Debug (and control) your Robotic Arm with iOS

This is my work in progress ~50cm Robotic Arm with 6 AXIS Servo motors, an Arduino and a RaspberryPi (for image recognition in phase 2):

Arduino Robotic Arm 6AXIS iOS controlled

While writing the C++ code in Arduino I found I needed a way to send easily and fast commands to Arduino with my iPhone using Bluetooth.

Basically I need to control my robotic arm using an external device instead of running and running again the code on the Arduino board.

For this reason: I’ve attached a BLE board to Arduino and I have created a simple app (completely written in SwiftUI 😍😎) that use BLE connection to connect to Arduino BLE board and send string commands that are parsed and executed.

Commands sended are like:

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Swift – Push UIView animation

Simple code snippet today that show how to push a UIView and obtain the same effect of a UINavigationController as push action, choosing also the side (.fromLeft / .fromRight).

We can do this using the CATransitionanimations. Very simple:

func push( view: UIView, side: CATransitionSubtype = .fromRight ) {
    let transition = CATransition()
    transition.type = CATransitionType.push
    transition.subtype = side

    self.layer.add(transition, forKey: nil)
    self.addSubview(view)
}

Enjoy pushing!

Swift – FlatUI color palette cocoapod library

As personal utility I’ve created a new FlatUIColor Cocoapod framework.

Consist of a simple UIColor extension with a customized set of my favorite flat colors that I use very often.

To integrate in your project, simply add this line in your Podfile:

pod 'FlatUIColors', :git => 'https://github.com/elpsk/FlatUIColors.git'

Install pods from terminal: $ pod install and open your project $ xed .

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