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Here are solid Arduino shield options (mostly Arduino Uno/Mega R3 footprint compatible), grouped by use:
Connectivity (Ethernet / WiFi / XBee)
- Wired Ethernet (budget): W5100 Ethernet Shield for Arduino (W5100) ($18.80)
- Ethernet + Power over Ethernet: Ethernet and PoE Shield for Arduino - W5500 Chipset (W5500 + PoE) ($52.15)
- WiFi: SparkFun WiFi Shield - ESP8266 (ESP8266 WiFi) ($39.45)
- XBee radio carrier: SparkFun Digi XBee® Arduino Shield - USB-C (Qwiic) (Digi XBee footprint, USB‑C, Qwiic) ($28.20)
Motor control
- Dual DC motors (lighter loads): 2x1A DC Motor Shield for Arduino (2×1A, L293) ($19.58)
- Dual DC motors (more current): 2x2A DC Motor Shield For Arduino (2×2A, L298P) ($24.25)
Prototyping / wiring
- Prototyping + screw terminals (great for robust wiring): Proto-Screwshield (Wingshield) R3 Kit for Arduino (R3, proto area + screw terminals) ($33.20)
Sensors / storage / RFID
- Sensor breakout hub for Mega/Due: Gravity: IO Sensor Shield For Arduino Mega Due (sensor expansion shield) ($17.25)
- SD card add-on (data logging): SD Module (Arduino Compatible) (SD + microSD) ($14.80)
- NFC/RFID: Adafruit PN532 NFC/RFID Controller Shield for Arduino + Extras (13.56MHz PN532 NFC/RFID) ($85.25)
Shield stacking headers (for building/stacking your own shields)
- Full R3 stacking header set: Shield stacking headers for Arduino (R3 Compatible) ($4.80)
- Common header pieces: Arduino Stackable Header - 10 Pin ($2.45), Stackable Female Header Kit For Arduino UNO ($1.05)
Which Arduino board are you using (affects shield fit/pinout)?
What type of shield do you want?
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Showing 41-48 of 48 products · 12 unavailable products hidden
Uno R3 - Little Bird
The Little Bird Uno R3, is a 100% Arduino™ compatible development board.Just like the original Arduino Uno the Arduino Shield compatible design makes adding expansion boards easy.This Arduino can be powered from 7-12 VDC or using your computer's USB port (limited available current to pins if don...
Arduino Industrial 101
The Arduino Industrial 101 is a compact WiFi evaluation board based on the Arduino 101 LGA module. Combining an ATmega32U4 microcontroller with an Atheros AR9331 MIPS Linux processor, it provides a powerful platform for IoT projects without the need for multiple shields. Similar to the Arduino Y...
MyoWare 2.0 Muscle Sensor
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Control a project with muscle activity instead of buttons, levers or joysticks. The MyoWare® 2.0 Muscle Sensor is an all-in-one surface electromyography (sEMG) sensor that detects the electrical signals generated when a muscle flexes, then outputs an analogue signal representing the strength of t...
Arduino Female Header-8 Pins- 10 Pcs
A pack of ten 8-pin female headers with standard 2.54 mm pitch, designed for use with Arduino boards. These headers are ideal for replacing damaged headers, building custom shields, or prototyping on breadboards and perfboard. Key Features 8-Pin Configuration – Standard Arduino-compatible fema...
Stackable Female Header Kit For Arduino UNO
A set of stackable female headers for Arduino UNO and compatible boards. The extended contact length clears the USB-B connector, making them ideal for stacking multiple shields. Details Compatibility – Arduino UNO, Arduino Pro, Arduino Mega Pin Spacing – 0.1″ (2.54 mm) Type – Stackable (exte...
KnockOffDuino MEGA 2560
The KnockOffDuino MEGA is a budget-friendly, fully Arduino MEGA 2560 R3-compatible development board. It features the same ATmega2560 microcontroller, pinout, and form factor as the original, making it a cost-effective option for projects, prototyping, and learning. Key Features ATmega2560 Mic...
40 Pin Break Away Male Header- Long Straight-10 Pcs
A pack of 10 long straight male header strips, each with 40 breakable pins at 2.54mm pitch. The extended 10mm pin length allows socket-to-socket connections, and the plastic separator can be repositioned along the pins to suit your application. Snap or cut the strips to any size needed for custo...
Mini Bread Board Self Adhesive
This compact 170-point mini breadboard is ideal for small prototyping tasks and fits neatly onto Arduino proto shields, enclosures, or project bases thanks to its strong self-adhesive backing. The solderless tie points accept standard jumper wires and component leads for quick circuit assembly. ...
