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Minor fixes to guitar demo

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This commit is contained in:
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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88
docs/projects/guitar/pinpress.md
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@ -6,16 +6,16 @@
Use pin press to switch guitar play on/off
* Concepts:
* Circuit
* Conductor
* Variable/Global-Variable
* Conditional: **`if`**, **`else`**
* Circuit
* Conductor
* Variable/Global-Variable
* Conditional: **`if`**, **`else`**
* Boolean: **`True`/`False`**
### ~
### ~
## Duration: approximately 45 minutes
## Duration: approximately 45 minutes
## Materials:
## Materials:
2-3 Crocodile clips
## Blocks
@ -31,16 +31,16 @@ input.onPinPressed(TouchPin.P1, () => {})
### ~hint
## Circuits & Switches
* **Circuits** need a power supply (battery), a resister (like a LED) & a conductor (metal, water, hand)
* **Switches** turn electric power on by closing (completing) a circuit with a conductor so power can flow
* **Circuits** need a power supply (battery), a resister (like a LED) & a conductor (metal, water, hand)
* **Switches** turn electric power on by closing (completing) a circuit with a conductor so power can flow
**Metal foil and wires make excellent conductors**
**Metal foil and wires make excellent conductors**
**In this activity we use YOU to conduct electricity**
**to close the circuit that switches the guitar ON and OFF!**
**In this activity we use YOU to conduct electricity**
**to close the circuit that switches the guitar ON and OFF!**
### ~
## Step 1: Pin Press Test
## Step 1: Pin Press Test
```blocks
input.onPinPressed(TouchPin.P0, () => {
@ -52,34 +52,34 @@ input.onPinPressed(TouchPin.P1, () => {
input.onPinPressed(TouchPin.P2, () => {
basic.showNumber(2)
})
```
**Create the pin-press code**
```
**Create the pin-press code**
**Download the code** on the micro:bit
**Download the code** on the micro:bit
https://youtu.be/PAIU-vHqyGU
https://youtu.be/PAIU-vHqyGU
**Hold the micro:bit touching The GND pin with one hand**
**with the other hand alternately touch the 0, 1 and 2 pins**
**Hold the micro:bit touching The GND pin with one hand**
**with the other hand alternately touch the 0, 1 and 2 pins**
### ~hint
**The electric signal traveled from pins, between your hands to `GND` and the micro:bit detected the electric signal!**
### ~
## Step 2: Installing conductive foil on the guitar
https://youtu.be/NX0ECcpXFes
**Add foil to the guitar body where it is easy to touch while playing**
**The electric signal traveled from pins, between your hands to `GND` and the micro:bit detected the electric signal!**
### ~
**Connect the foil to `GND` using a crocodile clip**
## Step 2: Installing conductive foil on the guitar
https://youtu.be/NX0ECcpXFes
**Add foil to the guitar body where it is easy to touch while playing**
https://youtu.be/YkymZGNmkrE
**Add foil to the guitar neck**
**Connect the foil to `pin 1` using a crocodile clip**
**Connect the foil to `GND` using a crocodile clip**
## Step 3: Add a switch to turn the guitar ON and OFF
**Using the `on` global variable we can switch the message on the micro:bit**
**between ON and OFF**
https://youtu.be/YkymZGNmkrE
**Add foil to the guitar neck**
**Connect the foil to `pin 1` using a crocodile clip**
## Step 3: Add a switch to turn the guitar ON and OFF
**Using the `on` global variable we can switch the message on the micro:bit**
**between ON and OFF**
```blocks
let on = false
basic.forever(() => {
@ -96,11 +96,11 @@ input.onPinPressed(TouchPin.P1, () => {
on = true
}
})
```
**Create the ON/OFF switch code**
```
**Create the ON/OFF switch code**
**Download the code on the micro:bit**
**Download the code on the micro:bit**
**Test by touching `P1` to toggle the LED message between ON and OFF**
*Final code*
@ -123,9 +123,9 @@ basic.forever(() => {
input.onPinPressed(TouchPin.P1, () => {
on = !on;
})
```
## Now Play!
**Turn the guitar ON and OFF with a pin press on the connected foil**
**touching both pieces of foil at the same time to connect the switches**
https://youtu.be/GYmdTFvxz80
```
## Now Play!
**Turn the guitar ON and OFF with a pin press on the connected foil by**
**touching both pieces of foil at the same time to connect the switches**
https://youtu.be/GYmdTFvxz80