D
din25390
- Jan 1, 1970
- 0
1. I want to make ..................
" if a door bell is switched on ,there must glow bulb
outside the door and it off after 2 to 3 min"
hw can i do it?
" if a door bell is switched on ,there must glow bulb
outside the door and it off after 2 to 3 min"
hw can i do it?