New Twiddle

components.my-button.js

import Ember from 'ember';

export default Ember.Component.extend({
});

components.my-form.js

import Ember from 'ember';

export default Ember.Component.extend({
});

components.my-logic.js

import Ember from 'ember';

export default Ember.Component.extend({
  actions: {
    submit(val) {
      // here you do your logic
      alert("submit: " + val);
    }
  }
});

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle'
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}
<br>
<br>
{{#my-logic as |logic|}}

	The first use:
  {{logic.form}}
  
  {{my-button onclick=logic.submit}}

{{/my-logic}}

templates.components.my-button.hbs

<button onclick={{action onclick}}>click</button>

templates.components.my-form.hbs

form:
<input value={{value}} onchange={{action (mut value) value="target.value"}} />

templates.components.my-logic.hbs

{{yield (hash
  form=(component 'my-form' value=value)
  submit=(action 'submit' value)
)}}

twiddle.json

{
  "version": "0.11.0",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.10.2",
    "ember-data": "2.11.0",
    "ember-template-compiler": "2.10.2",
    "ember-testing": "2.10.2"
  },
  "addons": {}
}