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Minor fixes to guitar demo

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Richard Knoll
2016-10-03 16:37:13 -07:00
parent 5e9eec61c5
commit aea09c1830
5 changed files with 145 additions and 145 deletions
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docs/projects/guitar/displaybuttons.md
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@ -2,7 +2,7 @@
### @description micro:bit guitar: using buttons with display and sound
### ~avatar avatar
Use Button Events to control LED Display and play Sound
Use Button Events to control LED Display and play Sound
* **Concepts:**
* Events
* Tone/Note
@ -42,8 +42,8 @@ music.rest(music.beat(BeatFraction.Whole))
music.beat(BeatFraction.Quarter)
```
## Step 1: Make a Smiley
Open [codethemicrobit.com](https://codethemicrobit.com) in your web browser
## Step 1: Make a Smiley
Open [codethemicrobit.com](https://codethemicrobit.com) in your web browser
```blocks
basic.showLeds(`
. # . # .
@ -53,14 +53,14 @@ Open [codethemicrobit.com](https://codethemicrobit.com) in your web browser
. # # # .
`);
```
From **Basics**, drag a **show LEDs** block into the coding area
* Create a face with LEDs
From **Basics**, drag a **show LEDs** block into the coding area
* Create a face with LEDs
![micro:bit USB connection](/static/mb/projects/guitar/connectmicrobit.jpg)
Connect your micro:bit to your computer via USB and click **`Download`**.
Follow the instructions to move the code to your micro:bit.
![micro:bit USB connection](/static/mb/projects/guitar/connectmicrobit.jpg)
Connect your micro:bit to your computer via USB and click **`Download`**.
Follow the instructions to move the code to your micro:bit.
## Step 2: Add Smiley LED Button Events
## Step 2: Add Smiley LED Button Events
```blocks
input.onButtonPressed(Button.A, () => {
basic.showLeds(`
@ -82,36 +82,36 @@ input.onButtonPressed(Button.B, () => {
})
```
From **Input**, drag an **on button 'A' pressed** block into the coding area
From **Input**, drag an **on button 'A' pressed** block into the coding area
* Snap the LED face into the block
* Snap the LED face into the block
* Create a 'B' button block with a different LED face
* Create a 'B' button block with a different LED face
* Download the code to your micro:bit and try the A & B buttons
* Download the code to your micro:bit and try the A & B buttons
## Step 3: Add Headphone Speakers using Crocodile clips
![crocodile clips attached to pins 0 and GND](/static/mb/projects/guitar/crocclipintoboard.jpg)
![crocodile clips attached to pins 0 and GND](/static/mb/projects/guitar/crocclipintoboard.jpg)
![crocodile clips attached to headphone jack](/static/mb/projects/guitar/jacktocrocs.jpg)
Connect **GND** to the **base of the headphone jack** using a second crocodile clip (usually black)
![crocodile clips attached to headphone jack](/static/mb/projects/guitar/jacktocrocs.jpg)
Connect **GND** to the **base of the headphone jack** using a second crocodile clip (usually black)
Connect **pin 0** to the **tip of the headphone jack** with a crocodile clip
Connect **pin 0** to the **tip of the headphone jack** with a crocodile clip
*attaching batteries and micro:bit*
https://youtu.be/zwRTmpKIaVU
Attach the micro:bit & battery-pack to the guitar body
*attaching batteries and micro:bit*
https://youtu.be/zwRTmpKIaVU
Attach the micro:bit & battery-pack to the guitar body
*connecting headphone speaker*
https://youtu.be/ewyEW_U5G9M
Connect the headphones with crocodile clips
*connecting headphone speaker*
https://youtu.be/ewyEW_U5G9M
Connect the headphones with crocodile clips
### ~hint
## The micro:bit can play music
The **play tone** block allows a range letter note tones from **C** to **B5**.
The **play tone** block allows a range letter note tones from **C** to **B5**.
Songs are played using sequences notes. Like the beginning of a birthday song (C, C, D, C, F, E).
```blocks
input.onButtonPressed(Button.A, () => {
@ -152,20 +152,20 @@ input.onButtonPressed(Button.B, () => {
`)
music.playTone(Note.G, music.beat(BeatFraction.Whole))
})
```
From **Music**, drag **play tone *C* for *1* beat** block under the **show leds** in **Button A Pressed**
```
From **Music**, drag **play tone *C* for *1* beat** block under the **show leds** in **Button A Pressed**
* modify **tone** by choosing a note (*letter*) and experiment with high and low pitches
* set **beat** to 1
**Repeat** for **Button B** event
**Download the code** to the micro:bit
* modify **tone** by choosing a note (*letter*) and experiment with high and low pitches
* set **beat** to 1
**Repeat** for **Button B** event
**Download the code** to the micro:bit
**Try the A & B buttons** with headphones and power connected
## Congratulations on completing the basic guitar!
**Challenge:** Create Samples of longer music to play for each button instead of the single tone
## Congratulations on completing the basic guitar!
**Challenge:** Create samples of longer music to play for each button instead of the single tone
* *Tip*: Search for "ABC music notation" or "Easy Music Notes" + the name of a song
## Extra