"Do you have trouble getting up in front of an audience? Are you struggling to get your point across? Public speaking can be nerve-wracking, especially if you're a naturally nervous person or if you're underprepared. Originally published in 1915, The Art of Public Speaking has b…
The reduction in the range of the infrared sensors in bright sunlight indicates that it is advisable to include additional obstacle avoidance sensors. Laser range finders are an attractive solution; however they tend to be expensive, requiring either high speed electronics or a …