attiny85 usb devolopment board

Product Description – ATtiny85 USB Development Board

🔑 Key Features

• Microcontroller: ATtiny85 (8‑bit AVR RISC architecture)
• Operating Voltage: 5V
• Clock Speed: 16.5 MHz (internal oscillator)
• Flash Memory: 8 KB (6 KB usable after bootloader)
• SRAM: 512 bytes
• EEPROM: 512 bytes
• I/O Pins: 6 (digital, analog, PWM configurable)
• PWM Outputs: 3 (expandable via software PWM)
• Analog Inputs: 4 (10‑bit resolution)
• Communication: I²C, SPI (via USI), USB (software‑defined V‑USB)
• USB Interface: Direct plug‑in with Micronucleus bootloader (no external programmer needed)
• Power Supply: USB or external 6V–35V DC
• Onboard Regulator: 150mA, 5V for stable power supply
• Size: Ultra‑compact (~25mm × 18mm)

⚙️ Advantages

• Plug‑and‑play USB programming without cables or external programmers
• Compact design smaller than a USB flash drive
• Low cost and efficient for small projects
• Supports Arduino IDE (Windows, Mac, Linux)
• Onboard LEDs for power and status/debugging

📦 Applications

• Miniature IoT devices
• Wearables and embedded electronics
• USB HID devices (keyboard/mouse emulation)
• Automation and sensor projects
• Educational prototyping