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I can't arrange the components in a PCB !!

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Hunter666_444

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I am building a 4 digit voltmeter PCB 10 cm by 15 cm and I tried all the alignments possible but still no way,I also tried to copy the schematic and tried auto placer tool (PROTEUS 8.6) . Any ideas ??
Thanks in advance...
Untitled.png
 

Hi,

First
* draw the complete schematic
* then use two layer PCB
* then do the placement according the schematic (display controller, power supply capacitors, most important signals, least important signals)
(I´d try to rotate the controller 90° clock wise and place it below the displays)

Klaus
 

its a uni project and I all wires to be bottom copper
here is my schematic

ktErFRa.png

[found at: imgur. com /ktErFRa]

is there a solution ?
 
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Hi,

The schematic is a mess.
Clean it up. Use GND symbols. They don't cost a thing.
Avoid unnecessary crossings, avoid unnecessary junction dots, place junction dots where they belong to.

Klaus
 
DP current limiting resistor missing.

- - - Updated - - -

all wires to be bottom copper
Click to expand...
Single layer PCB is feasible for a simple circuit like this, but you need jumper wires.
 

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