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Components used

To replicate display for the B737-800 electric panel you can simply use any appropriate 7-segment indicators, five 3-digit indicators in total.

For better realism, to be able to display some test messages besides digits, you could use the 4.3" TFT display, but this method requeres additional program and hardware support and cannot be used with SimVim directly.

Another option that is suitable for direct use with SimVim, you can build it using a suitable size character LCD displays. The best would be a couple of 24 x 1 LCD, but there is no such (at least I didn't find it).


But there are 24x2 character displays which have quite a suitable size. You can take two such displays with white simbols, place them behind the panel mask as on the picture below and cover with dark-green glass to get green characters:

Configuration

Then you can assign needed parameters (voltage, amps, frequency) as usual in the configurator. For both LCDs only the first line is used to display data. See how to use LCD with SimVim.

Note: What data and how can be displayed will depend on the b737 model you are using. For standard use only "DC_Volts_Selected" parameter can be used now to display DC value and Bus_Amps, Bus_Volts, Battery Amps, Volts.

For custom planes several special SimVim names implemented and can be used. All electric display positions can be assigned to output and every display shows value of corresponding datarefs accordingly with rotary switches position.
You need to select in the configurator and assign for displays these 5 parameters:

  • DC_Volts_Display -- displays DC volts depending on the DC selector position
  • DC_Apms_Display -- displays DC Amps depending on the DC selector
  • AC_Volts_Display -- displays AC volts depending on the AC selector position
  • AC_Amps_Display -- displays AC Amps depending on the AC meters selector
  • AC_Freq_Display -- displays AC requency of source selected by AC meters selector
Examples of SimVim input/output mapping for different aircrafts including B737 >>>


Reference - datarefs used in Zibomod Laminar B737 (v3.30):

Note: These Zibo dataref list is for reference only, you don't need to know them and insert somewhre, all they are already included in the conversion data file and you need only the parameter names listed above.

    DC_Volts_Display
  1. sim/cockpit2/electrical/battery_voltage_indicated_volts[1]
  2. sim/cockpit2/electrical/battery_voltage_indicated_volts[0]
  3. sim/cockpit2/electrical/battery_voltage_indicated_volts[0]
  4. sim/cockpit2/electrical/bus_volts[0]
  5. sim/cockpit2/electrical/bus_volts[1]
  6. sim/cockpit2/electrical/bus_volts[2]
  7. none
    DC_Amps_Display
  1. none
  2. none
  3. sim/cockpit2/electrical/battery_amps0]
  4. sim/cockpit2/electrical/bus_load_amps[0]
  5. sim/cockpit2/electrical/bus_load_amps[1]
  6. sim/cockpit2/electrical/bus_load_amps[2]
  7. none
    AC_Volts_Display
  1. none
  2. laminar/B738/ac_volt_mode1
  3. laminar/B738/ac_volt_mode2
  4. laminar/B738/ac_volt_mode3
  5. laminar/B738/ac_volt_mode4
  6. laminar/B738/ac_volt_mode5
  7. none
    AC_Amps_Display
  1. none
  2. none
  3. sim/cockpit2/electrical/generator_amps[0]
  4. sim/cockpit2/electrical/APU_generator_amps
  5. sim/cockpit2/electrical/generator_amps[1]
  6. none
  7. none
    AC_Freq_Display
  1. laminar/B738/ac_freq_mode0
  2. laminar/B738/ac_freq_mode1
  3. laminar/B738/ac_freq_mode2
  4. laminar/B738/ac_freq_mode3
  5. laminar/B738/ac_freq_mode4
  6. laminar/B738/ac_freq_mode5
  7. none

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