The code for today is heavily dependent on two major libraries The Adafruit GFX library and the Adafruit Nokia 5110 LCD Library. To be fair, the code for today’s tutorial is a little bit complex and while I will do my best to break it down and ensure you understand the basics, it might take you building your own menu to fully grab the concept. It might be useful to go over the entire connection one more time to ensure everything is as it should be. With the connections all done, we can now proceed to the code for the project. If you have any challenges understanding the concept, do reach out to me via the comment section. You can read more about using pull-up/down resistors here. This is because we will use the Arduino’s internal pull-up resistor. Looking at the schematics, you will see that the push buttons are connected to the Arduino without the common pull-up or pull-down resistors. To make the schematics easy to follow, a pin map of the connection between the Arduino Uno and the Nokia 5110, which isthe major component, is shown below. The schematics for this project is quite simple, connect the components as shown in the schematics below. The following components are required to build this project Īs usual, the exact components used for this tutorial can be bought via the link attached to each of them. That’s it for introduction, Let’s now see how to build this project. This is a fun and interesting project which I believe can be very useful to anyone irrespective of your technical know-how level. Selecting the last option on the homepage does what it is labeled for, it clears all the previous settings for the contrast and backlight. The second option on the homepage displays the third page, where users will be able to turn the backlight of the display on/off by pressing the select item button. By pressing the select button, users will be able to go back to the home page. Users will be able to change the contrast of the display using the up and down push buttons to increase or reduce it respectively. The second page will open after the first menu option on the homepage has been selected. The first screen/page of the menu will serve as the home page and will host the options that open the next two screens/pages. The first to scroll up, the second to scroll down and the third one to select a highlighted option. To navigate through the menu, we will use 3x push buttons. To showcase how to create the menu on a display with the Arduino, we will build a simple demo menu with three pages. We have published quite a number of tutorials on this display that might help you understand how to drive such a display. In a normal state, the display consumes about 6 to 7mA which makes it quite ideal for low power devices. The display uses a low power CMOS LCD controller/driver, the PCD8544, which drives the 84×48px graphics display. It was originally developed for use as a screen for cell phones and was used in lots of mobile phones during the 90’s. The Nokia 5110 LCD is one of the most popular LCD display among makers. Today we will explore how to add this cool feature to your Arduino project.Īt the heart of today’s project is the Nokia 5110 LCD Display. From mobile phone to PCs, its applications are endless. The menu is one of the easiest and most intuitive ways through which users interact with products that require navigation. For today’s tutorial, we will look into achieving more with displays by implementing a menu based system with the Nokia 5110 LCD display and the Arduino. We have published quite a number of tutorials using different displays with the Arduino, with the most recent being the tutorial on displaying graphics on all kind of displays with Arduino.
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