Recommended Arduino microcontrollers
A selection of Arduino boards for beginners, IoT projects, robotics, and high-performance applications.
Arduino Uno R4 Minima
Arduino Uno R4 Minima
Arduino Uno R4 Minima
Arduino Uno R4 Minima
Sources4 Sources
Arduino Uno R4 Minima
Arduino Uno R4 Minima
Arduino Uno R4 Minima
Arduino Uno R4 Minima
Arduino Uno R4 Minima
Arduino Uno R4 Minima
Mi Sec
Mi Sec
Mi Sec
Arduino Uno R4 Minima
Arduino Uno R4 Minima
Arduino Uno R4 Minima
Best overall
Arduino Uno R4 Minima - Genuine Microcontroller
Arduino Uno R4 Minima - Genuine Microcontroller
Jameco Electronics
$
18
.
95
Best overall
Arduino Uno R4 Minima - Genuine Microcontroller
Arduino Uno R4 Minima - Genuine Microcontroller
Jameco Electronics
$
18
.
95
Arduino Uno R4 Minima combines a 32-bit Renesas RA4M1 processor, familiar Uno R3 compatibility, USB-C, an onboard LED matrix, and enhanced ADC and DAC capabilities.
Best for IoT
Geeekpi Starter Kit For Arduino UNO R4 Wifi, UNO R4 Wifi Board With Tutorial For Programming & 78PCS Components For Beginners & Engineers
Geeekpi Starter Kit For Arduino UNO R4 Wifi, UNO R4 Wifi Board With Tutorial For Programming & 78PCS Components For Beginners & Engineers
Amazon
$
71
.
99
$
79
.
99
Best for IoT
Geeekpi Starter Kit For Arduino UNO R4 Wifi, UNO R4 Wifi Board With Tutorial For Programming & 78PCS Components For Beginners & Engineers
Geeekpi Starter Kit For Arduino UNO R4 Wifi, UNO R4 Wifi Board With Tutorial For Programming & 78PCS Components For Beginners & Engineers
Amazon
$
71
.
99
$
79
.
99
Arduino Uno R4 WiFi pairs the RA4M1 with an ESP32-S3 coprocessor for Wi-Fi and Bluetooth, plus USB-C, CAN, a Qwiic connector, and a 12x8 LED matrix.
Best budget pick
Arduino Uno R3 DIP Edition Revision 3 Genuine Microcontroller
Arduino Uno R3 DIP Edition Revision 3 Genuine Microcontroller
Jameco Electronics
$
25
.
95
Best budget pick
Arduino Uno R3 DIP Edition Revision 3 Genuine Microcontroller
Arduino Uno R3 DIP Edition Revision 3 Genuine Microcontroller
Jameco Electronics
$
25
.
95
Arduino Uno R3 remains a widely supported beginner board with an ATmega328P processor, 5V logic, shield compatibility, and a large collection of existing tutorials.
Best for USB HID
Arduino Micro Based On Atmega32u4 32KB Flash
Arduino Micro Based On Atmega32u4 32KB Flash
Jameco Electronics
$
21
.
79
Best for USB HID
Arduino Micro Based On Atmega32u4 32KB Flash
Arduino Micro Based On Atmega32u4 32KB Flash
Jameco Electronics
$
21
.
79
Arduino Micro ATmega32U4 adds native USB HID capability to a compact ATmega328P-based board, enabling USB keyboard and mouse projects.
Best for breadboards
Arduino Nano V3.0 Breadboard-Ready Atmega328 Microcontroller
Arduino Nano V3.0 Breadboard-Ready Atmega328 Microcontroller
Jameco Electronics
$
24
.
95
Best for breadboards
Arduino Nano V3.0 Breadboard-Ready Atmega328 Microcontroller
Arduino Nano V3.0 Breadboard-Ready Atmega328 Microcontroller
Jameco Electronics
$
24
.
95
Arduino Nano V3 offers the familiar ATmega328P chip in a compact, breadboard-friendly footprint with USB Micro connectivity for small prototypes.
Best for high I/O
Arduino Mega 2560 Revision 3
Arduino Mega 2560 Revision 3
Jameco Electronics
$
44
.
49
Best for high I/O
Arduino Mega 2560 Revision 3
Arduino Mega 2560 Revision 3
Jameco Electronics
$
44
.
49
Arduino Mega 2560 provides 54 digital I/O pins and 16 analog inputs, making it a strong choice for CNC machines, 3D printers, and multi-joint robotic systems.
Beginner-Friendly Arduino BoardsA selection of Arduino boards that are easy to set up and program, ideal for those new to electronics and coding.
Arduino for RoboticsMicrocontrollers optimized for controlling motors, sensors, and actuators in robotics applications.
IoT-Ready Arduino BoardsBoards with built-in Wi-Fi, Bluetooth, or other connectivity options for Internet of Things projects.
Home Automation with ArduinoMicrocontrollers suited for controlling lights, appliances, and security systems in smart homes.
Wearable Tech Arduino BoardsCompact and low-power Arduino boards designed for integration into wearable devices.
Arduino for EducationEducational kits and boards designed to teach coding, electronics, and engineering concepts.
Arduino for DronesMicrocontrollers capable of handling flight control, sensors, and communication for drones.
Environmental Monitoring with ArduinoBoards and sensors for tracking temperature, humidity, air quality, and other environmental factors.
Arduino for 3D PrintingMicrocontrollers used to control motors, heaters, and sensors in 3D printers.
Prototyping with ArduinoVersatile boards for quickly testing and iterating on electronic designs.