Re: Simple circuit, stupid problem

In article <1124649279.912701.68250@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>, Eriswerks wrote:

>http://www.reprise.com/host/circuits/transistor_flasher.asp

> Does anyone have any suggestions as to what stupid mistake I'm making
> here? I am starting to get sick of looking at this thing. Thanks in
> advance..!

try running it off closer to 12v than 5V

you could also try putting 1K resistors in parallel with the LEDs.


here's my LED flasher circuit, drawn sideway's because it's easier to draw
diodes -|>|-- and resistors --[XXX]- running that way.

//
+3v--+--|>|---.
| | OV
|--[1K]--+----+--C E----+--
| | |
|--[10K]-+----|----B |
| | | |
| 47uF_L_ _L_+ |
| +~T~ ~T~47uF |
| | | |
|--[10K]-)----+----B |
| | |
|--[1K]--+-------C E-----+
| |
| // | for the transistors practically
+--|>|---' any small signal NPN should work

last time I used some scrounged from an old VCR

if the leds get stuck on try increasing the 10K resistor to 20K

use a fixed pitch font like courier if it looks garbled.

Bye.
Jasen
.

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