Whadda WPSH338 Wireless Shield with HM-10 for Arduino Uno
Bluetooth v4.0 BLE shield for Arduino Uno with HM-10, 14 digital & 6 analogue pins, adjustable TX power.
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.
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Always follow local regulations and product guidance.
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