All Products

SKU: AF-2488

The Adafruit METRO 328 is a fully assembled, Arduino UNO R3-compatible development board powered by the ATmega328P running at 16 MHz. It's shape and pin-compatible with Arduino UNO R3 shields, and works directly with the Arduino IDE by selecting "Arduino UNO" in the Boards menu. This version come...

SKU: EC-ELE18721S

An Arduino UNO R3 compatible development board from Elecrow, built around the ATmega328P microcontroller with an ATmega16U2 for USB communication. Fully compatible with the Arduino IDE and the vast ecosystem of Arduino shields, libraries, and tutorials — a great starting point for learning electr...

SKU: DF-DFR0216-2 · MPN: DFR0216-2

This compact DFRobot microcontroller bundle is designed for learning, prototyping and physical computing projects. The DFRduino Uno V3.0 is fully compatible with Arduino UNO R3 and the Arduino IDE open-source development environment, which uses the Processing / Wiring language.The board is based ...

SKU: AF-50

We sure love the ATmega328 here at Adafruit, and we use them a lot for our own projects. The processor has plenty of GPIO, Analog inputs, hardware UART SPI and I2C, timers and PWM galore - just enough for most simple projects. When we need to go small, we use a Metro Mini or a Trinket M0,...

SKU: YH-6000100024

The UNO R3 is an ATmega328P-based microcontroller board with a CH340G USB-to-serial chip, making it a reliable and affordable option for learning electronics and building Arduino projects. Simply connect it to your computer via the included USB cable, upload your sketch, and start creating. With...

SKU: SF-DEV-18158 · MPN: DEV-18158

This Arduino-compatible development board keeps the familiar Uno-style layout while adding a few genuinely handy upgrades for modern projects. Built around the ATmega328P, it works with the Arduino IDE and fits the Uno R3 footprint, so it is a straightforward choice if you want broad compatibilit...

SKU: AF-1141

The Adafruit Data Logging Shield makes it easy to save sensor data to an SD card with accurate timestamps. It combines an SD card interface with a real-time clock (RTC) and a prototyping area on an Arduino-compatible shield, so you can be logging data within minutes of setup. This R3-compatible ...

SKU: PI-A000073

The board everybody gets started with, with the ATmega328 (SMD). It has 14 digital IO pins (6 can be used as PWM outputs), 6 analog inputs, a 16 MHz crystal oscillator, a USB connection, a power jack, and more. The Arduino Uno SMD R3 is a microcontroller board based on the ATmeg...

SKU: AF-3345

The Adafruit Metro Starter Pack is the perfect beginner kit for learning electronics and Arduino programming. Built around the Adafruit Metro 328 (ATmega328-based, Arduino UNO R3-compatible), this pack includes everything you need — except tools — to follow along with introductory tutorials and s...

SKU: EC-ELE18714S

A complete beginner's kit for getting started with Arduino. Built around the UNO R3 development board, this kit bundles everything you need for your first electronics and programming projects — LEDs, resistors, a breadboard, jumper wires, buttons, sensors, and more, all in one package. Fully com...

SKU: DF-DFR0181

This is the new Arduino Uno Rev 3. In addition to all the features of the previous board, the arduino Uno Rev 3 now uses an ATmega16U2 instead of the 8U2 found on the Uno (or the FTDI found on previous generations). This allows for faster transfer rates and more memory. No drivers needed for Linu...

SKU: SF-DEV-11021

The Arduino Uno R3 is the most popular Arduino board and an ideal starting point for learning electronics and programming. Built around the ATmega328 microcontroller, it offers a robust platform for prototyping, interactive projects, and connecting to sensors, actuators, and other hardware. The ...

SKU: YH-6000200060

The Yahboom Smartduino is a 2-in-1 Arduino starter kit and smart robot car based on the Arduino Uno R3. It comes with a high-quality integrated circuit board chassis, two breadboard platforms, and a comprehensive collection of sensors and components — letting you work through 20 beginner electron...

SKU: LB-LR0317

1x 400 pt breadboard1x USB Cable1x UNO R3 Board1x Protoshield65x Jumper Wires1x SG90 Servo1x DC Motor5x PN2222 Transistors5x BC557 PNP5x BC547 NPN2x LDR sensor5x 1N4001 Diodes1x stepper Motor1x UNL2003 driver board1x 74hc595 MAX7219 Chip1x L293D Chip1x Channel Relay1x HC-SR04 Ultrasonic Range Fin...

SKU: SF-DEV-11224

This is the new Arduino Uno R3. In addition to all the features of the previous board, the Uno now uses an ATmega16U2 instead of the 8U2 found on the Uno (or the FTDI found on previous generations). This allows for faster transfer rates and more memory. No drivers needed for Linux or Mac (inf fil...

SKU: KI-5313

The Kitronik Inventor's Kit for Arduino is a great way to get started with programming and hardware interaction with the Arduino. This Inventor's Kit contains everything you need to complete 10 experiments including using LEDs, motors, LDRs and capacitors. Arduino is an open-source code-able e...

SKU: LB-00056

The Funduino UNO R3 is an Arduino Uno-compatible development board based on the ATmega328 microcontroller. It is functionally identical to the Arduino Uno R3, featuring the ATmega16U2 USB controller, SDA and SCL pins next to the AREF header, and an accessible reset button near the USB connector. ...

SKU: PL-2191

Note: This product is manufactured in Italy by affiliates of Arduino Srl, and the product packaging suggests downloading the Arduino IDE from arduino.org. However, we use and recommend using the normal Arduino IDE from arduino.cc, which is the IDE we ensure our Arduino libraries work with. Ard...

SKU: AF-196

The Proto-ScrewShield is a dual-purpose Arduino prototyping shield that combines a large through-hole prototyping area with screw terminal breakouts for every Arduino pin. Instead of soldering wires directly, you get sturdy, reliable screw terminals — making it easy to connect and disconnect exte...

SKU: EC-ACM82664A

The Crowduino UNO ESP8266 combines an Arduino UNO-compatible microcontroller with an onboard ESP8266 WiFi module in a single, compact board. Instead of wiring a separate WiFi shield or module, you get integrated wireless connectivity right out of the box. Built around the ATmega328 running at 16...