Dexter Industries are currently developing a great new sensor, a proper 6 Degree of Freedom (DOF) Inertial Measurement Unit (IMU) for the NXT. It consists of two sensors on a single board; a 3-D gyroscope and a 3-D accelerometer. Both sensors can measure their respective values on the X, Y [...]
After the initial post about my thermal imaging system using the Dexter Industries Thermal Infrared Sensor, I made some improvements with both the speed and accuracy of the whole thing. I made the sensor sampling interval time based, rather than encoder value based. This proved to be a lot better [...]
Having spent most of yesterday hacking and optimizing the firmware for the new Dexter Industries Thermal IR Sensor, I thought I would go ahead and make something fun with it today. I built a pan and tilt rig for the sensor with a great deal of gearing down to allow [...]
Hey baby, you’re on fire! No really, you are, I can tell with my new Thermal Infrared Sensor from Dexter Industries. This sensor came in the mail today, it’s Dexter Industries’ latest sensor, the Thermal Infrared Sensor. I haven’t had a chance to play with it yet but I have [...]
The NXT webserver has been up for a few days now and it’s really cool to see so many people logging into it to make the motor move. When I created it, I had no idea that it was going to be used as much as it has been. I’ve [...]
I am currently streaming a live feed of my NXT on UStream. You can easily control the motor on my NXT using URLs like: http://xammy.demon.nl:81/MOTA=0 – stop the motor http://xammy.demon.nl:81/MOTA=100 – run the motor at 100% clockwise http://xammy.demon.nl:81/MOTA=-50 – run the motor at 50% counter-clockwise. The power to the motor [...]
Among the things sent to me by Dexter Industries was also the latest incarnation of the dGPS, a GPS sensor for the NXT. This latest one is equipped almost exclusively with surface mounted components, making it a lot less likely to knock off one of the capacitors and giving the [...]
The mailman brought some shiny new toys this morning, one of which included the all-new Dexter Industries WiFi sensor. I don’t have all the technical details for this one yet, but like the NXTBee, it uses the NXT’s RS485 port for high-speed communications. It has a clip to hold a [...]
The Pneuma-Snatcher is a very ugly robot based on the very nice looking Snatcher, designed by Laurens Valk. I used the two valve kits that Mindsensors sent to me a week or so ago. They work very well for controlling the pneumatic valves. If you hook them up to the [...]
Dexter Industries have released their latest creation, the NXTBee, into the wild. I’ve had the pleasure of being able to play with two of these for a little while now and they’re awesome. I am currently working on a robust master/slave protocol but the NXTBee is capable of much more. [...]
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