SainSmart WiFi Shield For Arduino
Best wireless upgrade for hobbyists building connected Arduino projects.
This shield is the most efficient way to bring wireless connectivity to your existing projects without the overhead of a dedicated module. You trade a bit of board space for a plug-and-play experience that handles the heavy lifting of network protocols, making it the perfect choice for battery-conscious builds.
$61.99
Who it's for
- Developers building basic IoT and remote monitoring projects
- Makers needing quick, solder-free hardware integration
- Hobbyists working with classic Arduino board ecosystems
Who should skip it
- Creators building battery-powered or highly portable mobile devices
- Engineers planning complex projects with many external sensors
- Professionals requiring high-speed performance and modern software stacks
Performance breakdown
Wireless Integration
Seamlessly bridges Arduino hardware with modern 802.11b/g/n wireless networks.
Power Efficiency
Ultra-low standby consumption makes this ideal for long-term battery projects.
Boot Performance
Rapid sub-20ms startup ensures your projects are ready almost instantly.
Connectivity Versatility
Flexible antenna options provide reliable signal strength for various enclosure designs.
Protocol Support
Native TCP/IP and HTTP handling simplifies complex web-based data communication.
Hardware Compatibility
Standardized form factor ensures a perfect fit for Arduino Uno boards.
Key Specs
Radio Protocol
IEEE 802.11b/g/n Compatible
Supported Data Rates
Up to 11 Mbps
RF Operating Frequency
2.4 - 2.497 GHz
Antenna Options
Chip antenna or U.FL connector
Networking Protocols
TCP/IP, HTTP/HTTPS Client and Server
Power Consumption (Standby)
34.0 μA
I/O Interface
UART, SPI, I2C
Dimensions
32 x 23.5 x 3 mm
Form Factor
Arduino Uno Compatible
Programming Interface
USB-UART
Know before you buy
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