Micro USB LilyTiny LilyPad ATtiny85 Development Board Wearable Module Arduino - Image 1
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Micro USB LilyTiny LilyPad ATtiny85 Development Board Wearable Module Arduino

Digispark ATTINY85 Micro USB Development Board – Arduino Compatible
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Description

Introducing the Micro USB LilyTiny LilyPad ATtiny85 Development Board – Your Ideal Wearable Arduino Solution!

Unlock the potential of compact innovation with our LilyTiny LilyPad ATtiny85 Development Board. Designed for wearables, this professional-grade board boasts exceptional features to power your creative projects.

Key Features:

  • Micro USB Convenience: Effortlessly connect and power up your LilyTiny LilyPad via micro USB, simplifying setup and usage.
  • High Program Memory: Enjoy 8K bytes of in-system programmable flash memory, providing ample space for your coding ventures.
  • Versatile EEPROM: Benefit from 512 bytes of in-system programmable EEPROM, preserving data even when powered off.
  • Swift Internal SRAM: With 512 bytes of internal SRAM, experience smoother data processing and quicker execution.
  • Compact Design: The board’s sleek circular design, with a diameter of 25mm, ensures it seamlessly integrates into your wearable projects.

Elevate your wearables with this LilyTiny LilyPad ATtiny85 Development Board – a compact powerhouse for your Arduino ambitions.

Package Contents:

  • 1 x LilyTiny LilyPad ATtiny85 Development Board: The perfect wearable companion for your professional projects.

Experience innovation in a compact form. Order your LilyTiny LilyPad ATtiny85 Development Board today and step into a world of limitless creativity!

📌 Code Examples & Usage – LilyTiny / LilyPad ATtiny85 Wearable Board (Micro-USB)

📋 Overview

The LilyTiny (ATtiny85) is a small, low-power wearable development board designed for e-textiles, wearable electronics, and compact projects.
It features sewable pads, a micro-USB connector, and is compatible with the Arduino IDE.

⚠ Important:
Unlike most Arduino boards, the ATtiny85 uses a special upload procedure and does not appear as a serial COM port.

⚙ Key Features

  • MCU: ATtiny85

  • Clock speed: 8 MHz (internal)

  • Operating voltage: 5V via Micro-USB

  • Logic level: 5V

  • Flash: 8 KB

  • Very low power consumption

  • Sewable pads for wearable projects

⚠ IMPORTANT – Read Before Uploading

🚨 Special upload procedure required

  • Code is uploaded via USB bootloader (V-USB / Digispark-style)

  • The board must NOT be plugged in when clicking Upload

  • Arduino IDE will prompt you to plug it in at the correct time

🚨 No Serial Monitor

  • ATtiny85 does not support Serial.print()

  • Use LEDs or other indicators for debugging

🛠 Arduino IDE Setup (Required)

1️⃣ Install ATtiny Board Support

In Arduino IDE:

  1. File → Preferences

  2. Add this to Additional Boards Manager URLs:

https://raw.githubusercontent.com/damellis/attiny/ide-1.6.x-boards-manager/package_damellis_attiny_index.json

  1. Tools → Board → Boards Manager

  2. Install ATtiny by David A. Mellis

2️⃣ Board Settings

Set the following before uploading:

  • Board: ATtiny25/45/85

  • Processor: ATtiny85

  • Clock: Internal 8 MHz

  • Programmer: USBtinyISP (used for compatibility)

📌 These settings are critical — wrong clock = failed upload.

⏫ Special Upload Procedure (VERY IMPORTANT)

  1. Unplug the LilyTiny board

  2. Click Upload in Arduino IDE

  3. Wait until you see:

    “Plug in device now…”

  4. Plug the board into USB

  5. Upload will complete automatically

❌ If you plug it in too early, the upload will fail
❌ If upload fails, unplug, wait 5 seconds, and try again

🧪 1️⃣ First Test – Blink LED

int ledPin = 1; // PB1

void setup() {
pinMode(ledPin, OUTPUT);
}

void loop() {
digitalWrite(ledPin, HIGH);
delay(500);
digitalWrite(ledPin, LOW);
delay(500);
}

📌 Use any sewable pad connected to PB1 / PB0.

🧵 2️⃣ Wearable LED Example

int ledPin = 0; // PB0

void setup() {
pinMode(ledPin, OUTPUT);
}

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

✔ Perfect for sewable LED + conductive thread projects

🔋 Power & Wearable Notes

Power Method Notes
Micro-USB Programming & testing
Coin cell Low-power designs only
LiPo (regulated) Best for wearables

📌 Remove power before sewing or washing garments.

🧠 Common Issues & Fixes

Issue Cause Fix
Upload fails Plugged in too early Follow timing steps
Board not detected No COM port Normal behavior
Sketch too large Flash limit Keep code small
No serial output ATtiny limitation Use LED debugging

Additional information

Weight 30 g
Dimensions 260 × 160 × 20 mm

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