few months I have purchased a few (20) of these Pro Mini clones myself. I was elated to see that there might be an easy interface board for my future projects.

Slave Propeller Robot Control Code (Eddie Firmware)

The embedded video isn't showing up. Here's a link to the latest test of the h-bridge version of the Eddie firmware.

As I've mentioned in several posts, I've been working on modifying Parallax's Eddie firmware.

'Making of' FOBOT Video

I've been quite busy & I know it's coming in a bit late, but for interests sake here is some of the background footage behind my OddBot Video Challange entry.



This project is based on my picaxe version of the mini ir beacon.

Some ideas to expand on this are:

Addition of phototransistors to sense an ir signal and aim the com portion of the beacon towards the target. This could be effective for transmitting location data or possibly map dataThe beacon could possibly have a link to a base station to report on bots in the vacinity.

Addition of a distance sensor for inital maping of local. This may be ommited as it adds extra detail that may not be useful.

Wii - Motion Plus (Nintendos Latest Roll-Pitch-Yaw Gyro sensor ) meets the Arduino

Nintendos amazing add-on wins again..........

Thought i would blog this to get the LMR2 "Think Tank" activated,

......... so come on ..... any brilliant ideas what can be done with it ?.

Nintendo in a bid to improve thier Wii gaming unit brought out a small unit that attaches to the bottom of the Wii remote controller (bluetooth)

The Result is a Roll-Pitch-Yaw Gyro sensor (-: at a very competative price :-) which can be Hacked to read the raw gyro information via the i2C bus.

LMR's second year in pictures

What do you know? Memory Lane can be 4000 pixels long. Take a trip and share your memories with the rest of us as they shoot through your brain's déjà vu lobe. Any juicy anecdotes? Horror stories?

Do you recognise these fragments? Can you even tell how many there are? I dare you all to search a few node numbers. Heaven knows I tried and failed (for about 5% of them).

FIRST Ny regional

So i've been a little inactive lately, due in part to my involvement in my schools robotics team, but i'd thought i post a few pictures from our competition over the weekend at the javits center. Not exactly the greatest pictures but the competition was really cool.


Sorry it's taken me so long to update.

A little more on the robots:

Solar Trike

Much thanks to D&G Green Products for their support http://www.dggreenproducts.com/



Building a multi servo robot

The parts arrived in the mail! Here they are:

Servo Controller: A thought experiment

First up, this is at best a work in progress, at worst only ramblings.

I have seen members asking about driving more than a handful of servos and getting the response that they can either use an arduino and its assorted libraries to drive 12+ servos, correction, up to 20 servos or get a dedicated controller board that seems to cost in the area of 50USD. I spent an hour or so knocking up an idea. I want to lay out my thoughts and see where it could or should go.