What could be the reason behind the HC-05 Bluetooth module not discoverable by either a laptop or a smartphone while the LED on HC-05 is still blinking? - Quora
Fake HC-05/HC-06 modules with BlueCore3 chips relabeled as BC417 · Issue #25 · lorf/csr-spi-ftdi · GitHub
![Bluetooth HC-05 connected to HC-06. Standalone. Turn on/off LED. Experiment - Tutorials and Guides - MIT App Inventor Community Bluetooth HC-05 connected to HC-06. Standalone. Turn on/off LED. Experiment - Tutorials and Guides - MIT App Inventor Community](https://community.appinventor.mit.edu/uploads/default/original/3X/0/2/024a05065a1ea99701e1d3f0c96f612e4c7e9e01.png)
Bluetooth HC-05 connected to HC-06. Standalone. Turn on/off LED. Experiment - Tutorials and Guides - MIT App Inventor Community
![HC-05 Bluetooth Module with Arduino | Blinking LED with Phone [Code Explained] | Arduino tutorial 21 - YouTube HC-05 Bluetooth Module with Arduino | Blinking LED with Phone [Code Explained] | Arduino tutorial 21 - YouTube](https://i.ytimg.com/vi/uT8-HPMS1cU/mqdefault.jpg)