lcd5110 | Nokia 5110 LCD connected to Raspberry Pi
kandi X-RAY | lcd5110 Summary
kandi X-RAY | lcd5110 Summary
Nokia 5110 LCD connected to Raspberry Pi
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QUESTION
I am trying to integrate a keypad to my project and wanted to test it in a simple program first. The keypad is connected to the Arduino Uno (ATmega328P) like this:
C1 -> Pin 6
C2 -> Pin 8
C3 -> Pin 4
R1 -> Pin 7
R2 -> Pin 2
R3 -> Pin 3
R4 -> Pin 5
I downloaded a template program for this keypad and adjusted the configuration of my pins accordingly.
Here is the code:
...ANSWER
Answered 2021-Feb-04 at 13:20Better use the Keypad library by Mark Stanley and Alexander Brevig. This library is responsible for setting up the pins and polling the different columns and rows. To install the Keypad library, go to Sketch > Include Library > Manage Libraries and search for "keypad". Click on the library and then click install. The code for a 3x4 keypad is as follows
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You can use lcd5110 like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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