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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 81-100 of 100 products · 11 unavailable products hidden
MiniQ 4WD Cross Country Arduino Mobile Robot
The MiniQ 4WD Cross Country is a compact, fully assembled Arduino-compatible mobile robot designed for education and learning. Built around an ATmega32U4 (Arduino Leonardo) controller, it features 4-wheel drive with higher ground clearance (25 mm) for improved off-road capability on uneven terrai...
2x2A Arduino Motor Shield Twin
The DFRobot 2×2A Motor Shield uses the L298P dual full-bridge driver chip to control two 4.8–35 V DC motors at up to 2 A per channel. It stacks directly onto Arduino Uno and Arduino Mega boards, using PWM pins 10 and 11 for speed control and digital pins 12 and 13 for enable/disable. The shield ...
Romeo BLE - Arduino Robot Control Board with Bluetooth 4.0
The Romeo BLE is an all-in-one Arduino-compatible robot control board from DFRobot with integrated Bluetooth 4.0. It combines an ATmega328P microcontroller, a dual-channel DC motor driver (2 A max), and a TI CC2540 BLE chip in a single board — letting you build and wirelessly control robots witho...
Bluno Mega 2560 - An Arduino Mega 2560 with Bluetooth 4.0
The Bluno Mega 2560 combines the ATmega2560 microcontroller with an integrated TI CC2540 Bluetooth 4.0 (BLE) module, bringing wireless communication to the Arduino Mega form factor. It supports wireless programming over BLE, Bluetooth HID, iBeacon, and serial pass-through — while remaining fully ...
Arduino DTMF Shield
The Arduino DTMF Shield is a dual-tone multi-frequency decoder module that lets your Arduino interpret touch-tone signals from phones. Connect it to a GSM/GPRS shield and you can send commands to your Arduino via phone call — press buttons on your phone to control motors, lights, or any connected...
LilyPad Arduino 328 Main Board
The LilyPad Arduino 328 Main Board is an Arduino-programmed microcontroller designed to be easily integrated into e-textiles and wearable projects. It offers the same functionality you find in other Arduino boards, in a lightweight, round package designed to minimize snagging and profile, with wi...
Gravity: Arduino PIR (Motion) Sensor
A passive infrared (PIR) motion sensor from DFRobot's Gravity series. It detects infrared radiation from people and animals in motion and outputs a digital HIGH signal when movement is detected — ideal for security systems, occupancy sensing, and automated lighting projects. The sensor operates ...
Gravity: RS485 IO ExpansionShield for Arduino
Our IO expansion board is evolving, the RS485 IO Expansion Shield is now supporting Xbee and has colour coded pin header. It combines our popular Xbee shield with IO expansion shield. It even supports SD module card which provides the ultimate functional expansion for Arduino so far. As ...
Arduino Stackable Header - 10 Pin
A 10-pin female header with extra-long legs, designed for stacking Arduino R3-compatible shields. The extended pins pass through a shield's PCB and connect to the board below, letting you stack multiple shields on a single Arduino. Key Features 10-Pin Female Header – Standard 0.1″ (2.54 mm) pi...
Gravity: Arduino EC (Electrical Conductivity) Sensor / Meter
The Gravity EC (Electrical Conductivity) Sensor measures the conductivity of aqueous solutions, providing an analogue output for Arduino and compatible microcontrollers. EC measurement is essential for monitoring water quality, nutrient levels in hydroponic systems, and soil salinity in agricultu...
DFPlayer - An Arduino Mini MP3 Player
Sing for the moment! The DFPlayer Mini is a small and low cost MP3 module player with an simplified output directly to the speaker. The module can be used as a stand alone module with attached battery, speaker and push buttons or used in combination with an Arduino UNO or any other with ...
Arduino Stackable Header Kit - R3
These headers are made to work with the Arduino Uno R3, Leonardo and new Arduino boards going forward. They are the perfect height for clearing the USB-B connector and great for stacking multiple shields. This kit includes 4 headers (2 8-pin, 1 10-pin and 1 6-pin), enough to connect a shield t...
Gravity: Arduino pH Sensor Meter Pro
This is a professional Arduino pH Sensor Meter Kit with industrial electrode. It has built-in simple, convenient , practical connection and long life (up to 1 year), which makes it very suitable for long term online monitoring. It has an LED which works as the Power Indicator, a BNC connector...
Screw Shield for Arduino
The Arduino-Compatible Screw Shield is a terminal expansion board that can be screwed directly to the terminal on the thread and is reliable and convenient. It can be plugged into the Arduino controller. You can use this shield to save yourself from the bad port connection. Feel secure with t...
Gravity: Arduino LM35 Temperature Sensor
This is an Arduino Temperature Sensor based on LM35 temperature chip. A Temperature Sensor can be used to detect ambient air temperature.The LM35 chip is produced by National Semiconductor Corporation and offers a functional range between 0 degree Celsius to 100 degree Celsius with a sensitivity ...
Bluno Bee - Turn Arduino to Bluetooth 4.0 (BLE) Board
Bluno Bee is a serial to bluetooth 4.0 module, it adopts XBEE form factor which is compact and is compatible with all shields with XBEE socket. Bluno Bee is designed to have voltage regulator which supports both 5V and 3.3V MCUs. Bluno Bee is talking to your Arduino serial port , and abl...
Text-to-Speech Shield for Arduino
Give your Arduino project a voice with this text-to-speech shield. Built around the IFLYTEK XFS5051CE speech synthesis chip, it converts text strings into spoken audio in English and Chinese, with support for both male and female voices and 11 adjustable speaking speeds. The shield stacks direct...
Gravity: Arduino Alcohol Sensor (MQ3)
An analogue alcohol gas sensor based on the MQ-3 probe, designed for use with Arduino and other microcontrollers. The sensor outputs a voltage proportional to the concentration of alcohol vapour in the surrounding air, making it suitable for breathalyser-style projects, air quality monitoring, an...
Gravity: DS18B20 Temperature Sensor (Arduino Compatible)
While there are many types of temperature sensors available in the market, the DS18B20 arduino Temperature Sensor form DALLAS is the best choice in applications which require high accuracy and high reliability. Its ultra-small size, low hardware overhead, strong anti-interference capability a...
Gravity: Arduino CO/Combustible Gas Sensor (MQ9)
The Gravity MQ-9 gas sensor detects carbon monoxide (CO) and combustible gases including methane and propane. It uses a semiconductor SnO2 sensing element that cycles between high and low temperatures — detecting CO at low temperature (1.5V) and combustible gases at high temperature (5.0V). With...
