I am using an IR sensor which detects the obstacle. My question is how does 2 robots stops on a finish line which is an object higher that the height of the car robot if i am using IR, comparator(LM741),Relay, bjt, diode And Hbridge (L293d) ? How to detect the egde? If detected what it does ? How to detect obstacle ? And how to detect the finish line which is the an object higher in height?
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$\begingroup$ Welcome to Robotics William, but I'm afraid that Unbounded Design Questions are off-topic because there are many ways to solve any given design problem. Please also focus your post to a single question. We prefer practical, answerable questions based on actual problems that you face, so questions which ask for a list of approaches or a subjective recommendation on a method (for how to build something, how to accomplish something, what something is capable of, etc.) are off-topic. $\endgroup$– Ben ♦Mar 15, 2020 at 22:58
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$\begingroup$ Please take a look at How to Ask & tour for more information on how stack exchange works. $\endgroup$– Ben ♦Mar 15, 2020 at 22:58
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$\begingroup$ Could you draw a simple picture of the situation? $\endgroup$– NomadMakerMar 16, 2020 at 4:04
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