How to Flash the Firmware on Clone HM-10 BLE Module using Arduino Uno
While using the BLE HM-10 module, you must encounter some really frustrating problems like you cannot send or receive AT commands, or you cannot pair HM-10 with Smart Phone. If you encounter these problems, then your BLE HM-10 module is surely a Cloned HM-10 Module. Yes, you heard it right, the Cloned HM-10 module. However after flashing it with genuine firmware it acts like a genuine BLE HM10 module and can be used as original Bluetooth module.
[original story: Circuit Digest]