Modify servo for continuous rotation
I struggled a lot modifying the tiny servo’s for continuous rotation. I tried several methods. The first one, replacing the pot meter with resistors did work for some time on a first...
Author: Hans2183
Android cellbot TRRStan received and built
You can order this kit from http://www.cellbots.com/. It’s a very basic kit and therefor very affordable. It contains all elements (except for the android phone that is :)) to built a robot...
Teach Yourself Programming in Ten Years
Check this link: Teach Yourself Programming in Ten Years by Peter Norvig and find out why experience is so important! I’m halfway there :D.
ear deployment on glassfish 3 (vs glassfish 2)
I recently had some trouble deploying an ear file to the new glassfish v3. It works on glassfish v2. After some investigation I found that the way the ejb’s were located in...
Cheap(er) Dell look alike keyboard from Trust
I always liked the Dell keyboards as pictured below. But they are a way too expensive (if you can even find one brand new). This keyboard from dell comes close but is...
Tethering on Macbook Pro with HTC Hero Android Device
Yes you can go for a paid app like PDANet to install on your android device and to link with a client on your mac. Why not use a free opensource alternative?...
Exclude transitive dependencies with Maven2
In some cases you might need to solve transitive dependencies by excluding them this way: org.hibernate hibernate-entitymanager 3.4.0.GA javax.transaction jta
Wheels for my android bot
I’ve got some wheels for the Android Robot I’m working on. Had to find some wheels directly driven from modified servo’s. Lego Technic to the rescue: Van Drop Box These come off...
Simple and cheap Android powered robot
Android powered Robot Concept I’m working on a cheap android powered robot. The intention is to keep it stupid and simple. If I can get my Android phone to drive all directions...
Android Button with both text and an Image
So ImageButton lets you create a button with an Image. And Button has text… How to combine them? On a regular Button you can add an image on top, left, right or...