Digispark ATTiny85 General Development Board

The Digispark is an ATTiny85-based microcontroller board with built-in USB, designed for low-cost, space-efficient embedded applications. Compatible with Arduino IDE, it offers essential I/O capabilities for hobbyists and rapid prototyping.

SPECIFICATIONS:

• Microcontroller: ATTiny85

• Operating Voltage: 5V

• Input Voltage: 5V via USB or 7–35V external (auto selection)

• Flash Memory: 8KB (approx. 6KB usable after bootloader)

• SRAM: 512 bytes

• EEPROM: 512 bytes

• Clock Speed: 16.5 MHz (internal PLL)

• Digital I/O Pins: 6 (2 used for USB if active)

• PWM Pins: 3 (Pins 0, 1, 4)

• Analog Input Pins: 4 (Pins 2, 3, 4, 5)

• Communication: I2C and SPI via USI

• Power Regulation: 500mA 5V regulator

• Dimensions: ~26mm × 18.8mm

KEY FEATURES:

• Arduino IDE Support: Compatible with IDE 1.0+

• Plug-and-Play USB: No external programmer needed

• Compact Size: Tiny footprint for small projects

• Bootloader: Micronucleus for USB programming

• Low Power: ~5mA at 5V operation

⚠️ NOTE: If USB connection fails, the IC may lack the Digispark bootloader. Follow online tutorials to burn it correctly.

TYPICAL APPLICATIONS:

• Small sensor nodes

• LED lighting projects

• Wearable electronics

• USB gadgets

• Educational projects

PACKAGE INCLUDES:

• 1 x Digispark ATTiny85 Board