VINT Hubs

This Phidget is a smart device that must be controlled by a VINT Hub. For more information about VINT, have a look at the VINT Primer. You can use a Phidget Cable to simply and easily connect the two devices. Here's a list of all of the different VINT Hubs currently available:

Product			Board
Image	Part Number	Price	Number of VINT Ports
	HUB0000_0	$30.00	6
	SBC3003_0	$120.00	6

Phidget Cables

Use a Phidget cable to connect this device to the hub. You can solder multiple cables together in order to make even longer Phidget cables, but you should be aware of the effects of having long wires in your system.

Product			Physical Properties
Image	Part Number	Price	Cable Length
	3002_0	$2.00	600 mm
	3003_0	$1.50	100 mm
	3004_0	$3.00	3.5 m
	3034_0	$1.50	150 mm
	3038_0	$2.25	1.2 m
	3039_0	$2.75	1.8 m

Getting Started

Welcome to the LCD1100 user guide! In order to get started, make sure you have the following hardware on hand:

• LCD1100 - Graphic LCD Phidget
• VINT Hub
• Phidget cable
• USB cable and computer

1. Connect the LCD1100 to the VINT Hub using the Phidget cable.
2. Connect the VINT Hub to your computer with a USB cable.

Using the LCD1000

Phidget Control Panel

In order to demonstrate the functionality of the LCD1100, the Phidget Control Panel running on a Windows machine will be used.

The Phidget Control Panel is available for use on both macOS and Windows machines.

Windows

To open the Phidget Control Panel on Windows, find the icon in the taskbar. If it is not there, open up the start menu and search for Phidget Control Panel

macOS

To open the Phidget Control Panel on macOS, open Finder and navigate to the Phidget Control Panel in the Applications list. Double click on the icon to bring up the Phidget Control Panel.

For more information, take a look at the getting started guide for your operating system:

• Getting started with Windows
• Getting started with macOS

Linux users can follow the getting started with Linux guide and continue reading here for more information about the LCD1100.

First Look

After plugging the LCD1100 into your computer and opening the Phidget Control Panel, you will see something like this:

The Phidget Control Panel will list all connected Phidgets and associated objects, as well as the following information:

• Serial number: allows you to differentiate between similar Phidgets.
• Channel: allows you to differentiate between similar objects on a Phidget.
• Version number: corresponds to the firmware version your Phidget is running. If your Phidget is listed in red, your firmware is out of date. Update the firmware by double-clicking the entry.

The Phidget Control Panel can also be used to test your device. Double-clicking on an object will open an example.

Graphic LCD

When you double click on a Graphic LCD object, a window like the one pictured will open.

• At the top of the window, information about your device and the properties of this particular channel will be listed.
• In the middle, brightness and contrast of the LCD screen can be adjusted.
• At the bottom, there are a number of buttons to demonstrate the functionality of the graphics LCD:

• Basic Example: Write some text, lines, boxes and a bitmap to the screen.
• SaveFrameBuffer: Save the current screen to memory.
• RecallFrameBuffer: Load the saved screen from memory and print it to the screen.
• Async Example: Prints a bitmap to the screen asynchronously (can occur while other draw functions are still running).
• Async Text: Prints text to the screen asynchronously.
• Async Timer: As above, but constantly prints numbers in random locations.
• Image: Loads an image from file and converts it to a bitmap to be displayed on the screen.
• Sleep/Unsleep: Toggles sleep mode, where the Phidget is still attached but in a minimal power consumption state.
• Clear Screen: Erases the screen.

Finding The Addressing Information

Before you can access the device in your own code, and from our examples, you'll need to take note of the addressing parameters for your Phidget. These will indicate how the Phidget is physically connected to your application. For simplicity, these parameters can be found by clicking the button at the top of the Control Panel example for that Phidget.

In the Addressing Information window, the section above the line displays information you will need to connect to your Phidget from any application. In particular, note the Channel Class field as this will be the API you will need to use with your Phidget, and the type of example you should use to get started with it. The section below the line provides information about the network the Phidget is connected on if it is attached remotely. Keep track of these parameters moving forward, as you will need them once you start running our examples or your own code.

Using Your Own Program

You are now ready to start writing your own code for the device. The best way to do that is to start from our examples:

This Phidget is compatible with the LCD Examples.

Once you have your example, you will need to follow the instructions on the page for your programming language to get it running. To find these instructions, select your programming language from the Software Overview page.

Technical Section

Custom Characters

Bitmaps

Bitmaps define images to be drawn on the screen of the Graphic LCD display. Bitmaps on the Graphic LCD display are made up of pixels arranged in a grid with a size defined when the bitmap is drawn.

You can create a bitmap by defining a byte array of ones and zeroes. Ones are colored in, and zeroes are empty. If you put a line break after each row, it'll be easy to edit the bitmap.

In C#, this may look something like this:

Byte[] heart = 	[0,0,0,0,0,
		 0,1,0,1,0,
		 1,1,1,1,1,
		 1,1,1,1,1,
		 0,1,1,1,0,
		 0,0,1,0,0,
		 0,0,0,0,0,
		 0,0,0,0,0];

gLCD.WriteBitmap(0, 0, 5, 8, heart);

Custom Characters

Custom characters are images associated with given unicode characters. A custom character can be any arrangement of pixels within the space allotted for a single character. Single characters are made up of pixels arranged in a grid with a size defined by setFontSize().

As with regular bitmaps for the Graphic LCD display, you can create a character bitmap by defining a byte array of ones and zeroes. Ones are colored in, and zeroes are empty. If you put a line break after each row, it'll be easy to edit the bitmap.

In C#, this may look something like this:

Byte[] heart = 	[0,0,0,0,0,
		 0,1,0,1,0,
		 1,1,1,1,1,
		 1,1,1,1,1,
		 0,1,1,1,0,
		 0,0,1,0,0,
		 0,0,0,0,0,
		 0,0,0,0,0];

gLCD.SetFontSize(LCDFont.User2, 5, 8);
gLCD.SetCharacterBitmap(LCDFont.User2,"\x6",heart);

Once stored, characters can be recalled into a text string by using the unicode value for the location (in this example, "\x6"). For example, in C#:

gLCD.WriteText(LCDFont.Dimensions_5x8, 0, 0,"I \x6 Phidgets!");

Custom characters on the LCD1100 are stored as images on the frame buffer for their font. FONT_User1 is stored on frame buffer 1 and FONT_User2 is on frame buffer 2.

These characters occupy the same space as drawings on their framebuffer, and will be displayed onscreen if their framebuffer is flushed. They can also be overwritten by using drawing funcitons on their framebuffer, so it is recommended to only use a given framebuffer either for drawing or storing fonts, but not both.

We recommend using FONT_User2 (frame buffer 2) to store custom fonts, as it can be saved for later use.

In order to use the custom fonts, you must first define their size with setFontSize(). Once the font size is set, custom characters will be placed on the font's frame buffer at a location corresponding to the character number provided.

Characters for each font are stored in rows ordered left-to-right, top-to-bottom. Rows are filled with as many characters as will completely fit across the width of the screen. There are as many rows as will fit on the screen vertically.

On a screen 128 pixels wide by 64 pixels high, if your font is 10 pixels wide by 20 high, you will have 3 rows of 12 characters. This allows for a maximum of 36 characters of that size.

A demonstration of how many 10x20px characters can fit on the screen.

To quickly determine how many characters can be in your custom font, you can call getMaxCharacters() in your code.

Custom character indexing starts with character 0x01 and can be any character between 0x01 and the maximum number of characters that fit on screen.

To determine if an ascii character can be used in a given custom font, you can look at its corresponding ascii value on an ascii table to determine if it is within the limit determined above.

What to do Next

• Software Overview - Find your preferred programming language here to learn how to write your own code with Phidgets!
• General Phidget Programming - Read this general guide to the various aspects of programming with Phidgets. Learn how to log data into a spreadsheet, use Phidgets over the network, and much more.
• Phidget22 API - The API is a universal library of all functions and definitions for programming with Phidgets. Just select your language and device and it'll give you a complete list of all properties, methods, events, and enumerations that are at your disposal.

Product Specifications

Power Saving

* Varies based on contrast setting.

Software Objects

API

Documents

• Mechanical Drawings
• Download 3D Step File
• Programming Resources

Library & Driver Downloads

• Windows libraries
• macOS libraries
• Linux libraries
• iOS libraries
• Android libraries

Code Samples

Product History

If you just need text, here's a list of our text LCD screens:

Product			LCD Screen
Image	Part Number	Price	Number of Rows	Characters per Row	Character Width
	3650_0	$18.00	2	20	3.2 mm
	3651_0	$14.00	2	20	2.5 mm
	3652_0	$25.00	2	20	5.9 mm
	3653_0	$25.00	2	40	3.2 mm
	3654_0	$20.00	4	20	3 mm
	3655_0	$35.00	4	40	2.8 mm

The above LCD screens can be controlled by our textLCD interface:

Product
Image	Part Number	Price
	1204_0B	$40.00

Here are all of our options for LCD control:

Product			Board Properties
Image	Part Number	Price	Controlled By
	1203_2B	$95.00	USB (Mini-USB)
	1204_0B	$40.00	USB (Mini-USB)
	LCD1100_0	$30.00	VINT