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Making a Color-Changing LilyPad Patch
Ed

Nilikha ni

Ed

13. Hulyo 2026FI
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Making a Color-Changing LilyPad Patch

Sew a patch that glows in any color. A single RGB LED holds red, green and blue elements; by fading each one with the microcontroller's PWM pins you mix millions of colors and cycle through the rainbow. The e-textile version of the classic RGB colour-mixing project.

Katamtaman
1-2 hours

Mga Tagubilin

1

Sew the board and RGB LED

Sew a LilyPad Arduino onto felt. The RGB LED has four legs — bend each into a small loop so it can be sewn. Wire the common cathode (the longest leg) to -, and the red, green and blue legs to pins 5, 6 and 9. Keep the four lines from touching each other.

Mga materyales para sa hakbang na ito:

LilyPad Arduino Simple BoardLilyPad Arduino Simple Board1 piraso
LED - RGB Diffused Common Cathode - 5mmLED - RGB Diffused Common Cathode - 5mm1 piraso
Conductive Thread - 60g (Stainless Steel)Conductive Thread - 60g (Stainless Steel)1 ikiran
Plantsa ng peltrong lanaPlantsa ng peltrong lana1 pilyego

Mga kailangang kasangkapan:

Karayom sa pananahiKarayom sa pananahi
2

Connect the programmer

Plug the LilyPad FTDI onto the programming header and connect the USB cable. Open the Arduino IDE and select the LilyPad Arduino board and its serial port.

Mga kailangang kasangkapan:

Kompyuter na May Arduino IDEKompyuter na May Arduino IDE
LilyPad FTDI Basic Breakout - 5VLilyPad FTDI Basic Breakout - 5V
Kableng USB-BKableng USB-B
3

Upload the color-mixing sketch

Paste this sketch and upload. It fades the LED through red, green, blue and the mixes using analogWrite (PWM).

lilypad_color_changing.inoarduino
// Mix colors on a common-cathode RGB LED.
// Red/Green/Blue legs on PWM pins 5, 6, 9; common cathode to - (GND).

const int RED_PIN = 5;
const int GREEN_PIN = 6;
const int BLUE_PIN = 9;

void setColor(int r, int g, int b) {
  analogWrite(RED_PIN, r);     // 0 = off, 255 = full
  analogWrite(GREEN_PIN, g);
  analogWrite(BLUE_PIN, b);
}

void setup() {
  pinMode(RED_PIN, OUTPUT);
  pinMode(GREEN_PIN, OUTPUT);
  pinMode(BLUE_PIN, OUTPUT);
}

void loop() {
  setColor(255, 0, 0);   delay(500);  // red
  setColor(0, 255, 0);   delay(500);  // green
  setColor(0, 0, 255);   delay(500);  // blue
  setColor(255, 255, 0); delay(500);  // yellow
  setColor(0, 255, 255); delay(500);  // cyan
  setColor(255, 0, 255); delay(500);  // magenta
  setColor(255, 255, 255); delay(500);// white
}
4

Watch it cycle, then mix your own

The LED fades through the colors on its own. Make your own by changing the three numbers in setColor(red, green, blue) — each 0–255. Note: at the LilyPad's lower voltage blue and green look a little dimmer than red, which is normal for RGB LEDs.

5

Go wireless and wear it

Plug a 3.7 V LiPo into the LilyPad Arduino's JST connector and switch on — the higher voltage also makes the colors brighter. Sew the felt onto a bag or costume for a colour-changing glow.

Mga materyales para sa hakbang na ito:

LiPo Battery 3.7V 1000mAh (JST Connector)LiPo Battery 3.7V 1000mAh (JST Connector)1 piraso

Mga Materyales

5

Mga Kinakailangang Kasangkapan

4
Tinatayang Kabuuan
Ang binili ng gumawa. Ang mga materyales na walang presyo ay kukunin mo kung saan ka bibili.
$88.19

Kaugnay na Blueprint

Ang mga blueprint na ito ay nagbabahagi ng kaalaman — mga teknik, materyales, o prinsipyo

Blinking an LED with LilyPad Arduino

Blinking an LED with LilyPad Arduino

ni EdFI

MGA WEARABLE

43
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Driving an RGB LED — SIK Circuit 3

Driving an RGB LED — SIK Circuit 3

ni EdFI

Digital

100
0
0
0
0
0

CC0 Pampublikong Domain

Ang blueprint na ito ay inilabas sa ilalim ng CC0. Malaya kang kumopya, magbago, mamahagi, at gumamit nang walang pahintulot.

Suportahan ang Maker sa pamamagitan ng pagbili ng mga produkto sa kanilang Blueprint Komisyon ng Maker itinakda ng mga Vendor, o lumikha ng bagong bersyon ng Blueprint na ito at isama bilang koneksyon sa iyong Blueprint upang ibahagi ang kita.

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