"Hi,
great work, I built a similar one using the sam technique of using a separate channel from RX to control the servo. however I later integrated this channel into the multiwii code. I believe this can gives me better results -in future- if I…"
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MHefny
- Male
- Cairo, Cairo
- Egypt
- Blog Posts (5)
- Discussions (20)
- Groups
- Photos (18)
- Photo Albums (3)
- Videos (5)
MHefny's Discussions
APM 2.5 Connection Problem in Mission Planner
Started Dec 26, 2012 0 Replies 0 Likes
The board was working great... then and with no reason LED B & A stopped working.first I failed to connect to Mission Planner, but then I figured out that pressing the reset button allows me to…Continue
Quadcopter Control-Function Layers
Started this discussion. Last reply by MHefny Nov 18, 2012. 1 Reply 1 Like
IntroductionQuadcopters is a very active topic, it is fun and easy to build, and make use of rich set of sensors for stabilizing and navigation. So if you like flying, mechanics and programming then…Continue
Tags: framework, control, quadcopter, hefnycopter
MHefny's Page
Latest Activity
MHefny commented on Massimo V.'s blog post Inexpensive platform for drone experimentation"I will .... I just get a spitfire diagram and will start to work on it.... thanks :)"
MHefny commented on Massimo V.'s blog post Inexpensive platform for drone experimentation"i hope I can work with palsa one day ..... I want to build a spitfire .... but my skills is not good enough ....
if u have a useful tips or video I appreciate ur help."
MHefny commented on Massimo V.'s blog post Inexpensive platform for drone experimentation"if u are looking for a very strong frame ... try this one http://hefnycopter.net/index.php/building-your-quadcopter/20-vortex-quadcopter.html
I made many crashes and it has never got broken ... "
MHefny posted a status"Build a very durable quadcopter frame very strong yet inexpensive http://ning.it/14hNwmC"
MHefny posted a blog postPID Diagram for HefnyCopter - II Firmware
HefnyCopter2 implements full PID terms that is P, I & D. It uses the following approach.My vision is to keep math as simple as possible and use superposition to accumulate different behaviors together based on my…See More
MHefny replied to Mattias's discussion Quadcopter from scratch, wiring and components"I have recently made a sample very similar to your circuit.... the good news is that u dont need a logic converted ... as u can already use 5V as input to IMU .... and even if u dont and connect 3 V u can still use 5V in SDA & SCL as they are…"
MHefny commented on MHefny's video
Buddy mode
"Well ... there are two RX connected to the KK2 board... the AUX of RX2 which is the primary one is used to switch between the two TX....
kindly check www.hefnycopter.net"
OlivierD. commented on MHefny's videoBuddy mode
"Ok, that is ultra cool. How does it work without a trainer wire between the two transmitter, not sure I understand the idea. You have two receivers on the quad?"
MHefny posted a videoBuddy mode
Static display of Hefnycopter 0.9.4 Buddy mode (two receivers) AUX chanel on primary transmiter changes between RX-1, RX-2 ELEVATOR stick (up or down) change...
MHefny posted a status"http://ning.it/WrzoWz
hefnycopter-brings-altitude-hold-to-the-kk2-0-flight-controller"
Profile Information
- About Me:
- I am a computer Engineer, works in software field. However as a hobby I am interested in hardware and autonomous vehicles.
- Tell us a bit about your UAV interest
- I am trying to build a UAV that can navigate in closed area.
- Hometown:
- Cairo
MHefny's Photos
MHefny's Videos
MHefny's Blog
PID Diagram for HefnyCopter - II Firmware
Posted on February 28, 2013 at 8:30am 0 Comments 1 Like
HefnyCopter2 implements full PID terms that is P, I & D. It uses the following approach.
My vision is to keep math as simple as possible and use superposition to accumulate different behaviors together based on my…
Continue Receiver Handling and Signal Lost Detection Explained
Posted on January 21, 2013 at 11:30pm 0 Comments 2 Likes
How to Measure PWM Signal of RX
As discussed in the user guide, HefnyCopter2 accepts two RX to be connected in parallel, the Primary RX is the RX2, and the secondary one is RX1. That means RX2 should be always available to enable Arming.
Because of this large number of input channels "9 channels" Primary: THR,ALI,ELV,RUD,AUX Secondary:…
Continue My latest version of HefnyCopter2 ... ver 0.9.1
Posted on January 19, 2013 at 10:45pm 0 Comments 1 Like
Convert your Android mobile into RC-GPS Tracker
Posted on November 23, 2012 at 10:00pm 11 Comments 3 Likes
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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.A list of all T3 contests is here.
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