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--- i_c_lcd_display [2016/08/01 20:43] – walkeradmin
+++ i_c_lcd_display [2023/03/09 22:35] (current) – external edit 127.0.0.1
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 LCDs are a great way to display simple information (like an IP address) without going to the expense of a full LCD panel, or connecting a monitor. For my previous LCD I used a 2 line LCD in 4 bit mode, this is a very simple implementation, but it uses lots of GPIO pins.\\
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-Another way to connect an LCD is to use the I2C interface. This only requires a total of 4 wires, two for the data, 2 for power. You can buy LCDs with built in I2C adaptors, I got mine from eBay, I can't really link it because the links to eBay items seem to die fairly quicly.\\
+Another way to connect an LCD is to use the I2C interface. This only requires a total of 4 wires, two for the data, 2 for power. You can buy LCDs with built in I2C adapters, I got mine from eBay, I can't really link it because the links to eBay items seem to die fairly quickly.\\
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 If you do a search for something like this:
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 The most tricky part of getting any LCD to run is finding a driver/library for it. I have followed a tutorial from a chap called **TheRaspberryPiGuy** who you can look up on YouTube.\\
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+    https://www.youtube.com/watch?v=fR5XhHYzUK0
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 This guide assumes that you have installed Raspbian (or equivalent) and updated everything with the following commands:
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     Reboot for the changes to take effect
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-Once the OS is installed and the LCD is connected, the libraries can be installed:
+Once the OS is installed and the LCD is connected, the libraries can be installed:\\
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 Ensure you are in  your home folder (probably /home/pi)\\
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     sudo sh install.sh (RPi will auto reboot)
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+If you can't find the repository - these files may help - {{ :i2c_lcd.zip |}}
+\\
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 Once the Pi has rebooted:
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     cd lcd
     edit lcddriver.py to ensure the ADDRESS = 0x27 is the correct address (some are 0x20)
+    You can find the LCD address by using a tool called i2cdetect
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 I found this guide by doing this YouTube search:
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     Raspberry Pi - Mini LCD Display Tutorial by TheRaspberryPiGuy
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