![Make your Bluetooth Low Energy IoT device more secure with Visible Light Communication | by Alexis Duque | Rtone IoT Security | Medium Make your Bluetooth Low Energy IoT device more secure with Visible Light Communication | by Alexis Duque | Rtone IoT Security | Medium](https://miro.medium.com/v2/resize:fit:1106/1*OU9UmTaxbAnUWrJpK9AVcQ.png)
Make your Bluetooth Low Energy IoT device more secure with Visible Light Communication | by Alexis Duque | Rtone IoT Security | Medium
![Amazon.com: symcode Combination of Bluetooth 58mm Thermal Printer and Mobile Phone, Can be Used as POS PDA Receipt Printer, Support HID SPP BLE : Office Products Amazon.com: symcode Combination of Bluetooth 58mm Thermal Printer and Mobile Phone, Can be Used as POS PDA Receipt Printer, Support HID SPP BLE : Office Products](https://m.media-amazon.com/images/I/7161KAAmdqL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: symcode Combination of Bluetooth 58mm Thermal Printer and Mobile Phone, Can be Used as POS PDA Receipt Printer, Support HID SPP BLE : Office Products
![Learn how this Particle Argon uses BLE to send temperature readings to a smartphone app - Project Share - Particle Learn how this Particle Argon uses BLE to send temperature readings to a smartphone app - Project Share - Particle](https://blog.particle.io/wp-content/uploads/2019/06/Thermometer-hero.jpg)
Learn how this Particle Argon uses BLE to send temperature readings to a smartphone app - Project Share - Particle
GitHub - reelyactive/web-ble-demo: Detect and identify nearby BLE devices via the web, in a web browser. We believe in an open Internet of Things.
![BLE ESP32. Bluetooth. Multiconnect. Connect two mobiles at the same time - Tutorials and Guides - MIT App Inventor Community BLE ESP32. Bluetooth. Multiconnect. Connect two mobiles at the same time - Tutorials and Guides - MIT App Inventor Community](https://community.appinventor.mit.edu/uploads/default/original/3X/b/4/b494e4bf2915f56f15631a5f5b2935701dc35cc0.jpeg)