Whadda WPSH338 Wireless Shield with HM-10 for Arduino Uno

The Whadda WPSH338 Wireless Shield brings Bluetooth v4.0 BLE connectivity to your Arduino® Uno projects. At its core, it uses an HM-10 module built around the Texas Instruments® CC2541 Bluetooth v4.0 BLE chip, ensuring reliable, low-power wireless communication.

This shield is designed for ease of use: all 14 digital and 6 analogue pins are extended to 3-pin connections, making it simple to hook up sensors with 3-pin cables. A slide switch lets you cut power to the wireless section to save energy, while a dedicated reset button and jumper interface give you full control over serial communication.

Key Features

• Integrated CC2541 Bluetooth v4.0 BLE chip
• 2.4 GHz ISM band working frequency
• Adjustable transmission power: -23 dBm, -6 dBm, 0 dBm, 6 dBm (via AT command)
• Asynchronous transmission rate: 6K bytes
• Security: authentication and encryption
• 14 digital pins and 6 analogue pins extended to 3-pin connections
• Slide switch for wireless power on/off
• Dedicated reset button
• Jumper interface for serial communication control
• Pin header spacing: 2.54 mm
• USB protocol: USB V2.0
• Shield power supply: 5V DC
• HM-10 power supply: 3.3V DC

With its compact footprint (43x33x15 mm) and lightweight design (40 g), this shield is a practical add-on for your Arduino Uno, enabling a wide range of Bluetooth-enabled projects.

Please Note: The product is supplied without the Arduino Uno board; you will need your own board to use this shield.