Ralph Wu
  • Male
  • Hong Kong
  • Hong Kong
Share Twitter

Ralph Wu's Friends

  • Chakradhar
  • shahril ali
  • Hex Air Robot
  • Mitch Anderson
  • Gary T
  • Josh Potter
  • Chris Eddy
  • Harry Michopoulos
  • Ashley Belbin
  • Brett Smith
  • Josh Greek
  • Tommy Larsen
  • Mehdi Daryadel
  • Philip Asante
  • Wyatt Ciomperlik

Ralph Wu's Groups

Ralph Wu's Discussions

Factory Made SimonK ESC Full Range or 400hz firmware for Multicopters

Started Nov 19, 2012 0 Replies

I got supply of factory made SimonK or 400hz firmware custom made for multicopters. So it can save your work of firmware flashing. Please show your interest and I will put the items on…Continue

Paparazzi Umarim Lite for Sale

Started Oct 17, 2012 0 Replies

Paparazzi Umarim Lite Preorder …Continue

uBlox 6 GPS With Case

Started this discussion. Last reply by Ralph Wu Oct 10, 2012. 4 Replies

A nice UBlox 6 Case for APM, MegaPirate, Multiwii etc.…Continue

Sending APM to near space and return?

Started this discussion. Last reply by Larry Grater Jan 1. 17 Replies

I am thinking sending APM power glider to near space by balloon and return home.  Anyone already made it?…Continue

 

Ralph Wu's Page

Latest Activity

Larry Grater replied to Ralph Wu's discussion Sending APM to near space and return?
"My release was servo activated and the servo was inside the insulated airframe (as was my elevator servo).  The servo was controlled with APM based on altitude, longitude, freefall and time constraints.  Some of that is probably not…"
Jan 1
Mhmoud Essalah replied to Ralph Wu's discussion Sending APM to near space and return?
"Thanks for sharing that Larry, and congratulations, I'm going to be frank and say that you will be heavily cited in our research. But I was hoping you could help me out here: I'm interested in your release mechanism, I've seen it…"
Jan 1
Larry Grater replied to Ralph Wu's discussion Sending APM to near space and return?
"North Texas Near Space 4 I had lost that link, thanks for posting.  It was interesting to review.   This was posted elsewhere, but thought you might like to see APM at altitude.  Minor SW issues have been corrected for a re-try…"
Jan 1
Mhmoud Essalah replied to Ralph Wu's discussion Sending APM to near space and return?
"These guys from BC, Canada did it, long before the RCexplorer guy. They may have been the first, even. But here is their website, they seem to have documented their adventures quite well. http://www.canuck-boffin.net/sonde/index.htm We are doing…"
Dec 31
Andrew Neushul replied to Ralph Wu's discussion Drones Parts from China
"Hi Ralph, I'm using common RC parts for our SwiftBot quadcopter.  This uses 30A SimonK ESCs, 750kV motors, 10x4.5 props, and APM 2.5/2.6, 'DJI' 450mm frame.  What's special about it is the 3D parts and enclosures…"
Nov 20, 2013
Ralph Wu replied to Ralph Wu's discussion Drones Parts from China
"Yes, it does. It can be used on X650. It is new product available now but not showed on the web."
Nov 20, 2013
John Stuart replied to Ralph Wu's discussion Drones Parts from China
"Will this gimbal fit onto an xAicraft X650 frame? Also, what is the weight? I don't see this gimbal listed on your droneasy site, is it still in development?"
Nov 20, 2013
Ralph Wu replied to Ralph Wu's discussion Drones Parts from China
" This 2-Axis Brushless Gimbal for GH2/GH3 may fit your requirements and it fit for Tarot Iron 650 or 680 Quad/Hex Carbon Frame.  You can visit Droneasy for more products info.  "
Nov 19, 2013
Ivan Farkas replied to Ralph Wu's discussion Drones Parts from China
"I need a frame and gimbal to carry a GH3, plan to use the PX4 hardware, might need a gyro for the gimbal. How much is the frame and gimbal?"
Nov 18, 2013

Moderator
Morli commented on Ralph Wu's blog post MultiWii Mini with DMS2 RX module
"DSM open source ?  Nope,  however Multiwii can use the spectrum RX serial o/p ( connect the spectrum  satellite  rx) directly to it ")"
Jun 5, 2013
Crasher commented on Ralph Wu's blog post MultiWii Mini with DMS2 RX module
"The link states 7.8g, 70g would be one big circuit board!! "
Jun 5, 2013
Ralph Wu posted blog posts
Jun 5, 2013
Sam commented on Ralph Wu's blog post Mini WMC with DMS2 RX module
"sorry newb question. what douse WMC stand for?"
Jun 4, 2013
Hyon Lim commented on Ralph Wu's blog post Mini WMC with DMS2 RX module
"Is the receiver for DSM open source?"
Jun 4, 2013
Steve commented on Ralph Wu's blog post Mini WMC with DMS2 RX module
"WMC? You mean MWC for multiwii?"
Jun 4, 2013
Nigel Cartwright commented on Ralph Wu's blog post Mini WMC with DMS2 RX module
"Interesting, but would be better of the huge pin array was left off, just give us solder holes!"
Jun 4, 2013

Profile Information

About Me:
I am hobbyist of high tech gadgets and IT professional.
Please tell us a bit about your UAV interest
Aerial photography and LiDAR.
Hometown:
Hong Kong

Ralph Wu's Photos

Loading…
  • Add Photos
  • View All

Ralph Wu's Blog

MultiWii Mini with DMS2 RX module

Posted on June 4, 2013 at 12:30am 8 Comments

This is a tiny MultiWii FC integrated with 7-Channels DMS2 RX module. Weight is just 70g and it can fit into mini Quad or Hex copters

You can have more details at following link:…

Continue

Quad X FPV Frame for APM 2.0/2.5 board

Posted on February 28, 2013 at 7:16am 3 Comments

A new quad X FPV frame for APM 2.0/2.5 board.…

Continue

Low-price GPS with mount

Posted on January 31, 2013 at 12:00am 4 Comments

A nice low price uBlox GPS with case and mount for $34

http://www.droneasy.com/index.php/electronics/gps-2/ublox-g6010-gps-kit.html

Vortex radio waves could boost wireless capacity “infinitely”

Posted on December 13, 2012 at 4:00am 3 Comments

I am curious about and learning Vortex Maths of Marko Rodin and Double Torus Universe pattern and how they can apply to radio communications and I found someone already did.  Vortex radio waves could boost wireless capacity “infinitely”. Using this method to boost bandwidth of ground station and drone radio communication.

From…

Continue

Comment Wall

  • No comments yet!

You need to be a member of DIY Drones to add comments!

Join DIY Drones

 
 
 

© 2014   Created by Chris Anderson.   Powered by

Badges  |  Report an Issue  |  Terms of Service