ATTINY85 USB Development Board

ATTINY85 USB Development Board is a compact, cost-effective, and highly versatile microcontroller platform designed for beginners, hobbyists, educators, and embedded system developers. Featuring the powerful 8-bit ATtiny85 AVR microcontroller, this development board offers an excellent balance of performance, simplicity, and flexibility—making it ideal for small-scale electronics projects, prototyping, and learning embedded C programming.

Unlike traditional microcontroller boards, this ATTINY85 module includes a built-in USB interface, allowing easy plug-and-play programming without the need for an external programmer. Its ultra-small form factor, low power consumption, and wide operating voltage range make it suitable for compact and battery-powered applications.

Whether you’re designing smart wearables, DIY automation projects, LED drivers, IoT prototypes, or electronic gadgets, the ATTINY85 USB Development Board delivers impressive capability in a tiny size.

Key Specifications

• Microcontroller: ATtiny85 (8-bit AVR architecture)

• Operating Voltage: 5V via USB

• Clock Speed: 16 MHz (software-configurable)

• Flash Memory: 8 KB (6 KB available for user code)

• SRAM: 512 bytes

• EEPROM: 512 bytes

• I/O Pins: 6 GPIO pins (configurable for PWM, ADC, I2C, SPI)

• PWM Channels: 2

• Analog Inputs: 4 ADC channels (10-bit resolution)

• Communication: USB (via onboard micro-USB), I2C, SPI, UART (software)

• Bootloader: Preloaded with Micronucleus bootloader

• Power Supply: USB powered (5V)

• Programming Support: Arduino IDE, AVR-GCC, PlatformIO

• Dimensions: Ultra-compact form factor suitable for portable electronics

Features

1. USB Plug-and-Play Programming

The board comes with an integrated USB interface, enabling seamless programming without an external AVR programmer. Simply connect it to your laptop or PC, upload your code, and start experimenting within seconds.

2. Ultra-Compact & Portable Design

With its micro-sized form factor, the ATTINY85 USB Development Board fits easily into miniature enclosures, wearable gadgets, and space-constrained electronics.

3. Arduino IDE Compatible

Fully compatible with the Arduino ecosystem, you can program the board using the intuitive Arduino IDE. This makes it an excellent platform for students, makers, and hobbyists.

4. Low Power Consumption

Designed for battery-powered projects, the ATTINY85 offers various power-saving modes, enabling long-term use in portable and IoT applications.

5. Versatile Peripheral Support

The microcontroller supports PWM, ADC, I2C, SPI, and software UART functionalities—allowing integration with sensors, displays, motors, and communication modules.

6. Preloaded Bootloader for Instant Use

Ships with the Micronucleus bootloader so you can upload sketches immediately after connecting via USB—no additional setup required.

7. Robust Performance for Its Size

With an 8 KB Flash, 16 MHz clock, and AVR architecture, the ATTINY85 offers stable and reliable performance for embedded systems and automation tasks.

Applications

The ATTINY85 USB Development Board is ideal for a wide range of DIY, educational, and professional projects, including:

• IoT and Smart Home Devices

Create Wi-Fi enabled sensors, mini controllers, temperature monitors, and home automation modules.

• Wearable Electronics

Its compact size makes it perfect for fitness trackers, smart badges, LED wearables, and compact data loggers.

• LED & Lighting Projects

Drive RGB LEDs, NeoPixels, LED strips, and create patterns using PWM outputs.

• Robotics & Automation

Use it for simple robots, servo controllers, mini motor drivers, and embedded control systems.

• Educational & DIY Hobby Projects

A great learning tool for understanding microcontrollers, programming, electronics fundamentals, and embedded systems.

• Consumer Gadget Prototyping

Design compact electronic gadgets like USB testers, IR remotes, timers, sound-reactive devices, and more.

The ATTINY85 USB Development Board is a powerful, beginner-friendly, and space-efficient microcontroller board perfect for learning, prototyping, and deploying small electronic projects. With built-in USB support, Arduino compatibility, and a rich set of peripherals, it offers exceptional value for students, makers, and embedded developers seeking a compact yet capable development platform.