ARHEXA's Blog (22)

Compatibility list of the 6-Position Mode Switch

Compatible at 100% of the purchases !

We finally have some 6-Position mode switch DIY kit, compatibility info for new users !…


Added by ARHEXA on October 8, 2012 at 5:30pm — 16 Comments

UNIVERSAL 6 position mode switch for ANY TX !

Well, technology is developing fast, but one issue always remains: how to config the TX to allow 6 modes...

Here is a 6 modes switch for ANY Transmitter !

Enter for details

The idea is to have 4 trimmers to allow precise setting of the wanted PWM…


Added by ARHEXA on June 26, 2012 at 11:00am — 19 Comments

3.3 million microFarads help your servos and reduces noise

This voltage protector offers 3,300,000 uF of energy storage in a small and lightweight package.


more powerful…


Added by ARHEXA on February 17, 2012 at 8:30am — 11 Comments

Real strobes for your plane !

I personally don't like these constants LEDs very much,

how cool is that:  a real xenon strobe like in real airplanes - for your RC plane !


I've flown with it last evening - it was AWESOME !  

draws much attention...



can get it…


Added by ARHEXA on August 6, 2011 at 6:00am — 5 Comments

Find your UAV when it get lost - Dronecell and GPS

Following Chris' post about the dronecell, here is a first use i've made with it.




I combined a GPS, which is being read by a PIC controller, every X seconds, then every 5 readouts it will send the last 5 readings over SMS text message to my cellphone.


The idea is to create a small and compact device, with autonomous…


Added by ARHEXA on June 3, 2011 at 1:30pm — 21 Comments

6 POS Mode Switch

Finally a simple and reliable solution.

came out with a 6-way mode switch.

the solution that will make your life easier. REALLY.


First to credits - Max Levine has firstly shown this method here, using 'off the shelf' resistor values, which might work, but keep…


Added by ARHEXA on June 2, 2011 at 5:30am — 3 Comments

Hexa project: gathering hardware...


Well it has been quite long since last update...

the project was kinda delayed....



almost all of the hardware arived.

soon all parts will meet each other... to create the greatest of all..... the.. ____ (still looking for a name)



Added by ARHEXA on May 29, 2011 at 12:30pm — 8 Comments

DroneCell and 900Mhz Xbee problems ?....


I had the brilliant idea of building a device that will send GPS location over SMS text messages.

this, after i lost my prototype quad Arducopter last week. it felt not too far, i could hear it, but a few days of searching in the forest gave nothing....


R.I.P. dear copter.

here is the last successful flight, in memory..



Added by ARHEXA on May 15, 2011 at 11:03am — 16 Comments

First Quad video flights

Meanwhile it's a compact Nikon L22 pocket cam,

next one will be GoPro soon, then finally the big DSLR on the Hexa frame.




Added by ARHEXA on May 4, 2011 at 6:18am — 3 Comments

DIY HEXA power distribution PCB

Hexa frame adventures continue !


This time I've prepared the power board that will distribute power to all 6 ESC's and to additional devices (video TX, camera controls receiver unit, tracking system TX, LEDs and more...)


Important issues were: Lightweight, simple, high current, fail-proof.





Added by ARHEXA on April 29, 2011 at 2:30am — 13 Comments

HEXA frame continues: Anti Vibration Motor Mounts

step by step, the HEXA frame is being constructed.

haven't worked on it for a while, but now i'm done with an interesting part:




I used the original arducopter motor mounts (the plates that come with the motors, which are not used on the official arducopter frame)

to be tied on the square arms, and between the mount and the motor,…


Added by ARHEXA on April 27, 2011 at 9:54am — 28 Comments

First flight - first (BIG) crash

First enemy: WINDY DAYS.



It was windy but ive managed to find some less windy areas to fly today,

i decided to give it a chance, after checking all's OK in the living room, hovering about 10cm...


GPS hold seemed to work, as at one point it was drifting a lot with the wind and suddenly changing direction back to the launch point…


Added by ARHEXA on April 24, 2011 at 7:48am — 11 Comments

Heavy DSLR mount - Part I

The tilt (pitch) servo mounted and working in the heavy DSLR mount system:




as followers know, my copter will carry a 1.5kg DSLR system.


I'll be testing the mount with DSLR attached really soon,

so i can figure out if this 13kg servo is enough.

some 'intuitive' tests showed it has great torque, but might be a bit at…


Added by ARHEXA on April 20, 2011 at 2:00pm — 5 Comments

Review of the custom ground station

Well, here is a general block diagram of the custom ground station.

It's planned to be integrated in a medium-sized aluminum case, easy to fold and expand on field, with easy transportation.



for the moment i have finished only one of the four systems - the voltage tracking:…


Added by ARHEXA on April 15, 2011 at 1:04pm — No Comments

construction of the HEXA frame & camera mount

While still waiting for the TX/RX to arrive,

I started to design and build the HEXA frame for upgrade



each arm is made of 14x14mm 1mm wall square tube,

arm length: 40cm from center, 80cm from motor to motor.

center plate is 16cm dia., two 2mm thick plates.



Also, i have done weight calculations and…


Added by ARHEXA on April 13, 2011 at 4:00pm — 23 Comments

Custom Wireless tracking system

I've came up with a customized development of a battery tracking system.

it is a kind of telemetry that will report voltages, temperatures and more data in the future.



my goals were:

  • to be able to set the alarm at different voltages (sometimes 3.0v/cell, sometimes 3.3v)
  • to be able to use a variety of batteries -…

Added by ARHEXA on April 13, 2011 at 11:30am — 4 Comments

Balancing props

well, that's an annoying thing to do ...!



But definitely rewarding.




My test bench was actually the arducopter arm, on which i mounted the prop to be balanced.

i hesitated how to balance them,…


Added by ARHEXA on April 3, 2011 at 7:30am — 12 Comments

Copter frame assembly

OK so i got the frame parts and assembled it all...



APM and power distribution board:

the flat rainbow wire (black white gray purple blue) is from the power board, it carries GND, Left, Right, Front, Back.

i just used my own wire to have greater length and flexibility. i wanted the GND too because i will power the electronics with…


Added by ARHEXA on April 2, 2011 at 12:30am — 5 Comments

Electronics arrived - assembly

Finally got my 'Tronics from the store

Up to the assembly work !





The boring work completed after a couple of minutes:



Added by ARHEXA on March 27, 2011 at 11:30pm — 10 Comments

PARACHUTE anyone ?

Maybe someone has encountered a small scale parachute ?

I'd like to add a safety parachute to the Arducopter !! help me decide....



As part of the project is to use an expensive DSLR on the copter,

My GF said i must have some kind of emergency parachute... after joking at it, i thought deeper -

I'd rather feel much safer having a…


Added by ARHEXA on March 27, 2011 at 7:50am — 59 Comments

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