If your antenna + according circuit is matched at 13.56Mhz, there are no problem but I think it will be difficult to find an antenna that match with the according circuit currently on the keyduino and you will need to change some component value to improve your reading range ;)

Hi Parviz, sadly I don't sell any prototype due to legal responsability, if you only need to unlock the car by NFC, you can follow this easy step by step tutorial: http://www.instructables.com/id/NFC-Car-Door-Control/

Bye,
Pierre

For now, the motor start with a defined time, there are no check if it's really launch or not.
If you want, you can connect a optocoupler on the pin n°3 of the header "EXT" and connect the optocoupler to the ODB2 pin 7 ;)

It works, you have to click on "téléchargement gratuit (vitesse NORMALE)" then wite the captcha and click on "télécharger ce fichier".
There are only the layout and not the schematics but I can upload both if you want.

Hey @Laszlo, we already launch a new production of 100 boards, in fact there are 96 boards lefts ;)

Currently when you buy a pack on elecrow, it's the same design than the KS version but there are some little change:

• reading distance a little bit improved thanks to a new matching circuit
• all pack come now with a big deported antenna, that can read 2016 nfc ring only
  I don't know if I relaunch another production after this stock, as the sales decreases quickly.

But I currently I work on 2 designs:

• the keyduino nano (same than the normal one but smaller)
• ozOne, a NFC reader with wifi, LEDs and LIPO charger

Keep me in touch if you're interested :)

Bonjour à tous, KeyDuino est disponible sur ELECROW pour 40$ (FDP out) avec une petite antenne, il n'en reste que 12 disponibles!

KeyDuino is now available on ELECROW for 40$, there are only 12 boards lefts!
http://www.elecrow.com/keyduino-p-1620.html

Here is a tutorial that allow you to control your car doors by a NFC communication;

code here : http://keyduino.forumsactifs.com/t24-nfc-doors-unlock
Lib and APK here: https://github.com/CITCEuraRFID/KeyDuino
NFC ring code : KeyDuino lib>example>relay shield

Hey Logan,
It's a good question, I currently make a tutorial for the doors opener and use a push button to start/stop the KeyDuino.
For the NFC starter, I use the temporary light (that allow 30s of supply to scan the ring/tag).

I don't know how long you can use a battery if you use like 150mA, but I think it's a bad idea to "always powered" something in your car ;)

How, just for your information, if you have any question/ rem related to keyduino; please sen them on the keyduino forum, so me and my friend can answer to your question :)
http://keyduino.forumsactifs.com/

Hey !
For now, the small antenna's orders are closed but some of them will be selled by ELECROW with the keyduino soon.
I take the decision to add some free antenna in these pack :
-DELUXE CLASSIQUE
-DELUXE NORMAL
-MASTER
But if you didn't order one of them, and your really want a deported antenna, please contact me with your KS account by message.
Also note that you don't need any deported antenna to read the NFC ring as there is an integred antenna. And that the large antenna work really fine with the 2016 ring.

Bye,
Pierre

Hey!
@Laszlo yes, you can get a KeyDuino on elecrow website when all backer will be shipped :)
Keep you in touch for that!