USB Digispark Attiny85 Development Board

  • ATtiny85 Microcontroller: Features 8KB of flash memory and 6 I/O pins.
  • USB Connectivity: Directly connects to a computer for programming and power.
  • Compact Size: Small footprint ideal for projects with space constraints.
  • Arduino IDE Compatible: Easily programmable using the Arduino IDE.
  • Versatile Applications: Suitable for IoT, embedded systems, and educational projects.



The USB Digispark Attiny85 Development Board is a compact, versatile microcontroller board based on the ATtiny85 microchip. Designed to be easily programmable via USB, it is ideal for small-scale projects and applications where space is limited. Despite its small size, this board packs a punch with its capabilities, making it popular among hobbyists, students, and professionals alike for prototyping and embedded system development.

Key Features

  • ATtiny85 Microcontroller: Features the ATtiny85 chip with 8KB of flash memory and 6 I/O pins.
  • USB Connectivity: Directly connects to a computer via USB for programming and power supply.
  • Compact Size: Small footprint, suitable for projects with space constraints.
  • Built-in USB Bootloader: Allows easy programming without requiring additional hardware.
  • Programmable: Supports programming using the Arduino IDE, making it accessible for beginners.
  • Low Power Consumption: Operates on minimal power, suitable for battery-operated projects.
  • GPIO Pins: Provides 6 general-purpose I/O pins for interfacing with sensors, actuators, and peripherals.
  • Open-Source: Offers open-source hardware and software, fostering a supportive community for sharing projects and resources.


  • IoT Devices: Ideal for building Internet of Things (IoT) devices due to its small size and USB connectivity.
  • Embedded Systems: Used in various embedded system projects where size and power consumption are critical.
  • Educational Purposes: Perfect for learning microcontroller programming and electronics.
  • DIY Projects: Suitable for hobbyists and makers creating custom electronic gadgets.
  • Automation: Used in automation and control applications for prototyping and testing.

Technical Specifications

  • Microcontroller: ATtiny85
  • Flash Memory: 8KB
  • RAM: 512 bytes
  • Digital I/O Pins: 6
  • Analog Input Pins: 4 (shared with digital I/O)
  • Operating Voltage: 5V
  • Input Voltage (recommended): 7-12V
  • Input Voltage (limits): 6-15V
  • DC Current per I/O Pin: 40 mA
  • DC Current for 3.3V Pin: 150 mA
  • Clock Speed: 16 MHz (using internal oscillator)


  • Compact Design: Fits into small enclosures and projects with limited space.
  • Easy Programming: Simplified programming process via USB with Arduino IDE.
  • Cost-Effective: Affordable solution for prototyping and small-scale production.
  • Versatile: Supports a wide range of applications with its GPIO pins and USB connectivity.
  • Community Support: Extensive online resources and community forums for assistance and project ideas.

How to Use

  1. Connect to USB: Plug the board into a USB port on your computer.
  2. Install Drivers: If necessary, install the Digispark drivers on your computer.
  3. Programming: Use the Arduino IDE to write and upload code to the Digispark.
  4. Interfacing: Connect sensors, actuators, or other components to the I/O pins as needed.
  5. Powering: Use the USB connection for power or connect an external power supply to the board.

Why Choose USB Digispark Attiny85 Development Board?

The USB Digispark Attiny85 Development Board offers a powerful yet compact solution for prototyping and developing embedded systems. With its USB connectivity, ease of programming, and small form factor, it is an excellent choice for projects where space and simplicity are key factors.

Explore the possibilities with the USB Digispark Attiny85 Development Board. Perfect for compact projects, IoT devices, and learning electronics.

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