Kids Project! Smartphone Piyo Piyo
Create a Bird and control it from a smartphone!
Movie
How to make
Material
- Servo Motor SG5010
- Piezo Speaker
- Paper Cup
- Paper
First, Create base for a bird.
Cut circle and make a tiny hole for motor.
Next, Fix it on top of a motor with side tape.
Attach this to a servo.
Create a bird with cup as you like!
Then, put it on a servo.
Fix a cable like this.
Wire
Piezo Speaker to io0 and io4.
Servomotor signal to io9. vcc to io10, gnd to io11.
You finished! Open HTML.
How to use
Tilt a smartphone to move and tweet.
Program
<!-- HTML Example -->
<html>
<head>
<script src="https://obniz.io/js/jquery-3.2.1.min.js"></script>
<script src="https://unpkg.com/obniz@2.0.2/obniz.js"></script>
</head>
<body>
<div id="obniz-debug"></div>
<div id="print"></div>
<script>
var speaker;
var servo;
var lastbeta;
var obniz = new Obniz("OBNIZ_ID_HERE")
obniz.onconnect = async () => {
speaker = obniz.wired("Speaker", {signal:0, gnd:4});
servo = obniz.wired("ServoMotor", {signal:9,vcc:10, gnd:11});
}
window.addEventListener("deviceorientation", (event) => {
if (!speaker) return;
const beta = event.beta;
const gamma = event.gamma;
const alpha = event.alpha;
console.log(gamma);
if (beta > lastbeta + 1 || beta < lastbeta - 1 ){
speaker.play(parseInt((beta - 0) * (7000 - 4000) / (90 - 0) + 4000));
} else {
speaker.stop();
}
lastbeta = beta;
servo.angle(parseInt((gamma - (-80)) * (180 - 0) / (80 - (-80)) + 0));
})
</script>
</body>
</html>