Namaskaar dosto swagat hai aap ka creativity technology main is video m aap ko simple led flasher bnana sikhaya geya h wo b purani wall clock se to dosto agr aap ko meri video achi lgi ho to plzzzz like,share and subscribe krna na bhule or bell icon ko press kre taki aap ko meri next video ki update mile thanks........... Things requried 1. Old clock machine 2. 3 volt battery or 2 cell 3. 2 led any colour #creativity_technology #led_flasher