Some time ago I bought a cheap 9DOF board on Ebay. The board has 3 sensors, an ADXL345 accelerometer, HMC5883L magnetometer and an ITG3200 gyroscope. All 3 sensors are of the digital kind and use the I2C bus to communicate. These sensors need a voltage of 3,3V to work, luckily the board has an onboard […]
My line following robot from Bajdi on Vimeo. A couple of months ago I started building a line following robot, I named it Volga 🙂 The plan was to draw a small track and plot it out on a large piece of paper and make a robot that could follow the track. In this case […]
Found a new library for ultrasonic sensors on the Arduino forums, NewPing.h. You can download it from the Arduino playground. So I wanted to try it out with my Dagu Rover 5. I modified an older sketch that used the ultrasonic.h library. It was pretty easy to change and I can confirm that the new […]