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John Grouse's Discussions

Look ahead position estimation using the last three GPS points and drone speed.

Started this discussion. Last reply by John Grouse Jan 15. 3 Replies

Hi,I've created a working antenna tracker for my hexacopter with a MultiWii controller using a spare Arduino Nano V3 and an XBee Pro 900 pair.  MW protocol is decoded and GPS LAT/LON/Speed and ALT…Continue

Arduino Float / Double lack of precision when processing GPS coordinates.

Started Jan 1 0 Replies

I've hit a bit of a road block on a piece of code I am using to calculate the distance and bearing from a home position to the drone's GPS LAT/LON.  I'm using this code to drive an antenna…Continue

Increasing yaw authority on hex

Started this discussion. Last reply by John Grouse Oct 27, 2012. 2 Replies

Can anyone tell me if I should change my hexacopter motor angles to try and increase yaw authority? I'm sure I have read somewhere that 3deg one way for the CCW motors and 3deg the other way with CW…Continue

Foreign Correspondent ABC TV Australia - Rise of the Machines documentary

Started Sep 4, 2012 0 Replies

Did anyone else in Australia see the Foreign Correspondent documentary "Rise of the Machines"?  Chris Anderson was interviewed in it.  There is even some footage taken in the DIYDrones manufacturing…Continue

Tags: ABC, iView, Chris, Anderson, Correspondent

 

John Grouse's Page

Latest Activity

John Grouse commented on John Grouse's blog post Time to try Hexacopters
"Have pulled the Paris board out and put in a Naze32 STM32 based controller with the Baseflight 32bit implementation of the MultiWii code.  The Paris board was already doing a fine job of keeping the hex stable in the air but this thing is rock…"
May 2
Francisco Obelenis commented on John Grouse's blog post PC joystick to 8ch Tx conversion
"Thanks John, i'll be waiting... If you need some help with the code... i'm here..."
Apr 29
John Grouse commented on John Grouse's blog post PC joystick to 8ch Tx conversion
"Once I have added the SD card reading code back into the project I'll upload to Google Code hosting."
Apr 29
John Grouse commented on John Grouse's blog post PC joystick to 8ch Tx conversion
"Problem solved - had to use software SPI on the Mega by forcing it in Sd2Card.h.  Setting is : #define MEGA_SOFT_SPI 1 Also, instead of the usual Mega SPI pins I had to connect them to these pins : SS 10, MOSI 11, MISO 12, and SCK 13"
Apr 29
John Grouse commented on John Grouse's blog post PC joystick to 8ch Tx conversion
"Love to... once I sort out this strange conflict between the SD library and my LCD_I2C library.  I created a stripped down sample of code with just the SD and LCD_I2C libraries and it appears that when either are used either the reading of the…"
Apr 29
Francisco Obelenis commented on John Grouse's blog post PC joystick to 8ch Tx conversion
"Hello John, i´m very interested in your system, could you share the codes: thanks"
Apr 20
John Grouse commented on John Grouse's blog post PC joystick to 8ch Tx conversion
"In the interests of flexible mixing, I've now separated out channel input settings for trim, expo and reverse, and then output settings for their own trim and travel.  Input channels are called Thottle, Aileron, Elevator, Rudder, Aux1,…"
Apr 8
John Grouse commented on John Grouse's blog post PC joystick to 8ch Tx conversion
"This is the menu system I have been coding. Arduino Mega controlled RC Transmitter - LCD Menu system from John Grouse on Vimeo."
Apr 2
John Grouse commented on John Grouse's blog post PC joystick to 8ch Tx conversion
"Ok, now using a Mega2560 for the main Tx processing and the Tx / Rx modules are now the HK OpenLRS modules.  The complex menu code I wrote ate too much RAM on the Nano.  Heaps of RAM free now on the 2560."
Apr 1
John Grouse commented on John Grouse's blog post Time to try Hexacopters
"I have to say the SimonK firmware is really quite something. The motors are now whisper quiet and it actually feels like there are less vibrations. The hexacopter is now incredibly solid in the air."
Mar 30
John Grouse commented on John Grouse's blog post Time to try Hexacopters
"I snipped off the motor wire bullet connectors and soldered them directly the the ESC.  The wires are just tucked back into the hub out of the way.  ESC's are the OPTO versions without BEC's.  At a guess these drain less…"
Mar 28
John Grouse commented on John Grouse's blog post Time to try Hexacopters
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Mar 28
Copter Richie commented on John Grouse's blog post Antenna tracker for the MultiWii platform using MW V2.1 protocol.
"John, may I ask, what is a collective stick/control? Thank you."
Jan 28
John Grouse commented on John Grouse's blog post Antenna tracker for the MultiWii platform using MW V2.1 protocol.
"Todo: 1) construct a usable collective control that can attach to a portable chair.  Use stereo 3.5mm audio cable between collective (throttle control) and Joystick. 2) take the code I was using for the Joystick Nano and use it in the TX box…"
Jan 28
John Grouse commented on John Grouse's blog post Antenna tracker for the MultiWii platform using MW V2.1 protocol.
Jan 28
Nikos Korobos commented on John Grouse's video
Jan 25

Profile Information

About Me:
Work for a software developer in Sydney.
Obsessed with RC as a child. Now in my 40's and enough spare cash to tinker in RC hobbies, I'm drawn towards multicopters and FPV flying.
Tell us a bit about your UAV interest
I like photography and I like flying RC planes/heli's. Put the two together...
Hometown:
Blue Mountains, NSW, Australia

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John Grouse's Blog

Antenna tracker for the MultiWii platform using MW V2.1 protocol.

Posted on November 29, 2012 at 8:10am 40 Comments

Just spent a couple of hours getting my head around the MultiWii V2.1 serial protocol.  This involved looking at EOSBandi's MW-WinGUI Visual Studio c# code and adapting the essential bits I need to a simple test VB 2010 app.  The app sends the commands to get the GPS bearing and distance to home as well as the…

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Time to try Hexacopters

Posted on August 30, 2012 at 9:00pm 41 Comments

Was getting annoyed by the stupidly heavy frame of the Scorpion Y650 which is made of thick fibreglass sheets (available from Hobbyking).  With the GoPro sitting on the camera gimbal and a 4S 3000mAh battery I was only getting 6-7 min flying time.  

Had a look at the price of CF sheets and CF 450 size heli…

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PC joystick to 8ch Tx conversion

Posted on July 3, 2012 at 8:00pm 28 Comments

I've been looking at my unused twist grip joystick for a while now thinking about hooking it up to a transmitter via the PPM trainer port.

I might go a step beyond this and get a new 2.4GHz Tx module and add that to the joystick to make it a transmitter.

Fly-Dream make an affordable and reliable…

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Season Two of the Trust Time Trial (T3) Contest has now begun. The fourth round is an accuracy round for multicopters, which requires contestants to fly a cube. The deadline is April 14th.

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