Connection of KC-21

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Connection of KC-21

Postby Hanck » Sat Jul 04, 2009 5:14 pm

I have recently purchased a KC Wirefree 21 from your site. Upon receiving the module, i was quite shocked by it is very small in size, a lot smaller than i thought it would be, and it comes with another problem.

How do I make connection to other device like a microcontroller or transceiver?

Does it have any special socket to accommodate the module? Some suggest direct solder the copper wire to the I/O of the module, but will it damage the module?

Any other suggestion please? Thanks a lot in advance.
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Re: Connection of KC-21

Postby ober » Sun Jul 05, 2009 4:06 pm

Hanck, it is very important for you to go through the data sheet before purchasing it. We do not have the expansion socket for it. You may refer to SKCCA as a starter kit.
Soldering it directly might work, but improper soldering might also damage the module. Since you raise the question, I think I need to highlight that the operating voltage is 3.3V, not 5V. Do refer to the data sheet before you interface with it.

Good luck!
Ober Choo
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Re: Connection of KC-21

Postby mh_so » Sat Mar 20, 2010 9:25 pm

how to communicate 2 kc21 using microcontroller ..i used mplab software an pic16f877a..can u send me the source code for master and slave so they can communucate
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Re: Connection of KC-21

Postby hyng » Thu Mar 25, 2010 11:57 am

You can refer to DIY project - PR6A. All the relevant doc are given out and can be downloaded. Although the project is communicate between SKKCA and computer, but i'm sure you can come out with something. :lol:
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Re: Connection of KC-21

Postby cheekangteh » Sat Feb 25, 2012 6:28 pm

hyng WROTE:You can refer to DIY project - PR6A. All the relevant doc are given out and can be downloaded. Although the project is communicate between SKKCA and computer, but i'm sure you can come out with something. :lol:


hi hyng,

can SKKCA communicate with window mobile phone that have built in Bluetooth device?
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Re: Connection of KC-21

Postby kl84 » Mon Feb 27, 2012 11:01 am

I've never tried before but you should be able to find the SKKCA device with your phone and pair with it.
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