Driving LEDs and PWM.

Archiver

Hi,

I've read that there is a maximum current draw in total for the
basic stamp (Using the BS2p), and thus, i think driving 10LEDs is gonna be
a bad idea :P

I'm gonna assume a transistor switch will be the best choice
(Which btw, does anyone have any good info on these ? Some sample
reference circuits will be nice)

I'm debating to use PWM to control the brightness of my LEDs, will
a transistor switch work for this ?



Elvin
-

Archiver

Elvin, for an example of driving LED's and high current transistor switches
check out my web site and look at the schematics linked there.
http://geocities.com/jimforkin2003/index.html
jim

---

Original Message

---

From: Alf [noparse]/noparse]mailto:[url=http://forums.parallaxinc.com/group/basicstamps/post?postID=W5aHIPyRvxHcgWc1sTGbC3_IBd_fWAdZdgS5U2lAH3cBQhvU_K6yJP0XFDizzKCry-z7nmJxHw]elvin@e...[/url
Sent: Tuesday, March 18, 2003 3:12 AM
To: basicstamps@yahoogroups.com
Subject: [noparse][[/noparse]basicstamps] Driving LEDs and PWM.


Hi,

I've read that there is a maximum current draw in total for the
basic stamp (Using the BS2p), and thus, i think driving 10LEDs is gonna be
a bad idea :P

I'm gonna assume a transistor switch will be the best choice
(Which btw, does anyone have any good info on these ? Some sample
reference circuits will be nice)

I'm debating to use PWM to control the brightness of my LEDs, will
a transistor switch work for this ?



Elvin
-


To UNSUBSCRIBE, just send mail to:
basicstamps-unsubscribe@yahoogroups.com
from the same email address that you subscribed. Text in the Subject and
Body of the message will be ignored.


Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/