14 (6 provide PWM output for things like dimming LEDs).

6 (for reading continuous data like temperature). Clock Speed: 16 MHz. Memory: 32 KB Flash (for your code) and 2 KB SRAM. 🛠️ Getting Started in 3 Easy Steps Arduino Uno Basics: Beginner's Guide to Getting Started

The Arduino UNO: Your Ultimate Entry Into Electronics The Arduino UNO is widely considered the "gold standard" for anyone starting their journey in electronics and coding. Whether you're a student, hobbyist, or professional, this small board packs enough punch to power everything from a simple blinking light to complex robotics. ⚡ What Makes the UNO Special? The Arduino UNO R3 Go to product viewer dialog for this item.

is an open-source microcontroller board based on the chip. It acts as the "brain" of your project, reading inputs (like a button press or light sensor) and turning them into outputs (like turning on a motor or sending a message online). Key Specs at a Glance: Microcontroller: ATmega328P (8-bit AVR family).