??? 07/24/05 08:28 Read: times |
#97891 - Driving LED |
Hi, in reading previous posts for driving LEDs with an 8051 I noticed it is suggested to use a transistor to drive the LED, preferably a PNP type. If the port pin can sink 20 ma then why bother with the PNP?
Regards James Krushlucki |
Topic | Author | Date |
Driving LED | 01/01/70 00:00 | |
Re: Led Driving | 01/01/70 00:00 | |
Another aspect![]() | 01/01/70 00:00 | |
Sawing with a file.. | 01/01/70 00:00 | |
How many LEDS | 01/01/70 00:00 | |
Driving LEDs | 01/01/70 00:00 | |
PNP | 01/01/70 00:00 | |
Good design practice | 01/01/70 00:00 | |
generalizations | 01/01/70 00:00 | |
Ground bounce is an issue | 01/01/70 00:00 |