ATTINY85 Digispark — miniature USB development board for Arduino projects

The Digispark ATTINY85 is a compact yet powerful microcontroller board based on the ATtiny85 chip. It connects directly to a USB port and is fully compatible with Arduino IDE. Ideal for small-scale projects, automation, and embedded electronics.

Features:

• Compatible with Arduino IDE 1.0+ (Windows/Mac/Linux)

• Power via USB or external 7–16 V source (auto-switching)

• On-board 150 mA / 5 V regulator

• Built-in USB and serial debugging support

• 6 I/O pins (2 reserved for USB when actively communicating)

• I²C and SPI via USI

• 3 PWM pins

• 4 ADC channels

• Power and status LEDs

Specifications:

• Microcontroller: ATtiny85

• Flash Memory: 8 KB (≈ 6 KB after bootloader)

• Clock Speed: 16.5 MHz

• Operating Voltage: 5 V

• Power Supply: USB or external 7–16 V

• IDE Support: Arduino IDE