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Arduino boards (pick your main controller)
- Best classic starter board: Arduino Uno Rev 3 (ATmega328, Uno form factor) — $54.87.
- Alternative Uno options: Arduino Uno - R3 — $72.26 or Arduino Uno R3 (Atmega328 - assembled) — $34.14.
- Newer Uno generation: Arduino UNO R4 Minima — $52.36 or Arduino UNO R4 WiFi — $72.00 (adds Wi‑Fi).
- Compact/connected boards: Arduino Nano ESP32 — Wi‑Fi + Bluetooth (ESP32‑S3) for $52.36; or sensor-rich BLE option Arduino Nano BLE Sense Rev2 (Bluetooth 5.0 + onboard sensors) — $113.88.
- High-end hybrid Linux + MCU platform: Arduino UNO Q Development Board (4GB LPDDR4, 32GB eMMC) — $140.83.
Starter kits (best for beginners/classes)
- Official-style guided projects bundle: Arduino Starter Kit — 15 projects — $208.88.
- Value kit with lots of parts: Elecrow UNO R3 Starter Kit with Mulity Modules for Arduino — 200+ components — $81.82.
- Plug-and-play modular learning: Gravity: Starter Kit for Arduino — DFRduino UNO R3 + Gravity modules — $102.43; or Grove - Starter Kit for Arduino — Grove connector system + Base Shield — $90.86.
Handy add-ons & basics
- Prototyping essential: Arduino Jumper Cables (M/M) (65 Pack) — 65pcs — $6.82.
- Popular sensor for projects: Waterproof DS18B20 Digital Temperature Sensor For Arduino — waterproof temp probe — $10.36.
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Showing 61-80 of 92 products
Gravity: Arduino Heart Rate Monitor Sensor (ECG)
Adafruit PN532 NFC/RFID Controller Shield for Arduino + Extras
2.8 TFT Touch Shield for Arduino w/Capacitive Touch
Gravity: Arduino DC Micro Metal Gear Motor w/Driver - 30:1
Proto-Screwshield (Wingshield) R3 Kit for Arduino
Gravity: Photoelectric Arduino Water Liquid Level Sensor
Arduino CAN BUS Shield
Arduino Fio
Arduino Motor Shield R3
7 Segment LED Keypad Shield For Arduino
Gravity: Analog Turbidity Sensor For Arduino
LCD Keypad Shield V2.0 For Arduino
SPI/I2C Monochrome 60x32 0.5 OLED Display for Arduino
ATmega328 with Arduino Optiboot (Uno)
Make: Arduino Bots and Gadgets
W5500 Ethernet with POE IOT Board (Arduino Compatible)
Gravity: Laser PM2.5 Air Quality Sensor For Arduino
Beetle BLE - The smallest Arduino bluetooth 4.0 (BLE)
Arduino Pro 328 - 3.3V/8MHz
DFRduino Nano V3.1 (Arduino Nano Compatible)
Gravity: Arduino Heart Rate Monitor Sensor (ECG)
The DFRobot Gravity Heart Rate Monitor Sensor measures the electrical activity of the heart and outputs it as an analog signal. Built around the AD8232 chip, it filters and amplifies the ECG signal to produce a clean waveform from the PR and QT intervals — viewable in real time using the Arduino ...
Adafruit PN532 NFC/RFID Controller Shield for Arduino + Extras
The Adafruit PN532 NFC/RFID Controller Shield brings 13.56 MHz NFC and RFID capabilities to your Arduino. Built around the PN532 chipset — the most widely used NFC controller, found in virtually every NFC-enabled phone and device — it can read and write to NFC/RFID tags and cards of Type 1 throug...
2.8 TFT Touch Shield for Arduino w/Capacitive Touch
The 2.8" TFT Touch Shield with Capacitive Touch plugs directly into an Arduino and provides a bright, full-colour display with a smooth glass capacitive touchscreen and onboard MicroSD card socket. Fully assembled and ready to use — no wiring or soldering required. This shield uses SPI for the d...
Gravity: Arduino DC Micro Metal Gear Motor w/Driver - 30:1
INTRODUCTION An ordinary DC motor requires an H Bridge to work with a microcontroller such as an UNO. For newcomers to electronics, the process of finding the right motor driver, connecting it to the MCU and learning the relevant electronic theory can be confusing and frustrating when you ju...
Proto-Screwshield (Wingshield) R3 Kit for Arduino
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...
Gravity: Photoelectric Arduino Water Liquid Level Sensor
A photoelectric liquid level sensor that uses optical principles to detect the presence or absence of liquid. With no moving parts, it requires minimal calibration and offers high sensitivity and long service life. The corrosion-resistant polycarbonate probe handles temperatures from −25 °C to 10...
Arduino CAN BUS Shield
The Arduino CAN BUS Shield V2 brings Controller Area Network (CAN bus) communication to your Arduino. Built around the MCP2515 CAN controller, it supports both standard and extended frames for transmitting and receiving data over the CAN bus — the same protocol used in automotive, industrial, and...
Arduino Fio
The Arduino Fio (Funnel I/O) is a compact, wireless-friendly development board based on the ATmega328P. Designed by Shigeru Kobayashi and inspired by the LilyPad, the Fio includes a built-in lithium polymer battery connector with USB charging circuit, and an XBee socket on the underside for wirel...
Arduino Motor Shield R3
INTRODUCTION The Arduino Motor Shield is based on L298 (a dual full-bridge driver designed to drive inductive loads such as relays, solenoids, DC and stepping motors). It helps you drive two DC motors with Arduino board as well as control the speed and direction of the ...
7 Segment LED Keypad Shield For Arduino
An Arduino-compatible shield featuring a 4-digit 7-segment digital tube display (common cathode, 0.56") with 5 input buttons. Uses I2C to drive the display, providing an easy interface for menus, controls, and numeric readouts. The five onboard buttons (active on pin A0) can serve as menu select...
Gravity: Analog Turbidity Sensor For Arduino
The Gravity Analog Turbidity Sensor measures water clarity by detecting the level of suspended particles. It works by measuring light transmittance and scattering rate, which change with the amount of total suspended solids (TSS) in the water. The sensor provides both analogue (0–4.5V) and digit...
LCD Keypad Shield V2.0 For Arduino
The Arduino LCD Keypad Shield V2 includes a 2x16 LCD display and 6 momentary push buttons. Pins 4, 5, 6, 7, 8, 9 and 10 are used to interface with the LCD and Analog Pin 0 is used to read the work status of five pushbuttons. This product ensures consumer's convience especially when comp...
SPI/I2C Monochrome 60x32 0.5 OLED Display for Arduino
INTRODUCTION OCELL is a 0.5" micro OLED display designed for Arduino and other microcontrollers. This micro OLED display is small as the grown-up's fingernail- 0.5" only. It has 450cd/m^2 screen brightness with extremely high contrast and readability; moreover, it conta...
ATmega328 with Arduino Optiboot (Uno)
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...
Make: Arduino Bots and Gadgets
Want to build your own robots, turn your ideas into prototypes, or control devices with a computer? It’s a snap with this book and the Arduino open source electronic prototyping platform. Get started with six fun projects and achieve impressive results quickly. You’ll gain the know-how and experi...
W5500 Ethernet with POE IOT Board (Arduino Compatible)
W5500 Ethernet with POE Mainboard is a new member in our Ethernet family. It is based on the ATmega32u4 and W5500 Ethernet chip, which is quite useful to most IOT projects. W5500 chip is a Hardwired TCP/IP embedded Ethernet chip that provides easier Internet connection to embedded systems. It en...
Gravity: Laser PM2.5 Air Quality Sensor For Arduino
The Gravity Laser PM2.5 Air Quality Sensor uses laser scattering to measure suspended particulate matter concentrations in the air. It detects particles from 0.3 to 10 µm in diameter and outputs digital concentration data via a serial interface — ideal for building air quality monitors, weather s...
Beetle BLE - The smallest Arduino bluetooth 4.0 (BLE)
Bluno Beetle - The smallest Arduino Board is another milestone in wearable electronics device area based arduino uno, which makes DIY users have more options in the project design. It is fully compatible with Bluno in instructions and procedures, supporting Bluetooth HID and ibeacon modes.&nbs...
Arduino Pro 328 - 3.3V/8MHz
It’s blue! It’s skinny! It’s the Arduino Pro! SparkFun’s minimal design approach to Arduino. This is a 3.3V Arduino running the 8MHz bootloader. Because the system voltage for this board is lower than other Arduino development boards, it may not be compatible with many Arduino shields which we...
DFRduino Nano V3.1 (Arduino Nano Compatible)
The DFRduino Nano USB Microcontroller V3.1 (ATMega 328) is a breadboard ready version of the Arduino mini with integrated USB. The arduino Nano has everything that the Diecimila has (electronically) with more analog input pins and an on-board +5V AREF jumper. The arduino Nano automatically se...
