Condition: New; free of high-concern chemicals

What it is: UNO R3–compatible development board based on the ATmega328P (16 MHz)

Easy setup: Stable, simple driver installation—including on Windows 7/8 64-bit—resolves common compatibility issues

Plug-and-play wiring: Added female pin sockets for effortless DuPont-wire connections

Reliable USB interface: Cost-efficient USB-to-serial solution for dependable uploading and communication

Beginner-friendly: Upload sketches easily; works with LEDs, buzzers, buttons, photoresistors, and more

Programming options: Supports ISP programming/download

I/O: 14 digital I/O pins (0–13) and 6 analog inputs (A0–A5)

Power options: USB power or 5–9 V DC external input

On-board outputs: Regulated 5 V and 3.3 V rails for sensors and modules