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: 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: 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: 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: 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: 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...

SKU: SF-DEV-15164

The SparkFun Qwiic OpenLog is an I²C-based data logger that stores serial data to a microSD card. Based on the popular OpenLog, this version replaces the serial interface with I²C and Qwiic connectors, allowing you to daisy-chain multiple sensors and log data without occupying your serial port. ...

SKU: SF-DEV-10524

The name says it all on this one. An ATmega328 in DIP package, pre-loaded with the Arduino Optiboot (Uno 16MHz) Bootloader. This will allow you to use Arduino code in your custom embedded project without having to use an actual Arduino board. To get this chip working with Arduino IDE, you wi...

SKU: SF-DEV-15123

The SparkFun RedBoard Qwiic is an Arduino-compatible development board in the UNO R3 form factor with a built-in Qwiic connector for solderless I2C hookup. It programs over USB Micro-B using the Arduino IDE — select "Arduino UNO" from the board menu and you're ready to go. Key improvements over ...

SKU: DF-DFR0216

DFRduino Uno V3.0 from DFRobot is a physical world computing board of small size for academics or development . It is a simple microcontroller board fully compatible with Arduino UNO R3 and Arduino IDE open-source development environment. This environment implements the Processing / Wiring ...

SKU: LB-LR0064

The KnockOffDuino® Uno is functionally the same as the Arduino Uno R3 at a fraction of the cost. It is the Arduino for beginners and 100% Uno compatible, however it uses the CH340G usb to serial chip instead of the 16u2/8u2 found in the official Arduino Uno R2/R3 so instead of the Arduino Uno ...

SKU: SF-COM-11442

The SparkFun 7-Segment Serial Display combines a 4-digit 7-segment LED display with an ATmega328 microcontroller, allowing you to control every segment using just a few serial lines. It supports three communication interfaces — Serial TTL, SPI, and I²C — making it easy to integrate into a wide ra...

SKU: AF-2590

The Adafruit Metro Mini 328 packs the same ATmega328P power as a full-sized Metro into a tiny breadboard-friendly form factor. Running at 16 MHz with 5V logic, it's pin-compatible with Arduino UNO R3 and works with the Arduino IDE by selecting "Arduino UNO" in the Boards menu. For the latest revi...

SKU: SF-DEV-13712

The SparkFun OpenLog is an open-source serial data logger based on the ATmega328 running at 16 MHz. It logs incoming serial data directly to a microSD card, supporting cards from 64 MB to 64 GB in FAT16 or FAT32 format. Simply connect a serial line from your project to the OpenLog, and all transm...

SKU: AF-2077

The Adafruit Proto Shield for Arduino (R3) is a versatile prototyping shield with a 0.1" grid, power rails, indicator LEDs, and stacking headers — everything you need to build custom circuits on top of your Arduino. Version R3 is compatible with virtually all Arduino boards including UNO, Mega, L...