[Proteus Simulaton][Help]Temperature detection circuit

[bluesam]

Dear all,
I already made the schematic here based on .GIF but the simulation's run confusing me
1. According to GIF picture it should lights the LEDs from U4 to U6
but in my schematic and simulation it runs from U6 to U4

2. It should give a linear response to every celcius from the LM35DZ; one LED lights per celcius,
but in my simulation it has not

3. The U4 bargraph LED won't light up / turn on

Would you mind to check it/simulate it in case i did something wrong in my Proteus?

thanks (*i think i'm in right room now)
bluesam

 

[bluesam]

[Proteus Simulation][Help]Temperature detetion circuit 2nd diagram

Hello,

I made another circuit based on this .txt file it is in the zip one
the jpg is shown below

But i can't simulate hex file in Proteus, it's given error state 'memory violation'
Or is my circuit that in wrong state?

thanks
bluesam

 

[ericgibbs]

Hello,

I made another circuit based on this .txt file it is in the zip one
the jpg is shown below

But i can't simulate hex file in Proteus, it's given error state 'memory violation'
Or is my circuit that in wrong state?

thanks
bluesam

hi,
It runs in Oshonsoft, but the display does not change correctly as the adc inputs are varied. Look at the avi file in the zip.
I suspect the program, do you have the asm file for this circuit diagram.?

 

[bluesam]

i think the program too eric
this the link of file called 'temp.hex'
link https://www.electro-tech-online.com/attachments/thermo-zip.27380/

 

[ericgibbs]

i think the program too eric
this the link of file called 'temp.hex'
link https://www.electro-tech-online.com/attachments/thermo-zip.27380/

hi,
Look at your other thread, it shows it works in Oshonsoft...

 

[bluesam]

yes eric i did to try it again in my proteus
i made this thread since this is Simulation room to request some simulation from other members

To all
:this link to the original cause of post #2 https://www.electro-tech-online.com/threads/need-help-interfacing-lm35-pic16f877a-lcd16x2.108346/

this thread status: still discussing

 

[bluesam]

i made my design at post #1 into PCB circuit.
but the LM35 is going too heat up itself?
i wonder why
can someone help?
is it related to my potentiometer?

 

[Wond3rboy]

Hi Eric and Blue,

What about the datasheet as given here, page # 2.

https://www.electro-tech-online.com/custompdfs/2010/08/LM35.pdf

 

[bluesam]

yes, i checked my pcb circuit and there was the mistake swapping the vcc and gnd.
because i ordered my pcb from a pcb layouter person, it seemed to hide at first sight.
the problem is corrected now.

thanks
bluesam