LilyTiny ATtiny85 Development Board – Ultra-Miniature Microcontroller

The LilyTiny ATtiny85 Development Board is a compact microcontroller platform designed for small embedded projects and wearable electronics. It is built around the ATtiny85 8-bit MCU, offering reliable performance, low power consumption, and straightforward programming through standard development tools. The board provides stable operation with consistent digital I/O behavior and compatibility with common Arduino-based workflows. ICSP programming pads are available on the back of the board for advanced users who need direct reprogramming access. It is suitable for miniature devices, sensor applications, portable electronics, and educational prototypes requiring a minimal form factor.

• ATtiny85 8-bit microcontroller core
•  Low-power operation suitable for battery-driven designs
•  Compact PCB layout optimized for wearable devices
•  Four digital I/O pins with stable signal behavior
• Onboard power regulation for consistent performance
• Compatible with Arduino IDE through standard programming tools
•  Supports simple PWM, I²C, and ADC functionality

• Microcontroller: ATtiny85, 8-bit
• Operating Voltage: 5 V DC
• Clock Frequency: 8 MHz (internal)
• Digital I/O Pins: 4 pins
• Analog Input: 1 ADC channel
• PWM Outputs: Up to 2 channels
• Programming Interface: ICSP pads (on back side)
• Power Consumption: Low-power operation suitable for battery use
• Board Dimensions:  25mm (diameter)
  
• Supported Platforms: Arduino IDE with ATtiny core

• Smart Coaster using ATtiny85 and mlx90615
• Download LilyTiny Blinking LED code

• Re-Programming the LilyTiny / LilyTwinkle