Day/Night/24 hour select circuit.

[Archilochus]

Hi all,
A few weeks back I posted a link to a home-made PIR sensor schematic. ###For anyone interested, here's another "home-brew" circuit for use with the sensor. ###It allows for selecting between day only / night only / or 24 hour use. ###It's on the same page as the sensor schematic, just scroll down a bit. ###I should have the modified timer schematic done in a week or so, I'll post a link to it then.

http://www.geocities.com/archilochus57/

Good Luck!,
Archilochus

[Tinhorn]

Archilochus

Well, post that TIMER Schematic! ! ! ### ### ###just kidding

Did you see the reverse engeneered schematic of the MS20 I posted a while back?

Thanx for posting the schematics. ###I built a day/nite unit for the TLC 555 Timers but I'll be darn if I can find the schematic (have to reverse engeneer my own circuit !)

The day/nite switch is easier when using the 555 because no active components are required.

The only real problem I had was adjusting it without a light meter; had to guess when the camera needed/not needed the flash ? ? ?

Good Job on the In-jen-ear ring

I will find that Scheme somewhere, hate to disassemble the enclosure just because I'm so stupid ! ! !)

Tinhorn


(Edited by Tinhorn at 1:37 pm on May 2, 2001)

[KsBowhunter]

Damn man, now I have to try and build this thing too??? 8^)

[Archilochus]

Hi Tinhorn / KsBowhunter,

Tinhorn..... I'm woikin' on it, I swear I am. ; )
Didn't see the MS20 schematics, I'll have to go looking.
I don't know how many times I've made something and then had to go back and rip it apart just to figure out how it works. ###Need to stop bein' so lazy and start writing things down!

Not sure I understand the bit about the light meter?? ###The circuit I made just disables triggering of the cameras shutter at a given light level.

>>>>>>>>>>>>>>>>>>>>>

KsBowhunter.... Yup , it just gets worse and worse. ###No rest for the weary.

Archilochus

[Tinhorn]

Archilochus

What I meant by the lite meter is I am not sure my eyes are calibrated enought to recognize when its so dark a flash is needed or when it's light enough to not need the flash.

I drew up the schematic, bread boarded it, modified, it, etc the apparently threw the mod'd one away, i found the orig sketch (that didn't work - naturally)

Here is the MS20 schematic...sorry it's not pretty like Your'n

http://albums.photopoint.com/j/View?u=1292...=0&res=high (http://albums.photopoint.com/j/View?u=1292758&a=9585898&p=38526704&Sequence=0&res=high)

Tinhorn