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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 81-99 of 99 products · 12 unavailable products hidden
Arduino DTMF Shield
Plastic mounting plate for breadboard and Arduino - rubber feet!
LilyPad Arduino 328 Main Board
Gravity: Arduino PIR (Motion) Sensor
Gravity: RS485 IO ExpansionShield for Arduino
Arduino Stackable Header - 10 Pin
Gravity: Arduino EC (Electrical Conductivity) Sensor / Meter
DFPlayer - An Arduino Mini MP3 Player
Arduino Stackable Header Kit - R3
Gravity: Arduino pH Sensor Meter Pro
Screw Shield for Arduino
Gravity: Arduino LM35 Temperature Sensor
Bluno Bee - Turn Arduino to Bluetooth 4.0 (BLE) Board
Gravity: Arduino Alcohol Sensor (MQ3)
Gravity: DS18B20 Temperature Sensor (Arduino Compatible)
Gravity: Arduino CO/Combustible Gas Sensor (MQ9)
Beetle - The Smallest Arduino Microcontroller
Gravity: Arduino ORP Meter V1.0
Dual Bipolar Stepper Motor Shield for Arduino (DRV8825)
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...
Plastic mounting plate for breadboard and Arduino - rubber feet!
By popular demand! We now have the plates from the ARDX available separately. Acrylic plate is engraved and cut here at the Adafruit factory. There are mounting holes for your Arduino and a space that fits a half sized breadboard very nicely. THIS DOES NOT FIT THE ARDUINO MEGA. Comes with: ...
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...
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...
Beetle - The Smallest Arduino Microcontroller
The Beetle is one of the smallest Arduino Leonardo-compatible boards available, built around the ATmega32U4 microcontroller running at 16MHz. Despite its tiny size, it delivers the full functionality of an Arduino Leonardo with 10 digital pins, 5 analogue pins, and 4 PWM outputs. With a built-in...
Gravity: Arduino ORP Meter V1.0
In the ever-increasing need and awareness for health and safety, water has become a focus point for proper disinfection treatment as aftereffects of industrialization can become a danger for contamination of water via direct contact. Water is a critical control point of contact where proper t...
Dual Bipolar Stepper Motor Shield for Arduino (DRV8825)
INTRODUCTION Do you want to do some projects with stepper motors such as a drafting instrument, a 3D printer, an auto curtain......? As we all know, regular stepper motors are hard to drive, but with this stepper motor shield, you can easily drive 2 stepper motors vi...