Comments on: Simple RF Wireless Link

By: Marc

Marc — Tue, 26 Aug 2008 13:02:12 +0000

This is a good starting point for my project.

Basically I want to gut several different classic console gamepads and enable use of these wirelessly. Of course I’ve stumbled upon http://www.ppl-pilot.com, which I assume uses the exact same wireless modules as here. The problem is it uses uC’s i don’t have access too, and is overcomplicated for my needs.

Basically I’m looking looking to have an atmega8/32 (or similar), using hooked up to the buttons inside each controller… Then creating a ‘packet’ of some description, which in turn is sent over the wireless link to another (atmega8?/32?) hooked up to usb.

Sound plausable? To be honest I want to teach myself everything… But if anyone has any useful links, please share them here…

Thanks.

By: teen boy bondage

teen boy bondage — Thu, 26 Jun 2008 03:49:13 +0000

wjic tzjdm gpfvj zutc

By: sameen

sameen — Fri, 16 May 2008 09:29:47 +0000

i m using AVR ATtiny2313 (for RFID tags and readers)..i want it to connect wid TRF6901…but the problem is i ve a built in hardware for this purpose…with Tx(pin#33),Rx(pin#34)of TRF connected to pin numbers 11 and 14 of AVR respectively…the problem is…i want data from AVR transmitted to TRF and recieve it bak to AVR…how can pin 14 and 11 serve the purpose of UART….pleaseeeeee guide me….

By: sameen

sameen — Fri, 16 May 2008 09:17:56 +0000

i m using AVR ATtiny2313..i want it to connect wid TRF6901…but the problem is i ve a built in hardware for this purpose…with Tx(pin#33),Rx(pin#34)connected to pin numbers 11 and 14 of AVR respectively…the problem is…i want data from AVR transmitted to TRF and recieve it bak to AVR…how can pin 14 and 11 serve the purpose of UART….pleaseeeeee guide me….

By: Jimmy

Jimmy — Wed, 07 May 2008 00:44:11 +0000

I was looking for an easy way to make a link from one building to another. This would hook an internet gateway to a PC running echolinkserver on a radio voice repeater. The repeater is in a building with no Internet and the building is over 200 years old. But it’s the high point in the county so we have our voice repeater there. Now to get our echolink pc up and running we need to get a wifi or something to hook it rf wise to a building down the road that has a network. Ok, I hope I did explain that well enough. Of coarse being Ham Radio Opps we are very worried about costs!!! So would you have any ideas for us on this project.

I loved your web page here BTW and the use of the MAX chip brings back memories of packet radio years ago.

Thanks! Jimmy:)

By: Florin

Florin — Sun, 02 Mar 2008 11:53:10 +0000

@Ryan i dont think the RF module knows to recognize identification codes

By: Ryan

Ryan — Thu, 31 Jan 2008 20:32:15 +0000

David,
Do you think it would be possible to have only one receiver and then multiple transmitters? If each transmitter sent a code at the beginning of the transmission, this would allow the receiver to identify the origin of the transmission. I looked at the ZigBee products some and they all seem more expensive than this option.
Thanks.

By: dfowler

dfowler — Thu, 31 Jan 2008 19:32:19 +0000

Ryan,

Might consider ZigBee or some network made with these modules. I would expect them to have trouble unless widely seperated in frequency and then you might not have enough frequencies for 5 units.

By: Ryan

Ryan — Thu, 31 Jan 2008 19:26:21 +0000

Hello,

Would it be possible to use several pairs of these receivers/transmitters in the same location? I am unsure if they will conflict with each other, or if they are broadcasting on different enough frequencies to avoid conflict. I am looking into creating a base station with 3-5 of the receivers, and then having 3-5 of the transmitters at different locations as “sensors”. I wasn’t sure if this would be possible with this component.

Thanks.

By: dfowler

dfowler — Sun, 27 Jan 2008 23:00:10 +0000

cujack,

I am not sure what you are trying to do. It sounds like you are trying to send out and receive from the same uC. One thing that might be a problem is that the received signal level could be so large that it’s causing problems for the receiver. Try getting some distance between the modules or maybe change the antenna on the transmitter to a load resistor.

David