Farley Homans

Click the Release tab to download pre-compiled .hex files or just click here

Grbl is a no-compromise, high performance, low cost alternative to parallel-port-based motion control for CNC milling. This version of Grbl runs on an Arduino Mega2560 only.

The controller is written in highly optimized C utilizing every clever feature of the AVR-chips to achieve precise timing and asynchronous operation. It is able to maintain up to 30kHz of stable, jitter free control pulses.

It accepts standards-compliant g-code and has been tested with the output of several CAM tools with no problems. Arcs, circles and helical motion are fully supported, as well as, all other primary g-code commands. Macro functions, variables, and most canned cycles are not supported, but we think GUIs can do a much better job at translating them into straight g-code anyhow.

Grbl includes full acceleration management with look ahead. That means the controller will look up to 24 motions into the future and plan its velocities ahead to deliver smooth acceleration and jerk-free cornering.

##Update Summary for v1.1

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Step 1: Open your project in https://console.firebase.google.com/

Step 2: Open your firebase project console, click the gear icon in the upper left corner and select Project setting

Step 3: Select the Android icon in the Your apps section

Step 4: Enter info your app

Fill info and click Register app (You can omit the Debug signing certificate SHA-1 parameter)

Step 5: Download file google-service.json and move to folder /android/app

If your folder /android/app already has a file google-service.json, delete it and make sure the file name is exactly google-service.json

Click next to continue…

Step 6: This step is Add Firebase SDK, because our project has all setup already, so just click next to continue.

Step 7: At this stage, it is possible that firebase will not detect your test device, but that’s okay, just click Skip step to continue with the following steps. (In case Firebase detect can click Continue to console)

Step 8: Back to your project, run flutter clean and then flutter run

Complete the setup process, now push notification from your firebase.

Note: if you build and have an error and cannot push notifications in the background and the log returns on Xcode ``Can’t end BackgroundTask … ‘’ then you may be experiencing errors with iOS versions smaller than version 13.4 and Xcode from version 11. You can view this error at https://forums.developer.apple.com/thread/121990 **Until iOS 13.4, this problem was fixed.

Complete the process of creating an IOS application on firebase. Next, install Cloud Messaging to be able to push notifications on iOS. Click Cloud Messaging as shown:

Installing Cloud Messaging requires you to upload the auth key APNs here.

To get this key, you must have an apple developer account. Visit page https://developer.apple.com select Account as shown:

Note: 1 developer apple account can only create 2 keys, please consider before creating. But you can still delete them if needed.

In step 2, select the application you want to send, here select the IOS application that was configured in firebase before

An Android App Bundle is a publishing format that includes all your app’s compiled code and resources, and defers APK generation and signing to Google Play.

Google Play uses your app bundle to generate and serve optimized APKs for each device configuration, so only the code and resources that are needed for a specific device are downloaded to run your app. You no longer have to build, sign, and manage multiple APKs to optimize support for different devices, and users get smaller, more-optimized downloads.

Most app projects won’t require much effort to build app bundles that support serving optimized APKs. For example, if you already organize your app’s code and resources according to established conventions, simply build signed Android App Bundles using Android Studio or using the command line, and upload them to Google Play. Optimized APK serving then becomes an automatic benefit.

When you use the app bundle format to publish your app, you can also optionally take advantage of Play Feature Delivery, which allows you to add feature modules to your app project. These modules contain features and resources that are only included with your app based on conditions that you specify, or are available later at runtime for download Using the Play Core Library.

Game developers who publish their apps with app bundles can use Play Asset Delivery: Google Play’s solution for delivering large amounts of game assets that offers developers flexible delivery methods and high performance.

Watch the following video for an overview of why you should publish your app using Android App Bundles.

Publishing with Android App Bundles helps your users to install your app with the smallest downloads possible and increases the compressed download size limit to 150 MB. That is, when a user downloads your app, the total size of the compressed APKs required to install your app (for example, the base APK + configuration APKs) must be no more than 150 MB. Any subsequent downloads, such as downloading a feature module (and its configuration APKs) on demand, must also meet this compressed download size restriction. Asset packs do not contribute to this size limit, but they do have other size restrictions.

When you upload your app bundle, if the Play Console finds any of the possible downloads of your app or its on demand features to be more than 150 MB, you get an error.

Keep in mind, Android App Bundles do not support APK expansion (*.obb) files. So, if you encounter this error when publishing your app bundle, use one of the following resources to reduce compressed APK download sizes:

The following are the currently known issues when building or serving your app with Android App Bundles. If you experience issues that are not described below, please report a bug.

To learn more about Android App Bundles, consult the following resources.

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