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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 21-40 of 92 products
Gravity: Digital 10A Relay Module For Arduino and Raspberry Pi
Gravity: Analog Dissolved Oxygen Sensor / Meter Kit For Arduino (Pre-Order)
Single Crack the Code Arduino with Crack the Code Shield and Case
Arduino Nano BLE Sense Rev2
Arduino ProtoShield KIT
Teensy to Arduino R3 Shield Adapter
MPN: KIT-15716
MY1690X-16S Serial MP3 Player Shield for Arduino
MPN: DEV-28021
Yahboom Roboduino Uno R3 smart robot compatible with Arduino
Arduino Nano ESP32
Waterproof DS18B20 Digital Temperature Sensor For Arduino
Arduino Jumper Cables (M/M) (65 Pack)
DC Diaphragm Pumps for Arduino Automatic Smart Plant Watering Kit
Clear Enclosure for Arduino or Metro
Adafruit Trinket M0 - for use with CircuitPython Arduino IDE
Arduino RS232 to TTL Converter with DB9 (MAX202)
Shiftout Module For Arduino Raspberry Pi- DFRobt
30 Arduino Projects for the Evil Genius by Simon Monk - 2nd Ed.
Gravity: Arduino DHT11 Temperature Humidity Sensor
SD Module (Arduino Compatible)
Gravity: Formaldehyde (HCHO) Sensor (Arduino Raspberry Pi Compatible)
Gravity: Digital 10A Relay Module For Arduino and Raspberry Pi
This Gravity digital relay module is designed for switching external loads from low-voltage controller boards. It suits 5V Arduino boards as well as 3.3V platforms such as Raspberry Pi, BBB, mbed, Intel Joule and Arduino 101.The module uses a high quality 3V relay and supports a wide input range,...
Gravity: Analog Dissolved Oxygen Sensor / Meter Kit For Arduino (Pre-Order)
Measure dissolved oxygen in water for aquaculture, environmental monitoring, natural science projects and general water-quality work. This DFRobot Gravity kit pairs a galvanic dissolved oxygen probe with an analogue signal converter board for easy use with Arduino and other microcontrollers that ...
Single Crack the Code Arduino with Crack the Code Shield and Case
A single replacement kit for the Crack the Code unit of work. If you're already running the Crack the Code program in your classroom and need to replace or add an individual unit, this kit contains everything needed for one student station. Package Contents 1× Little Bird Arduino R3 Board 1× US...
Arduino Nano BLE Sense Rev2
The Arduino Nano 33 BLE Sense Rev2 packs a powerful nRF52840 processor, Bluetooth 5.0, and an impressive array of on-board sensors into the compact Nano form factor. With a 9-axis IMU, microphone, gesture/light/proximity sensor, barometric pressure, temperature, and humidity sensors built in, it'...
Arduino ProtoShield KIT
OverviewThe ProtoShield mates with the Arduino USB board and gives the user a small soldering area, two general LEDs, access to a BlueSMiRF socket, a general pushbutton switch, and most important of all - the Arduino reset switch is brought to the top level.Features All Arduino pins are brought t...
Teensy to Arduino R3 Shield Adapter
· MPN: KIT-15716
This passive adapter lets a Teensy development board connect to the standard Arduino 1.0 (R3) shield footprint, making it easier to reuse existing Arduino shields without a breadboard full of jumper wires.Solder your Teensy board, sold separately, to the marked footprint on the adapter, then plug...
MY1690X-16S Serial MP3 Player Shield for Arduino
· MPN: DEV-28021
Add stand-alone audio playback to an Arduino project with this serial MP3 player shield based on the MY1690X decoder IC. It can play MP3 and WAV files from a standard microSD card, making it handy for music, voice prompts and sound effects.The shield is controlled over a serial UART command set a...
Yahboom Roboduino Uno R3 smart robot compatible with Arduino
The Yahboom Roboduino is a smart robot car kit built around a custom driver expansion board compatible with Arduino Uno R3. Packed with sensors and modules — including ultrasonic ranging, line tracking, IR control, and a Wi-Fi camera — it provides a hands-on introduction to electronics, programmi...
Arduino Nano ESP32
The Arduino Nano ESP32 brings the ESP32-S3 into the familiar Nano form factor, supporting both Arduino and MicroPython programming. Based on the u-blox NORA-W106-10B module, it features Wi-Fi and Bluetooth Low Energy with a built-in antenna, making it ideal for IoT projects. The board runs a 32-...
Waterproof DS18B20 Digital Temperature Sensor For Arduino
This is a waterproofed version of the DS18B20 Temperature sensor. Handy for when you need to measure something far away, or in wet conditions. While the sensor is good up to 125°C the cable is jacketed in PVC so we suggest keeping it under 100°C. Because they are digital, you don't get ...
Arduino Jumper Cables (M/M) (65 Pack)
A 65-piece pack of male-to-male breadboard jumper wires in assorted lengths. These flexible jumper cables are essential for prototyping on solderless breadboards, making it easy to connect components, sensors, and microcontroller pins. The pack includes four different lengths colour-coded for ea...
DC Diaphragm Pumps for Arduino Automatic Smart Plant Watering Kit
A compact 370 DC diaphragm pump designed for automated plant watering systems and other fluid transfer applications. With a wide operating voltage range of 3–24V, it's easy to integrate with Arduino and other microcontroller-based projects for smart irrigation control. The self-priming diaphragm...
Clear Enclosure for Arduino or Metro
This simple but effective enclosure will fit any 'classic Arduino' shaped development board - we've tested it for sure with the Arduino UNO R3, Adafruit Metro and Adafruit Metro Express. It's clear so you can see all your onboard LEDs and silkscreen labels. There are four small screws you ca...
Adafruit Trinket M0 - for use with CircuitPython Arduino IDE
The Adafruit Trinket M0 is a tiny but powerful microcontroller board built around the ATSAMD21E18 32-bit Cortex M0+ processor. It shares the same compact form factor and pinout as the original Trinket, but with a massive upgrade in processing power, memory, and connectivity — including native USB...
Arduino RS232 to TTL Converter with DB9 (MAX202)
This converter uses MAX202-based level shifter for converting TTL (Transistor-Transistor Logic) -level serial to standard RS232 serial.RS232 is widely used in radio modifications,phone flash, XBOX360 flash, GPS, vehicle detection, DVD flash, hard disk repair set-top box upgrade. It can be used to...
Shiftout Module For Arduino Raspberry Pi- DFRobt
At sometime or another you may run out of pins on your Arduino board and need to extend it with shift registers. With this shift out module which is based on 74HC595. The datasheet refers to the 74HC595 as an "8-bit serial-in, serial or parallel-out shift register with output latches; 3-sta...
30 Arduino Projects for the Evil Genius by Simon Monk - 2nd Ed.
A hands-on project book by Simon Monk featuring 30 practical Arduino-based builds. Each project uses easy-to-find components and step-by-step instructions, making it accessible even without prior programming experience. The book covers simplified C programming on Windows, Mac, and Linux platforms...
Gravity: Arduino DHT11 Temperature Humidity Sensor
This Gravity-compatible DHT11 sensor provides calibrated digital temperature and humidity readings via a single data pin. With an integrated 8-bit microcontroller and factory-calibrated coefficients stored in OTP memory, it delivers reliable measurements with minimal setup. The Gravity 3-pin int...
SD Module (Arduino Compatible)
The DFRobot SD Module (DFR0071) is a breakout board that adds standard SD and Micro SD (TF) card storage to your Arduino projects. Use it for data logging, file storage, and transferring data between your microcontroller and removable flash memory. The module sits directly on top of an Arduino b...
Gravity: Formaldehyde (HCHO) Sensor (Arduino Raspberry Pi Compatible)
The Formaldehyde (HCHO) sensor is an Arduino & Raspberry Pi compatible module, which is the ideal solution for indoor air quality monitor. This is a HCHO(CH2O) sensor module. It can be used to measure HCHO in air. Through it, you can know the air quality. This sensor module is widely used ...
