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Showing posts from March, 2019

Holika Dahan Meaning & Story – Why Holika Burned Before Holi

  Holika Dahan Meaning & Story What is Holika Dahan? Holika Dahan is a Hindu ritual celebrated on the night before Holi. It involves lighting a sacred bonfire to symbolize the victory of good over evil. This ritual represents the burning of negativity, ego, and evil forces from life. People gather around the fire, offer prayers, and seek blessings for happiness and prosperity. Holika Dahan usually takes place on the full moon night (Purnima) of the Hindu month of Phalguna, one day before Rangwali Holi. Holika Dahan Story The story of Holika Dahan comes from Hindu mythology and is connected to King Hiranyakashipu and his son Prahlad . Hiranyakashipu was a powerful demon king who wanted everyone to worship him as a god. However, his son Prahlad was a devoted follower of Lord Vishnu . This angered the king, and he tried many times to kill Prahlad, but he failed. Finally, he sought help from his sister Holika. Holika had a special boon that made her immune to fire. She sa...

How to Work Bluetooth in Hindi | ब्लूटूथ काम कैसे करता है |

Bluetooth कैसे काम करता है? Bluetooth एक wireless communication technology है जो devices को short distances पर data exchange करने की सुविधा देती है। यह radio waves का उपयोग करता है। आइए समझते हैं कि यह कैसे काम करता है: Bluetooth Technology के Key Components Radio Waves : Bluetooth, 2.4 GHz Industrial, Scientific, और Medical (ISM) band में low-power radio waves का उपयोग करता है। Protocol Stack : यह define करता है कि Bluetooth devices एक-दूसरे से कैसे communicate करेंगे, जैसे कि discovery, pairing , और data exchange । Bluetooth Modules : हर Bluetooth-enabled device में एक transceiver और antenna होता है जो signals को भेजता और प्राप्त करता है। Bluetooth कैसे काम करता है? Device Discovery : जब आप Bluetooth enable करते हैं, तो device आसपास के Bluetooth-enabled devices को खोजता है जो "discoverable mode" में होते हैं। Devices अपनी presence broadcast करते हैं, जिसमें उनका unique Bluetooth address और device name होता है। Pairing : Devices एक secure connection establish कर...