March 2019
Intermediate to advanced
312 pages
7h 37m
English
Content preview from Hands-On Robotics Programming with C++
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The LCD and the ultrasonic sensor program
After printing a simple text value on the LCD, let's take a look at how to view the ultrasonic distance value on the LCD screen. The wiring connection of the HC-SR04 ultrasonic sensor, the 16x2 LCD, and the RPi are as follows:
The LCD connections to the RPi remain the same. The ultrasonic trigger pin is connected to wiringPi pin number 12 and the echo pin is connected to wiringPi pin number 13. Let's now take a look at the program. This program is called LCDdm.cpp (dm is short for distance measurement) and you can download it from the GitHub repository of Chapter04. The LCDdm.cpp program is a combination ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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