tnecniv Messages 15 Reaction score 0 Thread starter Dec 5, 2011 #1 May i know what is the use of the npn and pnp bjt for my schematic? can someone please advise. Thank You Attachments LED2.jpg 53.1 KB · Views: 534 Last edited: Dec 5, 2011
May i know what is the use of the npn and pnp bjt for my schematic? can someone please advise. Thank You
Parlyne Messages 551 Reaction score 3 Dec 5, 2011 #2 I would guess they're acting as controlled switches. BJT switches generally have the advantage of allowing more current to pass than can be drawn from the output of many chips.
I would guess they're acting as controlled switches. BJT switches generally have the advantage of allowing more current to pass than can be drawn from the output of many chips.