Spykee Camera Head Tilt Mod Completed

[CdRsKuLL]

This mod will enable you to control the angle of the camera from the standard Spykee console. It works by reading the LED's on the base (green / red).

See the youtube video below
<a href="http://www.youtube.com/watch?v=fN_9rkovW6s" target="_blank">http://www.youtube.com/watch?v=fN_9rkovW6s</a>

To enable the servo you need to turn on BOTH led's for 2 seconds. Then if you turn one OFF it will then move the servo until you turn it back on. If you turn them both off it will turn the servo off until both LED's are turned back on again for a further 2 seconds.

Items I used.

A standard Radio Controlled servo. (£5) I used a old HPI from a RC car I had.
Arduino Nano (the brains) The code for this is attached below. (£30)
Bits of wire (£0)

This is the wiring diagram I've used


You will need to redesign the Spykee to enable you to move the servo forward and backwards to tilt you head. I have attached my servo with tiewraps(zip things)

I drilled out one of the green plugs and left out one of the screws which enabled me to pass the servo wire through. I can then just stick a black plug back in and I'm not left with a hole (see below)


I have attached the code for the Arduino in a text file. Just copy and paste it into the Arduino IDE.

You can set the servo limits be altering these lines
int minPulse     =  600;  // minimum servo position 
int maxPulse     =  1900; // maximum servo position 

600 is the minimum but you can go upto 2400 for the maximum (0 to 180 deg's)

Please post questions / results





thanks

Steve

[JLI]

bonjour

Merci tres bon travail .....@+

[Rover57]

Hey CdRsKuLL,
   THANK YOU so much, you've made it very clear how to do this mod.~

[valentinfr]

hello,
can you put more picture for build this spykee?
by
valentin

[junglew]

 perfect  very very thanks..

[junglew]

 Thanks steve   very good..bud where is the final code ??
 and, please, sorry bud  i not understand where is the arduino nano location in the spykee. have you photo?  Tthanks merci bien..

[mistercricri]

Hi Steve,

i don't understand why you have plug the 2 wires on the negative plugs of the leds ? the arduino doesn't need positive transition ?

thanks ;-)

[mistercricri]

Hi Steve,

i have tested your Mods with success with my mini arduino pro, very great job, thanks !

Christophe

[mistercricri]

My videos :

http://www.youtube.com/watch?v=guCYO75dHhU

http://www.youtube.com/watch?v=TuNJf0JbUek

 

[CdRsKuLL]

D3 and D4 are the LED pins not 1 and 2.. the compatable nano board should be fine I would of thought. What bit of code do you want adding ?

[CdRsKuLL]

just wondering if you have wired the LED's up right.. mine are on opposite sides because the way they light up.. this is the only thing I can think of.

the above code is fine for just flashing the onboard LED but you shouldn't really use delay() in the main loop as it does just that.. freezing the loop for that niumber of milliseconds which will put the servo pulses completely out. I would use a counter instead..,

check out www.arduino.cc site.. lots of example code on there.. its a awesome little device and you can now get them under £20 off ebay :-)

also forgot to add.. you must enable both LED's for 2 or 3 seonds before the servo becomes active.. then turn one off and it should then move.. stopping when you turn that led back on.

[CdRsKuLL]

you could try changing the LOW to HIGH to see if that makes a difference. I thought the only two differences in the voltage were outputs on pins not reading... Although i do remember reading some where something about something.. might be making it up.. lol let me have a think.

Steve

[gogoterie]

Yep, was the servo, replaced it with another, and everything works,
Great Mod,   should've been in the original spec.
Thanks, Pete.

[jss61790]

Hello, I am just about ready to proceed and buy the materials for this mod, I just wanted to make sure the following items are the correct ones. Thanks in advance!

Arduino nano: http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=360178933215&ssPageName=STRK:MEWAX:IT



Servo: http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=250112410866&ssPageName=STRK:MEWAX:IT



If anyone knows alternative places to get these items that would be a better value please let me know, I would highly appreciate it.
(I am located in the U.S.)

[CdRsKuLL]

yep they look fine m8... I still need to complete this mod mind. I need to add a transistor to it which toggles the power on/off to the servo. As I found it slowly drains your spykee battery if you dont use it. Need to slightly alter the code as well.

I should have some free time next week to complete it.