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  1. vlittle

    External AOA Display?

    Thanks for reaching out. The external AOA indicator is one of the instrument pages available on the huVVer-AVI device available at http://makerplane.org/. There are currently: ASI, ALT/VS, HDG, AI, AOA, ONSPEED, and three types of engine instrument pages. I have mounted one on the...
  2. vlittle

    Dynon hdx to a HUD.

    Not a true HUD, but it keeps your head up. From huvver.tech, Originallyy developed as an OnSpeed display, now a complete set of flight and engine instruments. My new build has 8 of them, including two glareshield displays, one as a tailBeaconX controller, and the other 5 displaying flight or...
  3. vlittle

    SV-AP-PANEL Trim With 7-amp Brushed DC Motor

    For 10 years, I have been flying behind a custom autotrim controller that I designed to work with my SkyView system (and predates Dynon's offering). It can drive up to 7 amps per motor, and it has built in take/off and landing presets for both trim axes and flaps. That's the good news. The...
  4. vlittle

    New gremlin and I'm stumped! No trim??

    I recall that if you connect the two SV screen Contact 1 inputs together, some wonky things happen with the autopilot. It's a WAG guess here, but easy to try, by disconnecting one of them. Vern
  5. vlittle

    Using an iPad as a repeater screen for the HDX?

    Ouch! The huVVer-AVI displays that we developed are not 'homebrew’ devices. They were developed specifically to provide sunlight-readible displays for the OnSpeed advanced angle of attack systems, which won the Oshkosh 2021 Grand Championship award for flight safety. In addition to the...
  6. vlittle

    How to add Bluetooth to a Dynon intercom system

    For reference, here's how I did BT. From 2014 Vern
  7. vlittle

    Shunt breakage

    I had one melt in my Harmon Rocket and one break in my S-21 (not flying). In both cases, I made new bases out of phenolic. That's a 100% failure rate. New base shown below:
  8. vlittle

    Need to turn off Pull up Voltage on Pin 22 in EMS

    This is an updated schematic diagram, which more clearly indicates the resistor network that I used for sensing switched +14V signals In this case, power to EMag ignitions and the fuel pump. The pin 9 of the DSUB connects to one of the EMS grounds. Vern
  9. vlittle

    Which Horsepower, Rated or Dyno?

    Neither. The more efficient you engine, the lower your HP setting in the SV. You twiddle this setting until your PK setting matches the EGT peak. https://preflight.dynonavionics.com/2014/02/did-you-know-percent-power-dynon-way.html?m=1 Vern
  10. vlittle

    12V On/Off Inputs

    This circuit was designed to provide 5V on the input with a 15V signal. Typically, you'll see 12-14.5V, so this won't overload any of the SV inputs. It can be used with both normal and enhanced inputs, just check the voltages on the debug page with the switch open and closed and set the...
  11. vlittle

    EGT & CHT probe failures

    I will make an important statement here: In my opinion, Jake is one if the most experienced Dynon users on the planet. You can pretty well take what he says at face value. In my case, I replace all of my TC connections with butt-splices from AMP (PIDG type). When the probes wear out, I just...
  12. vlittle

    Using an iPad as a repeater screen for the HDX?

    In my experience, Dynon does listen. I am sure they have an internal database of suggested features that they review and prioritize. The ADSB-472 device for example, was introduced to address the shortcomings of the ADSB-470. I recall lobbying hard for them to support ship-to-ship traffic...
  13. vlittle

    Dynon 16.4 update corrupt email notification.

    Got it! That's the utility doing it's job. Dynon is using a third party to send emails, and my system is rejecting it. I have no relationship with Constant Contact. About Constant Contact Constant Contact, Inc. (together with its subsidiaries, “Constant Contact”, “us” or “we”) offers its...
  14. vlittle

    Dynon 16.4 update corrupt email notification.

    FYI, the email I got from Dynon on 16.4 software throws up this message when clicking any link: uBlock Origin has prevented the following page from loading...
  15. vlittle

    Need to turn off Pull up Voltage on Pin 22 in EMS

    The SkyView EMS Enhanced Inputs will work fine with this arrangement. Personally, I would use a 20K resistor connected to the Sensor if it is a 12V source, so that the voltage divider gives 4.75V with a 14.25 volt switched input. This is to prevent overdriving the EMS input. Dynon doesn't...
  16. vlittle

    Using an iPad as a repeater screen for the HDX?

    Something like this? These take the WiFi streaming data from SkyView and just need power.
  17. vlittle

    Need to turn off Pull up Voltage on Pin 22 in EMS

    Here's more detail on what I did (for the EMS inputs that have programmable pullups). The first diagram is a bit hard to read, but the 10K resistors are all connected to ground. With the internal pullups set to 10K, the voltage thresholds are as listed. By putting the shunt resistors nearest...
  18. vlittle

    Need to turn off Pull up Voltage on Pin 22 in EMS

    Some of the EMS inputs don’t allow the internal pullups to be disabled. In this case, for example, I use 20K series resistors with a 10K shunt resistor. Use the raw sensor data to determine the ON and OFF voltages and set the threshold in the middle. I used this technique to measure my fuel...
  19. vlittle

    Space based ADSB

    Well, I got tired of waiting for a Dynon-made solution, so what does you average engineer do? Build one. Covered in other threads, but here it is again: This is the huVVer-AVI device, available now from store.makerplane.org, with a software App available from my site...
  20. vlittle

    Dynon Transponders and ADS-B in Canada

    Here is a sneak preview of a video demonstrating the user interface of the huVVer-AVI TBX controller. Note that some of the significant features are not demonstrated, nor is the system settings page. It was created by my manufacturing/distribution partner MakerPlane: This also shows the 3"...
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