ATtiny85 Micro USB Development Board

The ATtiny85 Micro USB Development Board is a compact, low-cost microcontroller board based on the ATtiny85 AVR 8-bit chip. It is similar to Arduino boards but much smaller and designed for simple embedded and space-constrained applications. The board features a built-in micro USB interface, allowing direct programming without any external programmer, and is fully compatible with the Arduino IDE, making it ideal for beginners, hobbyists, and lightweight IoT projects.

Technical Specifications:

• Microcontroller: ATtiny85 (AVR 8-bit)
  
• Operating Voltage: 2.7V – 5.5V
  
• Clock Speed: Up to 20 MHz
  
• Flash Memory: 8 KB (approx. 6 KB usable)
  
• SRAM: 512 Bytes
  
• EEPROM: 512 Bytes
  
• Digital I/O Pins: Up to 6
  
• Analog Inputs: 4 (10-bit ADC)
  
• PWM Outputs: 2–3 channels
  
• Communication Interfaces: I2C, SPI (via USI)
  
• Power Supply: Micro USB or external 6–35V DC (regulated to 5V)

Features:

• Compact and lightweight design suitable for embedded systems
  
• Built-in micro USB for direct programming and power
  
• Compatible with Arduino IDE (no external programmer required)
  
• Low power consumption, ideal for battery-powered applications
  
• Multiple I/O configurations (digital, analog, PWM)
  
• Supports I2C and SPI communication
  
• Onboard voltage regulator and status LEDs
  
• Cost-effective alternative to larger Arduino boards

Applications:

• USB-based microcontroller projects and HID devices
  
• Small embedded systems and IoT applications
  
• Home automation and control systems
  
• DIY electronics and educational projects
  
• Sensor interfacing and data logging
  
• Wearable and low-power portable devices
  
• Prototyping where space and cost are critical