Colourful, Bright & Animated RGB 7 Segment display boards + accompanying Arduino Library
Designed by Unexpected Maker in Australia
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The seller may be offering an improved version or it may be hanging out on the beach, enjoying the retired life.
X7 Segment displays are RGB LED based 7 Segment boards that you can chain together and control via any micro-controller just like you would control a strip of RGB LEDs. They just require VCC, GND and…
Read More…X7 Segment displays are RGB LED based 7 Segment boards that you can chain together and control via any micro-controller just like you would control a strip of RGB LEDs. They just require VCC, GND and Data from a GPIO.
The X7Segment Arduino library allows you to simply pass your display a string of text, and have it not only display the text, but animate it's colours in vibrant and exciting ways!
The X7Segment Arduino library has full ESP32 RMT support, requiring no other libraries! That means you can chain as many X7 Displays together, and never have to worry about interrupt timing issues corrupting the data.
If you are not using an ESP32, the X7 library falls back to using the Adafruit Neopixel library, so please make sure you have that installed from the Arduino library manager.
The Adafruit Neopixel library supports a huge range of micro-controllers, so you should be covered with almost any board you choose to use.
Each X7Segment display measures approximately 41mm * 73mm, so they are much bigger than regular 7 segment displays, and are great for building signs and displays that are super impactful up close and from a distance.
The Arduino library supports as many characters and numbers as it's possible to display with 7 segments, but of course, adding more symbols is as easy as extending an array in the library!
The displays can be driven from 3.3V logic if you are using a 3.3V power source, or 5V logic if you are using a 5V source.
If you are chaining more than 2x X7 Segment Displays together, please power it from an external 5V source.
Each RGB LED (15 per board) can draw up to 60mA, so please keep power draw in mind when chaining X7 Segment digits together and using power from a micro-controller. We recommend powering your digits from a separate power supply capable of delivering 5V and up to as many Amps the maximum you'll need, to ensure no damage is done to your micro-controller.
Each display has 2 mounting holes across the centre that allow you to screw them into a backing plate if you need, and a range of ways you can chain them together, including header pins and solder pads options.
Each display also comes with a tinted black acrylic diffuser and screws/nuts.
I have made the board designs open hardware, and I have included the Eagle CAD files and Gerber files in the X7Segment Github repository alongside the X7 Segment Arduino library.
All hardware is released under the CERN open hardware license, so please make yourself familiar with it before you decide to fork or use the files.
All software is released under the MIT open software license, so again, please make yourself familiar with it before you decide to fork or use the files. Also remember, If using the Adafruit Neopixel library, it has it's own licensing, so please check that if you plan on making derivative work from the X7 library.
Check out my youtube channel to find out more about the projects I work on!
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