How to Make a Simple Door Alarm

[@brazilcreative1063]

Nothing is created, everything is copied.

[@jenniferoviawe]

that was so cute

[@amodseth4782]

can we use a connector instead of opening a battery

[@tapendramandal]

+Amod seth yes

[@jaibheem100]

Yes

[@vayo]

i love it

[@tapendramandal]

+Varis Vipavanich thanks bro

[@vorencandraw]

Please reply

[@mitalighosh7801]

Can you please make an obstacle avoiding robot without arduino board

[@vorencandraw]

Buzzer kitne volt ka hai

[@tapendramandal]

9volt