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Need pcb solution for led segment's

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macobt

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Hello
I want to build voltmeter but I dont know to make a pcb.
The schematic is below,and I have this kind of led segments,picture below.
Please help I need a pcb?
 

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macobt said:
Hello I want to build voltmeter but I dont know to make a pcb.
Click to expand...
singhania12 said:
download diptrace from
https://www.diptrace.com/
or any such sw
make the ckt and use tools to make the layout
Click to expand...
The OP had mentioned he doesnt know to make a PCB. do you you think it will help downloading "Diptrace"? It may naturally benefit who knows designing. Isn't it?..Cheers
 

...and they should stock up on PICs too. With the variable resistor at max value they put 8.9V on the ADC input pin.

Brian.
 

Hi macobt,
Give a datasheet, or exact type Nr, over your Trimmer Poti & LEDs(over hdsp-a901510 & TOT-5363BS-I didnt find datasheets);
I will make for you a PCB-gerber file...
K.
 

Tnx,
You can believ me, I do much google, in these case I trie some versions, but no solution_ good that you have it, but Im sure you becoms too not all infos what you wishes :)...
 

Than wil be your life long and dead to end with these sentence:)...
 

Hello to evry body and thanks for comments
The led segment is with commond anode,and I dont have expirience with software for making pcb,I have eagle software but I dont know to use :(
Regards
 

Hi,
as I told, (on the weekend) I can/will make it for you, but give me type/datasheet over your trimmer poti, & are all 3 LED-Displays the same?
K.
 

karesz said:
Hi,
as I told, (on the weekend) I can/will make it for you, but give me type/datasheet over your trimmer poti, & are all 3 LED-Displays the same?
K.
Click to expand...
The led segments are the same(with commond anode,3 pin from each side is anode),and for trimer you may use standars trimers like on the picture.
Regards
 

tnx!
the both pins of trimmer are on 2raster/5.08mm(3th 7.5)?
K.
 

karesz said:
tnx!
the both pins of trimmer are on 2raster/5.08mm(3th 7.5)?
K.
Click to expand...
Yes, and thanks to you about helping me.
Regards
 

macobt said:
karesz said:
tnx!
the both pins of trimmer are on 2raster/5.08mm(3th 7.5)?
K.
Click to expand...
...Yes...
Click to expand...
Are you sure?
I didnt find so an trimmer , nowaday we must have it on 5x10mmm!_pls give your OK... I maked the footprint for Piher PT10Lv, also with 5 & 10mm distances!
K.
So, I have attached my schema :)
Your PIC pinout is WRONG!, check pls Vdd & Vss...
I did read most part of PICs datasheet: serial Rin(R14 is less as 10 KOhm to select(for precious operation).
In accordance with it I changed the values of input attenuator_in these case with nominal 30V on the Input you can max 5.4V give to the PIC, its on the limit, but not illegal as with your old dimensioning... These is IMPORTANT for your PICs life.
I feeded D1 as polarity protection into the circuit & C2 , populate it as 22-47uF Tantal ...
What are you thinking, where should be the Trimmer & are you thinking over individual wires & one side copper PCB, with some mounting holes?
K.
 

Hello karesz
Firs thanks for helping me and must say good job
On my schematic,yes there is erorr VSS is mark with 18,should be pin 1.
On you schematic you are using PIC16F676 on my it is PIC16F688 why?
I forget to attach the link with this project,Iam sorry here it is:
https://www.coolcircuit.com/project/meter/index.html
And for trimmer little you confused ме,use ordinary trimmer you can choose which type(to be on pcb,and to stay 50K.
For led segments I must check tomorow in store to see the right pinouts,
Best regards maco bt[/url]
 

Hi, I dont no wher have you from PIC16F688!?
from your schema have I copied as follows: "In this project I use PIC16F676 which have ADC 10-bits 8 channe"l...
PLEASE GIVE 100% EXACT YOUR TYPE KNOWED!!
You must pls realise: the 50 KOhm trimmer is falsh/WRONG- you will give (very light) overvoltage to the ADC-Input, you can destroy it so_but its not my IC-sorry!
On the yet attached link/picture is the uP on the other (back)side from the 3 displays, but you wished that to have on the left side , its surely your placement wish pls?
K.
 

Hallo macobt,
I need your feedbacks pls!
K.
 

karesz said:
Hallo macobt,
I need your feedbacks pls!
K.
Click to expand...
Hello
I am sorry for delay,I have very specific work time.
Firs I am beginer of this kind of projects,I dont know very much about understanding the schematic,I dont know if the schematic I post and found is wron,if its wrong dont waste your time:(
I have find this schematic on google and i like it,evrything about changing the parts for me is new:(
J only want to make this voltmeter with that led segments who I have.
Regards
 

macobt, schematic is good, as long as you have a working program for this microcontroller with this schematic. I said, I will make the PCB for you, the second time now and you didn't even contact me on PM. If you want something, you will have to do something for it. Please contact me on PM.
Regards.
 

Hi macobt_delay isnt a problem,

Stop Yungs!
I told, that PICs pinout(Vdd + Vss) are wrong, not the full circuit_ & these is right/true....
Second: The Input range is dangerously soluted, its indiscutable; but with proper dimensioning it can be OK.
If you wish it only for 30V range=is simple to make :), you can see it, corrected, on my schema....
3,
OK, the LEDs are yet clear; Trimmer has maybe 5 &10mm distances_I can make the PCB_or are you other meaning pls?
regards!
K.
 

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