Let's Make Robots!

Camera that can do everything - call for suggestions

I need your suggestions and recommendations.

What if I were to buy a fancy camera for a robot? I want it to be able to do pretty much everything. And still fit on my robot.

Let's see first what "everything" means. This list can grow as you make suggestions in the comments.

Gives text output from your project
** walk through in progress ** IntroductionThese monochrome serial LCD text displays are apparently very popular and easy to use. But the official manual (pdf) … Read more
Create wireless serial connection
Using a
Wireless controlThis walk through describes a cheap way to create a wireless controller for a robot. It is not a ready-to-go manual, but a proof of concept. It's … Read more

ISP or Serial programming an Arduino

I am the proud owner of an uBotino board by Robot-x. I do not own a USB-to-Arduino cable (FTDI with auto-reset). However, I do own computers with good old fashioned serial ports.

So I think I'm gonna build a serial programming circuit. Would the classic "Picaxe" level-correcting schematic work in this case?

That's:
* a voltage divider to shift down the signal from my PC from ca 11V to 5V;
* a series resistor in both data lines to limit current;

Eats wind, waltzes outdoors
If you need to know more than is in this video,  you will probably be interested in everything tagged "theo jansen". Just click it. Yo know you want to! This … Read more

Maintenance: components and unread posts

You know our Components section right? Most of the components in that database are automatically imported from a few vendors who are friendly enough to allow us access to their databases. Each time a new component is added to a vendor's catalog, our server imports it into ours. Changes in details like description and price are also automatically updated.

Animaris Ordis Parvus

So here's the whole story (so far).

In Japan people are crazy about Theo Jansen's art. To find out more about Jansen's creation, start here or browse the LMR pages tagged "theo jansen". Several exhibitions of his art have been organized in East Asia before, including Japan. Jansen even holds a special Japanese website or two.

Big in Japan?

Google and Youtube keep haunting me for my dead projects. Today I was found by an editor for Gakken's magazine "Otona no Kagaku" (Grownup's Science). The magazine's upcoming January issue will have a Theo Jansen theme. Jansen apparantly is very big in Japan. The magazine includes a miniature, wind powered model of a strandbeest.

RF link TX/RX 434 MHz = lessons learned and then some

I'm trying to build some sort of RC transmitter using the 434 MHz radio link set. Sometimes called Easy Radio, but not by SparkFun. Edit: because they're not the same thing!

I am setting this up on a breadboard with a Picaxe 08M and two potmeters as inputs. The two ADC bytes are combined into one byte. The one byte gets transmitted.