Normally Micro solderimg iron works on 12 V supply .We can make it with simple dry cell batteries available in the market.It is best suited for emergency soldering .(Say your project deadline is tomorrow !! And you are devoid of the conventional soldering equipments )
It is useful for crisis management!
Apparatus required:
1.A wooden piece
2.4 cell Battery holder
3.SPST Switch
4.Connecting wires
5.Micro soldering iron (low Watt)
6.Battery 1.5 V -4
Procedure:
1.Connect positive terminals of the battery to one of the switch terminal.
2.Negative terminal of the battery is connected to the terminal of soldering iron .
3.From switch connect the remaining terminal to the soldering iron.
4.The entire set up is supported on a wooden block (to provide saftety to the user )
Source : Internet
Illustration : Dinesh Singh (III year EEE)
Is offset printing better than
ReplyDeletedigital printing Generally speaking, offset printing works by transferring ink from a plate to a
rubber sheet,which then rolls the ink onto paper, vinyl or other surface. This is in
contrast to digital printing, which does not use plates to transfer ink to paper