From the course: Learning Arduino: Interfacing with Hardware
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Setup the keypad library - Arduino Tutorial
From the course: Learning Arduino: Interfacing with Hardware
Setup the keypad library
- [Instructor] Often times when you use the keypad component, you need to include the library in the Arduino software. In order to check if you have the library or not, you go to Sketch, Include Library, and then look around if you see the keypad library. If you don't see it around, then you need to download it from the website. To do so, you need to go to this website, so you need to download this zip file. And then once downloaded, you go to Download, then unzip the file. Alright, so once you have the folder, you need to move it to the libraries within the Arduino software. So you go where is Arduino, Libraries, and then you place it in here. Alright, so let's go back and check if we have the library within the software. You might need to restart the software again, so just open a new one. Alright, so you go and check if you have the library now. See, we have the keypad now. Sometimes, if cannot even…
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Contents
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Introduction to the keypad interface2m 1s
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Wiring up the keypad1m 57s
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Optional review: IF statement1m 28s
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Optional review: The switch...case statement1m 40s
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Understanding two-dimensional arrays1m 58s
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Setup the keypad library2m 10s
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HelloKeypad4m 41s
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Using the keypad with LEDs5m 6s
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Combine the keypad and 7-segment LED5m 47s
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Combine them all: LCD + keypad + LED4m 44s
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