---
# System prepended metadata

title: Talk slides template
tags: [Templates, ' Talk']

---

---
title: Talk slides template
tags: Templates, Talk
description: View the slide with "Slide Mode".
---

# Unleash the power!

<!-- Put the link to this slide here so people can follow -->
slide: https://hackmd.io/p/template-Talk-slide

---

We have a collaborative session

please prepare laptop or smartphone to join!

---

## Who am I?

- Front-end developer
- VSCode :heart: 
- I use tabs. :cat: 

---

### 70% of our users are developers. Developers :heart: GitHub.

---

{%youtube E8Nj7RwXf0s %}

---

### Usage flow

---



#蜂鳴器
```javascript=
#蜂鳴器
void setup()
{
}

void loop()
{
  tone(D4, 440);
  delay( 1000 );
  noTone(D4);
}

```


#超音波

```javascript=


#include <Ultrasonic2.h>

int Range = 0 ;
Ultrasonic2 monUltrasonic_pin5(5);

void setup()
{
  Serial.begin(9600);
}

void loop()
{
  Range = monUltrasonic_pin5.mesurer(6) ;
  Serial.print("Distance=");
  Serial.print(Range);
  Serial.print(" ");
  Serial.println();
  delay( 200 );
}
```
#閃燈
```javascript=
#void setup()``
{
  pinMode( D4 , OUTPUT);
}

void loop()
{
  digitalWrite(D4 , LOW);
  delay( 1000 );
  digitalWrite(D4 , HIGH);
  delay( 1000 );
}

```



)


![](https://i.imgur.com/j36x7rR.png)



