Let's Make Robots!
Accelerometer assisted fin actuation to provide straight flight
This model rocket was modified to fit 4 servos, each controlling the position or a fin. An accelerometer in the nose cone gave data to the Arduino in which it … Read more
Provides a 16 port IO device for the chip.
A note on the cost and time estimates. Time = time to draw out the schematic, do the layout and then populate the board. It's also the little things that seem to be … Read more
Preface:  No, this is not a robot.  But either I document this project here or on my turf & soil blog.  This seems like a better choice.  And yes, I use a … Read more
I show you data on your LED so you can save some power on your LEDs.
My program shows you all of the data on your Led from the first light to the normal operation light. From that data you can pick an RS that is good light, but lower … Read more
Observes the sky with a video camera, transmits a ring tone to all walkie-talkies in a range of 2km, beeps to find it again
****Update 2011/8/18**** Video from a successful flight is up. The HD BoosterVision camera is awesome. Telemetry worked perfect. Recovery took me and my father in … Read more
Tests the sorta stuff you would test on robots
Inspired by a post by Geir Andersen, I decided to make a little tester box. Nothing too fancy, and (I'm sure) not properly put together, but enough to be able to so … Read more
The robot controller app is out! Woo Hoo! Finally, a Android-based hobbyist robot controller that works with every microprocessor. There is no corresponding … Read more
***Update 2011/8/19*** First experiment using white wood glue (polyvinyl acetate) as a binder for the propellant hexaphenox. The advantage is that polyvinyl … Read more
How I used an Arduino to display scrolling text on a LED matrix
The build is as simple as it gets. I just used 8 red and 5 blue connectors to connect the arduino pins to the positive and negative pins of the matrix. I didn't … Read more
Provides regulated power and battery backup for low power systems.
The powerboard is part of a gardening project I've been working on that uses low power systems and integrates with a solar panel and battery backup. The intent was … Read more
I didn't really know where to put this..... The associated picture is what happens when you take a 10 minute time lapse shot of a SHR wondering about in the dark. … Read more
For the last couple of years I have had a bird box mounted on the wall outside my room. All the time I have had a USB webcam inside so I (and a lot of other people … Read more
Remote controlled, extremely precise (yeah, right!) 2-axis laser death ray
This started out as a top secret destruction weapon to be placed on the moon with plans of taking the world hostage, in order to make a trillion dollars... … Read more
Catches on fire
From our 'fun with fire' series. Simple.  Rocket motors and a battery placed in the box and wired to the switch.  Make a few for your next party, set them around … Read more
When I first came across some videos on YouTube for Ferrofluid I was amazed of its properties and wanted to build something micro controlled with electro magnets. Read more
Displays the scrolling text LMR
Hush finally did it, @ignoblegnome as per your wish I displayed the text LMR scrolling on the matrix and it took 719 lines of coding so please pardon me I didn't … Read more
Well I originally had a blog post on this project, but now that I have video I feel like it is time for an official post. Read more
I decided to follow in ignoblegnomes footsteps and make me some solar bots! Here are the pictures; A little artsy picture made at night with high iso … Read more
Sound and speech with Arduino
A small audio chip is available on the market at low cost (20 euros) that allows to build an audio player managed with buttons or via serial port, for example with … Read more
Recently DAGU developed some educational cardboard robot kits. To promote these kits we built a child sized version and added some simple IR sensors so that the … Read more