ATtiny85 Digispark Micro Dev Board – USB, Type-C & IIC

ATtiny85 Digispark Kickstarter Micro Development Board

Meet the ATtiny85 Digispark Micro Development Board — a compact, beginner-friendly microcontroller board based on the ATtiny85 chip. Whether you're prototyping a small automation project, building a custom HID device, or exploring embedded programming with Arduino-compatible toolchains, this tiny powerhouse punches well above its size. Available in four variants: ATtiny85 Blue, ATtiny85 Black, ATtiny85 Type-C, and ATtiny85 Connector.

Key Features

• ATtiny85 Microcontroller — 8-bit AVR core running up to 16.5 MHz with onboard USB communication
• 4 Variants Available — Classic Blue, Black, Type-C USB, and Connector (I²C/IIC header) editions
• Arduino IDE Compatible — Program it just like an Arduino using the Digispark board manager
• Built-in USB Interface — Standard USB (Blue/Black) or modern Type-C port for easy flashing and power
• I²C / IIC Support — Connector variant includes IIC header for sensor and display modules
• Ultra Compact Form Factor — Fits into tight enclosures and wearable projects with ease
• 6 GPIO Pins — PWM, ADC, SPI, and I²C capabilities in one tiny package
• On-board 5V Regulator — Powers from USB directly; no external power supply needed
• Low Power Modes — Ideal for battery-powered or energy-conscious embedded applications

Specifications

What's in the Box

• 1× ATtiny85 Digispark Micro Development Board (variant of your choice)

Perfect For

• Arduino beginners exploring microcontroller programming
• Makers building compact USB HID devices (keyboards, mice, game controllers)
• Embedded engineers prototyping sensor interfacing via I²C
• Wearable electronics and space-constrained enclosures
• Students and educators in electronics/coding courses

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Frequently Asked Questions

Q: What is the ATtiny85 Digispark Micro Development Board and what can I build with it?

A: The ATtiny85 Digispark is a miniature Arduino-compatible microcontroller board powered by the Atmel ATtiny85 chip. You can use it to build USB HID devices (like custom keyboards or automation dongles), read sensor data over I²C, control LEDs, drive small motors, and much more — all programmed directly from the Arduino IDE.

Q: What are the differences between the four variants (Blue, Black, Type-C, Connector)?

A: The Blue and Black variants are identical in function and differ only in PCB color, both using a standard USB-A plug. The Type-C variant replaces the USB-A plug with a modern USB-C port for easier connectivity with current laptops and chargers. The Connector variant exposes dedicated IIC/I²C header pins, making it ideal for projects that integrate I²C sensors, OLED displays, or other modules without extra wiring.

Q: How do I program the ATtiny85 Digispark board with the Arduino IDE?

A: Install the Arduino IDE, then add the Digispark board URL in the Board Manager preferences. Select "Digispark (Default - 16.5mhz)" from the boards list, write your sketch, click Upload, and plug the board into your USB port when prompted. The onboard bootloader handles the rest — no external programmer needed.

Q: Is this board compatible with standard Arduino libraries?

A: Many standard Arduino libraries work with the ATtiny85 Digispark, though libraries that rely on hardware Serial or large memory footprints may need lightweight alternatives (e.g., TinyWireM for I²C, SoftSerial for serial communication). The active Digispark community maintains a wide range of compatible libraries.

Q: What power supply does the Digispark ATtiny85 board require?

A: The board is powered directly via its USB port (5V). An onboard voltage regulator ensures stable operation. No separate power supply or adapter is required during normal use — just plug it into any USB port or 5V USB charger.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.