ATTINY85 Micro USB Development Board Digispark

Description

The ATTINY85 Micro USB Development Board, widely known as the Digispark, is a compact, affordable, and fully-featured microcontroller development board perfect for hobbyists, educators, and makers looking for a small-scale solution for quick projects.

✨ Key Features and Specifications

This board is a minimalist yet powerful alternative to larger development boards, utilizing the potent Atmel ATTINY85 microcontroller.

• Microcontroller: Atmel ATTINY85
• Operating Voltage (VCC): $5V$ (USB powered) or external $7V-35V$ (automatic selection)
• Digital I/O Pins: 6 (with various capabilities)
  • $P0$: $PWM$ (Timer1), $ADC3$, $DA$ (Data $\pm$ for USB)
  • $P1$: $PWM$ (Timer0), $ADC2$, $DA$ (Data $\pm$ for USB)
  • $P2$: $ADC1$, $SCK$ (SPI)
  • $P3$: $ADC0$, $DIN$ (SPI)
  • $P4$: $PWM$ (Timer1), $MISO$ (SPI)
  • $P5$: $MOSI$ (SPI), Reset Pin (can be disabled)
• Flash Memory: $8KB$ (about $6KB$ available after bootloader)
• SRAM: $512$ Bytes
• EEPROM: $512$ Bytes
• Clock Speed: $16.5MHz$ (via internal oscillator)
• USB Interface: Integrated Micro USB port for power, programming, and basic serial communication.
• Programming: Compatible with the Arduino IDE (requires installation of the Digispark board package).

💡 Why Choose the Digispark?

• Ultra-Compact Size: Its small footprint makes it ideal for embedding into tight spaces, wearables, and miniaturized projects where larger boards like the Arduino Uno won’t fit.
• Cost-Effective: One of the most budget-friendly development boards available, allowing for mass deployment in simple applications.
• Arduino-Compatible: Leverage the vast resources, libraries, and ease of use of the Arduino ecosystem for quick prototyping.
• Onboard USB: Eliminates the need for an external programmer, simplifying the development process—just plug it into your computer’s USB port.

🔌 Applications

The Digispark is perfect for:

• Quick LED/Neopixel control projects
• Creating simple USB devices (like basic keyboards or mouse controllers)
• Miniature sensors and data loggers
• Wearable electronics
• Educational tools for learning microcontrollers

Get started with this tiny powerhouse and bring your miniature electronics projects to life!