multi input alarm - Electronic Circuits Projects Diagrams Free

oldyin · 22nd May 2008, 07:37 PM

Hi Goodfolks
I am looking for a multiinput circuit ( 4 input )
I wish to construct a circuit that I can use to wire up 4 seperate inputs that will activate a sounder in the event of an input being latched.
Each of the 4 inputs is to be wired to 4 seperate boilerhouses if any of the boilerhouses go in to alarm mode I want the sounder to sound and a Led to illuminate to highlight the boilerhose where the alarm has been activated.
I woud appreciate if I could be pointed in the right direction.
many thanks
novolts

Gayan Soyza · 23rd May 2008, 04:49 AM

Similar technic I used in a water level controller.Its just simple.I think you need 4 inputs & 4 outputs (LED) & a separate output to a sounder.

Just poll for 4 switches.When Input present turn on the corresponding LED & the sounder.

When a different input present clear all the previous LEDs & turn on the corresponding LED & the sounder.

Its easy isn't it?

oldyin · 23rd May 2008, 09:17 AM

Gayan
I thank you for taking the time to reply to my request if you have time Gayan would you be able to let me know what site I could go to for the schematic and source code if required I am new to pics I have constructed my first programmer but I have a lot to learn when it comes to programming pics
once again Gayan thank you again
kind regard
novolts

Gayan Soyza · 23rd May 2008, 09:22 AM

What Language you use?

For your request I can find only Nigels tutorial which meets your requirements.

You could visit Nigels Tutorial 2.
PIC Tutorial Two - Switches

oldyin · 23rd May 2008, 10:07 AM

Thanks Gayan

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22nd May 2008, 07:37 PM	(permalink)
oldyin	multi input alarm Hi Goodfolks I am looking for a multiinput circuit ( 4 input ) I wish to construct a circuit that I can use to wire up 4 seperate inputs that will activate a sounder in the event of an input being latched. Each of the 4 inputs is to be wired to 4 seperate boilerhouses if any of the boilerhouses go in to alarm mode I want the sounder to sound and a Led to illuminate to highlight the boilerhose where the alarm has been activated. I woud appreciate if I could be pointed in the right direction. many thanks novolts

23rd May 2008, 04:49 AM	(permalink)
Gayan Soyza	Similar technic I used in a water level controller.Its just simple.I think you need 4 inputs & 4 outputs (LED) & a separate output to a sounder. Just poll for 4 switches.When Input present turn on the corresponding LED & the sounder. When a different input present clear all the previous LEDs & turn on the corresponding LED & the sounder. Its easy isn't it? __________________ Gayan My Website http://gsmicro.blogspot.com/

23rd May 2008, 09:17 AM	(permalink)
oldyin	Gayan I thank you for taking the time to reply to my request if you have time Gayan would you be able to let me know what site I could go to for the schematic and source code if required I am new to pics I have constructed my first programmer but I have a lot to learn when it comes to programming pics once again Gayan thank you again kind regard novolts

23rd May 2008, 09:22 AM	(permalink)
Gayan Soyza	What Language you use? For your request I can find only Nigels tutorial which meets your requirements. You could visit Nigels Tutorial 2. PIC Tutorial Two - Switches __________________ Gayan My Website http://gsmicro.blogspot.com/ Last edited by Gayan Soyza; 23rd May 2008 at 09:26 AM.