About

Gender

Male


Location

Campbell, CA


About Me:

Electrical Engineer


Please tell us a bit about your UAV interest

Have 2 quads


Hometown:

Campbell, CA


Activity Feed

Charles Linquist posted a discussion
Others have asked similar questions, but I have not seen a satisfactory answer.I'm running PixHawks, and I have 2 GPSs.  I have the option of 1. USE BEST  or 2. BLENDI understand what "Use best" means, but I have noticed that I get a bit less…
Apr 25, 2020
Charles Linquist commented on Scott Berfield's blog post Adding External LED Indicators and a Piezo Beeper for Arm and GPS Status
"I had all this working when I was using APMs, now that I am flying PixHawks and CUBEs exclusively, I wanted the same functionality."
Apr 25, 2020
Charles Linquist replied to Charles Linquist's discussion Telemetry and HD video over 4G
"I have changed my setup a bit.  I have never used any special software like Mavproxy or PiMavlink or anything like that.  I just run normal telemetry through a RPi 3A or 4 and use the Raspberry to connect to Verizon or T-Mobile, and then use SER2NET…"
Mar 22, 2020
Charles Linquist replied to Charles Linquist's discussion Analog RSSI from cheap 915MHz radios
"OpenUAS said:
Si1000 based modem with SiK opensource software the 3DR "clones" see https://ardupilot.org/copter/docs/common-3dr-radio-advanced-configu... you asked for analog RSSI, good on the Nice RFD900/868 there are I/O pins left else on those…"
Jan 28, 2020
Charles Linquist posted a discussion
I would like to build a stand-alone telemetry tracker based on the analog signal strength of the incoming signal. I plan on using a relatively large DISH antenna or 4 YAGIs, and 4 receivers .  The signal strengths would be tested against each other,…
Jan 21, 2020
Charles Linquist replied to Charles Linquist's discussion Telemetry and HD video over 4G
"It says I need dji stuff.  I have my own products, and nothing is dji."
Aug 16, 2019
Charles Linquist replied to Charles Linquist's discussion Telemetry and HD video over 4G
"A couple of things: 
Are you sending streaming video, or just telemetry/control?
One thing comes to mind - If you are using a MiFi, you should be using a hard-wired connection.  Relying on yet another WiFi link is probably not a good idea.  I like…"
Mar 16, 2019
Charles Linquist left a comment for Charles Linquist
"I dropped this project for awhile because I have been working on a larger gasoline-powered hybrid "hex" with 3+ hour airtimes. I should be able to get everything finalized within a week.  I'll let you know.
Sometime in the next two weeks, I will…"
Dec 9, 2018
Charles Linquist posted a discussion
I'm using Windows7/32I used the instructions found at:http://ardupilot.org/dev/docs/building-px4-with-make.htmlI downloaded the PX4 toolchain.exe file and installed it.Then, in "All Programs" I chose "PX4 Software Download", but got a bunch of…
Sep 15, 2018
Charles Linquist posted a discussion
For many versions of MP, I cannot graph log files.   I can load and "play" the log files, but I cannot GRAPH the telemetry log files.I have tried several computers, removed and re-installed MP, but NOTHING works!I need to be able to graph the logs. …
Jul 21, 2018
Charles Linquist posted a discussion
I'm running Mission Planner 1.3.56. I have been unable to graph logs for some time.  I have upgraded with every release in an attempt to get this working again.  While I can't say exactly when the problem started, it was at least 3 revisions ago.…
Jun 18, 2018
Charles Linquist posted discussions
Jun 8, 2018
Charles Linquist replied to Charles Linquist's discussion STORM 32 Gimbal doesn't work
"I see the area where the problem lies.  When I use the DATA DISPLAY, the accelerometer outputs look normal, but when I use the CONFIGURATION TOOL, the first item -  "Determining Z axis" fails.  It sits there and times out and then says I need to…"
May 30, 2018
Charles Linquist replied to Charles Linquist's discussion STORM 32 Gimbal doesn't work
"I'm familiar with gimbal setup. I have 7 Alexmos boards and 3 Tarot 3D's. All of them at least TRIED to work as soon as I applied power. I bought the Alexmos as bare boards and built my own gimbals with my 3D printer. Even before calibration, and…"
May 30, 2018
Charles Linquist posted a discussion
I just received a 3-Axis gimbal with a Storm32 controller.  I loaded the GUI and find that the board has version 090 firmware.  The board is V 1.3.I can read and write to the board with the GUI.  I put a camera on the cradle and attached a 4S…
May 30, 2018
Charles Linquist replied to Charles Linquist's discussion Telemetry and HD video over 4G
"I use a Raspberry pi running SER2NET, AUTOSSH, WVDIAL, and a few other programs.
The switchover between 4G and RFD900 is done in a separate T
EENSY processor.  The TEENSY handles a lot of object avoidance stuff too, since it understands Mavlink, and…"
Apr 17, 2018
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