Its a simple project or not for you but really its a good working or recycling of 9v battery .
9v battery trough away after discharge or unnecessary for electronics device such as multimeter, Radio, Walkies,
Here we need to collect some electronics component
( 1 ) A 9V Battery
( 2 ) 22 Ohems Resistor
( 3 ) Micro Switch
( 4 ) White LED
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