PCB Layout for Astable Multivibrator - English

Questions posted on ST Forums:

• air wire connections

  My air wire connections for the upper part (J1,R1,R4,J3) are not showing as shown in the video, is it ok or not? should I continue? If no then how to make that connections correct?It is showing as follows:

  02-03M 50-60S priya___123
  
  
  Answer last updated on: June 12, 2022, 11:02 p.m.

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• Ground plane

  Why a big portion of PCB isn't filled with the ground plane ass shown with black colour except that whole PCB is filled with green colour.This portion is nearby to D1 and C1 and is almost 30-35% of the whole PCB.

  11-12M 30-40S sc256356
  
  
  Answer last updated on: June 3, 2022, 4:51 p.m.

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• eSim_PSpice not found

  I have checked in my eeschema that it is added previously under Preferences>Component Libraries but then too when I open ASM_PCB file it is showing The following libraries were not found:eSim_PSpice

  04-05M 20-30S ashugupta21199@gmail.com
  
  
  Answer last updated on: Feb. 12, 2021, 2:23 p.m.

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• Gerber file

  I'm trying to open Gerber files by pressing Ctrl+alt+T but it's not opening plz suggest other way to open Gerber files 

  11-12M 0-10S Rojak13
  
  
  Answer last updated on: June 10, 2020, 7:57 a.m.

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• Fill or refill all zones

  When i right click in board outline i'm not getting "Fill and refill all zones" option. i did't get that option in voltage regulator example also.

  07-08M 0-10S hemabiradar@gmail.com
  
  
  Answer last updated on: May 13, 2020, 11:28 p.m.

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• Python issue

  \r\np, li { white-space: pre-wrap; }\r\n\r\n[INFO]: Kicad to Ngspice Conversion is called\r\n[INFO]: Current Project is /home/student/eSim-Workspace/pbk_astable\r\n[INFO]: Ngspice simulation is called : /home/student/eSim-Workspace/pbk_astable\r\n[INFO]: PythonPlotting is called : /home/student/eSim-Workspace/pbk_astable\r\n[ERROR]: Exception Message :[Errno 2] No such file or directory: '/home/student/eSim-Workspace/pbk_astable/plot_data_i.txt'\r\n[ERROR]: Exception Message :local variable 'alli' referenced before assignment\r\n[ERROR]: Exception Message : [Errno 2] No such file or directory: '/home/student/eSim-Workspace/pbk_astable/plot_data_v.txt'\r\n[INFO]: Kicad to Ngspice Conversion is called\r\n[INFO]: Current Project is /home/student/eSim-Workspace/pbk_astable\r\n[INFO]: Ngspice simulation is called : /home/student/eSim-Workspace/pbk_astable\r\n[INFO]: PythonPlotting is called : /home/student/eSim-Workspace/pbk_astable\r\n[ERROR]: Exception Message :[Errno 2] No such file or directory: '/home/student/eSim-Workspace/pbk_astable/plot_data_i.txt'\r\n[ERROR]: Exception Message :local variable 'alli' referenced before assignment\r\n[ERROR]: Exception Message : [Errno 2] No such file or directory: '/home/student/eSim-Workspace/pbk_astable/plot_data_v.txt'\r\n[INFO]: Ngspice simulation is called : /home/student/eSim-Workspace/pbk_astable\r\n[INFO]: PythonPlotting is called : /home/student/eSim-Workspace/pbk_astable\r\n[ERROR]: Exception Message :[Errno 2] No such file or directory: '/home/student/eSim-Workspace/pbk_astable/plot_data_i.txt'\r\n[ERROR]: Exception Message :local variable 'alli' referenced before assignment\r\n[ERROR]: Exception Message : [Errno 2] No such file or directory: '/home/student/eSim-Workspace/pbk_astable/plot_data_v.txt'\r\n[INFO]: Ngspice simulation is called : /home/student/eSim-Workspace/pbk_astable\r\n[INFO]: PythonPlotting is called : /home/student/eSim-Workspace/pbk_astable\r\n[ERROR]: Exception Message :[Errno 2] No such file or directory: '/home/student/eSim-Workspace/pbk_astable/plot_data_i.txt'\r\n[ERROR]: Exception Message :local variable 'alli' referenced before assignment\r\n[ERROR]: Exception Message : [Errno 2] No such file or directory: '/home/student/eSim-Workspace/pbk_astable/plot_data_v.txt'\r\n[INFO]: Ngspice simulation is called : /home/student/eSim-Workspace/pbk_astable\r\n[INFO]: PythonPlotting is called : /home/student/eSim-Workspace/pbk_astable\r\n[ERROR]: Exception Message :[Errno 2] No such file or directory: '/home/student/eSim-Workspace/pbk_astable/plot_data_i.txt'\r\n[ERROR]: Exception Message :local variable 'alli' referenced before assignment\r\n[ERROR]: Exception Message : [Errno 2] No such file or directory: '/home/student/eSim-Workspace/pbk_astable/plot_data_v.txt'\r\n[INFO]: Ngspice simulation is called : /home/student/eSim-Workspace/pbk_astable\r\n[INFO]: PythonPlotting is called : /home/student/eSim-Workspace/pbk_astable\r\n[ERROR]: Exception Message :[Errno 2] No such file or directory: '/home/student/eSim-Workspace/pbk_astable/plot_data_i.txt'\r\n[ERROR]: Exception Message :local variable 'alli' referenced before assignment\r\n[ERROR]: Exception Message : [Errno 2] No such file or directory: '/home/student/eSim-Workspace/pbk_astable/plot_data_v.txt'

  05-06M 0-10S prashul
  
  
  Answer last updated on: Sept. 21, 2019, 1:16 p.m.

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