This week we presented our second powerpoint to the class. I worked on the wireless communication portion and a couple of the beginning slides. I also helped with correcting the titles to make sure they are descriptive statements.
Since it is close to the end of the project term. We are deciding to dismiss the wireless capabilities and have that as a future goal for next year. The team still has a lot to get done before we are able to present the bogie. I helped with moving the poles into the room and measuring it so that the pole is ready to be cut.
This week I collaborated with the small-scale controls team on their progress with the Xbee programming. I saw that they were still having issues setting up the XTCU software parameters to make the wireless system work. It seems easy enough but there is no complete manual that explains every setting on the software. As of this point, the Xbee modules were not yet purchased. The cost of the Xbees is fairly high compared to other options. The Xbee ranges around $50 each not including the separated necessary components that are needed. We will keep trying different settings to see if any work. The site that has a good amount of information on the Xbee is here: https://www.norwegiancreations.com/2013/10/arduino-tutorial-1-lets-make-xbee-talk/ Seems like the small scale team also says that an antenna is needed to be soldered onto each module, which the chips we found did not have. We will continue collaborating with them for the time being. This week, we also did our first presenta...
Dr. Furman told us that we are allowed a small space during Maker Faire and would have to shorten the length of the track. A couple of our team members when to the courtyard at SJSU where the half-scale track was being held and found that there is a part that can be easily sectioned off. We will keep 18ft of the track including the slope and y-junction. The legs will also be cut to around 4ft so that the bogie will just hover over the floor. This week, I found a pair of Xbee modules in a box while looking through an unclaimed cabinet brought from the old warehouse. With the 2 S1 edition modules was also an Xbee shield which will be used to fit onto the Arduino. Looking through the Sparkfun website where the Xbees are sold, shows that the module takes in 3.3V and 50mA. The range of the Xbee is 300ft which will be able to accomplish our goals. Figure 1. Xbee module Figure 2. ...
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