Onion Omega2 Dash

by Onion

An open-source touchscreen & Wi-Fi-connected Linux dev board

View all updates Jun 04, 2020

Cross Compiling Made Easy!

by Lazar D

We wanted to let everybody know about an update we’ve made to the LVGL quickstart template: you can now cross-compile the lvgl program for the Omega2 Dash with a single command!

After getting some initial feedback on the LVGL template, we came to the conclusion that everyone would benefit from a quick and easy method to cross compile this code. The implementation is based on Docker and uses the OpenWRT SDK to perform the cross compilation.

All of the intermediate steps are wrapped in a shell script, so the end-user just needs to make sure Docker is installed, and then run the script:

sh compile.sh

The first time you do this might take 5-20 minutes depending on your internet connection since Docker will need to download some image files. Subsequent compilations will be very quick - less than a minute.

When the compilation is complete, there will be a bin directory holding a compiled binary file of the program, and an IPK file that can be installed with the OpenWRT package manager.

We’ve also added some instructions on extending the template code to really make it your own.

Learn more in the Omega2 Dash Guide.

Enjoy! We can’t wait to see what awesome stuff you make!

About the Author

Lazar D

greenbreakfast  ·   Toronto, Canada


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Product Choices

$75

Omega2 Dash

An Omega2 Dash IoT computer. Perfect for making internet-connected control panels and user interfaces.


$15

Ethernet Expansion

From the Onion Omega2 Pro project.

An Ethernet Expansion board for your Omega2 Dash

The Ethernet Expansion adds an Ethernet port to your Omega with a maximum connection speed of 100Mbps. While the Omega is all about wireless connectivity, a reliable wired network connection can be a great addition to a project, and the Ethernet Expansion is a great tool for quickly reflashing your Omega’s firmware.


$20

NFC/RFID Expansion

From the Onion Omega2 Pro project.

An NFC/RFID Expansion board for your Omega2 Dash

Bring contact-less RFID and NFC communication to your Omega2. It supports reading and writing with several NFC and RFID protocols at 13.56 MHz. Comes bundled with two programmable Mifare Ultralight tags.


$15

ADC Expansion

From the Onion Omega2 Pro project.

An ADC Expansion board for your Omega2 Dash

Omega2 can now read all types of analog voltages and sensors with the help of this ADC Expansion. Read and interpret up to 4 analog voltage or sensor inputs, each with 16 bits of precision.


$5

Proto Expansion

From the Onion Omega2 Pro project.

A Proto Expansion board for your Omega2 Dash

The Proto Expansion for the Onion Omega allows you to create your very own expansion that interfaces with your Omega. It provides a small soldering area and 30-pin header that plugs into the Expansion Dock. With it you will have full control over what kind of project you design for your Omega.


$15

Servo Expansion

From the Onion Omega2 Pro project.

A Servo Expansion board for your Omega2 Dash

The Servo Expansion adds 16 PWM (Pulse Width Modulation) outputs to your Omega. Connect standard servos directly to the Expansion since each channel has its own 3-pin connectors, making it that much easier to get started with your project! This Expansion is great in any application that requires servos, like a robotics project or anything with moving parts. Given that PWM is so useful, you can also use this Expansion to precisely control LEDs or drive a DC motor using an H-bridge. The Servo Expansion is often also called the PWM Expansion.

Credits

Onion

Onion is a team of technology enthusiasts, creators, and strivers, looking to make amazing products and even better user experiences. Onion has been in business since 2014, graduating from the TechStars Startup Accelerator in Boston that year. In 2015, we introduced the world to the Onion Omega IoT computer.


Lazar Demin

Zheng Han

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