Adafruit
Adafruit WINC1500 WiFi Shield with uFL Connector
Add WiFi connectivity to your Arduino-compatible board with the Adafruit WINC1500 WiFi Shield, featuring the FCC-certified ATWINC1500 module from Atmel. This...
Add WiFi connectivity to your Arduino-compatible board with the Adafruit WINC1500 WiFi Shield, featuring the FCC-certified ATWINC1500 module from Atmel. This 802.11b/g/n shield supports WEP, WPA, and WPA2 encryption with TLS 1.2 for secure connections, and communicates over SPI at speeds up to 12 MHz.
This version includes a uFL connector for attaching an external antenna, giving you extended range for projects that need it. The shield includes onboard level shifting for 3V or 5V logic boards, a 3.3V regulator rated for 300 mA spikes, three user-controllable LEDs, and a microSD card socket. Works best with SAMD21-based boards like the Metro M0 Express or Arduino Zero; also compatible with Arduino Mega. For a simpler setup without an external antenna, see the PCB antenna version.
Key Features
- 802.11b/g/n WiFi – WEP, WPA, and WPA2 encryption with TLS 1.2 support
- uFL Antenna Connector – Attach an external antenna for extended range
- SPI Communication – Up to 12 MHz clock speed for fast, reliable data streaming
- Soft AP Mode – Create ad-hoc networks for direct device connections
- 3V & 5V Compatible – Onboard level shifting and 3.3V regulator (handles 300 mA spikes)
- MicroSD Card Socket – Store or host data (requires SAMD21-based board for simultaneous WiFi + SD use)
- 3× Status LEDs – Controllable via SPI or Arduino library for connection and data indicators
Ideal For
- IoT projects requiring extended WiFi range
- Secure web client applications with TLS 1.2
- Data logging to SD card from cloud services
- Outdoor or long-range wireless sensor networks
Package Contents
- 1× Adafruit WINC1500 WiFi Shield with uFL Connector
Resources
Jargon buster
Plain-language definitions for the technical terms used above.
- 3.3V regulator
- A 3.3V regulator is a power circuit that provides a steady 3.3 volts for parts that need that supply voltage. On a breakout board, it can let the sensor run safely even when the connected microcontroller or power source uses a higher voltage.
- IoT
- Short for Internet of Things, meaning physical devices that connect to networks or the internet to send data or be controlled remotely. It matters if you want projects such as connected sensors, remote controls or classroom data-logging activities.
- microSD card
- A microSD card is a small removable memory card used to store files such as audio tracks. For this product, the card is where the sound files live, so its capacity and formatting can affect how many sounds you can use.
- SAMD21
- The SAMD21 is a Microchip microcontroller used in many Arduino-compatible boards. It matters here because USB host library support can depend on the exact microcontroller on your mainboard.
- Shield
- An add-on board that plugs into a main controller board to give it extra features such as sensing, motor control or communication. Knowing a product supports shields helps you judge whether it can connect neatly into an existing maker-board setup.
- SPI
- A fast serial communication bus often used for displays, memory cards, and sensors. It matters because SPI devices need specific pins for clock and data, plus a separate chip-select line for each device.
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Related Tutorials
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