advice on building a RF modem robot - Electronic Circuits Projects Diagrams Free

seun_olowole · 10th March 2007, 02:38 AM

i am studying physics(electronics option) at the university of lagos.for my final year project, i intend to build a RF modem robot on the following website http://www.uashem.com/pageid-403.html
i was wandering if there's any textbook or material that will help me build this robot as i lack information on what to do.

Hero999 · 10th March 2007, 10:46 AM

I don't know but have you searched Google for books?
http://books.google.com/books?client...=1&sa=N&tab=bp

gramo · 10th March 2007, 10:59 AM

I would use a transceiver like the following;

http://secure.oatleyelectronics.com/...roducts_id=388

Ditch the one way RF transmitter & receivers as shown in that circuit, now you can have bi-directional data, and its a couple of dollars extra (33 aussie dollars) so you can do additional things such as secure data transfer by interrogating too see if each data packet 'made it', or a display on the remote control side that shows the voltage of the battery on the remote device

kasunkg · 22nd August 2007, 05:16 AM

Quote:

Originally Posted by gramo

I would use a transceiver like the following;

http://secure.oatleyelectronics.com/...roducts_id=388

Ditch the one way RF transmitter & receivers as shown in that circuit, now you can have bi-directional data, and its a couple of dollars extra (33 aussie dollars) so you can do additional things such as secure data transfer by interrogating too see if each data packet 'made it', or a display on the remote control side that shows the voltage of the battery on the remote device

Hi Gramo;
I too like to know how to use a RF transmeter and receiver on a PIC based project. I checked on the URL you provided. But it isn't available there.....
Pls check that out.

In RF communication (peer to multipeer); is there a way to identify the sender(tranceiver) by the receiver. [Using PIC16F877A]

dknguyen · 22nd August 2007, 04:06 PM

Use a Zigbee.

audioguru · 23rd August 2007, 01:14 AM

For your final year project, are you allowed to simply copy somebody else's project?
Aren't you supposed to design your own project?

audioguru · 23rd August 2007, 01:17 AM

Oh.
Your easy university is in Africa.

blueroomelectronics · 23rd August 2007, 04:56 AM

Although it's a old thread the entire project was described in detail on the site. Schematic, source code all there.
Simple design, just a pair of 16F84s used to decode and encode the joystick commands. The tank style wheels are neat.

Here's the reason you should use DIP ICs.

Gayan Soyza · 23rd August 2007, 06:19 AM

Quote:

Originally Posted by kasunkg

Hi Gramo;
I too like to know how to use a RF transmeter and receiver on a PIC based project. I checked on the URL you provided. But it isn't available there.....
Pls check that out.

Sorry We missed Gramo nobody knows what has happened to him.
This is the one you are looking for.See the attachment.

dknguyen · 24th August 2007, 04:10 PM

?!?!?! Doth me eyes deceive me? Are those motors really driving those wheels the way I think they are?

**Nigel Goodwin** · 24th August 2007, 04:35 PM

If you mean just by the shafts rubbing against the types?, then YES - it's a very common method for small robots using pager motors.

blueroomelectronics · 24th August 2007, 07:44 PM

Quote:

Originally Posted by dknguyen

?!?!?! Doth me eyes deceive me? Are those motors really driving those wheels the way I think they are?

I wonder how he keeps tension on the wheels?

dknguyen · 24th August 2007, 10:31 PM

Maybe those little plastic things beneath the shaft are also under tension.

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10th March 2007, 02:38 AM	#1
seun_olowole	advice on building a RF modem robot i am studying physics(electronics option) at the university of lagos.for my final year project, i intend to build a RF modem robot on the following website http://www.uashem.com/pageid-403.html i was wandering if there's any textbook or material that will help me build this robot as i lack information on what to do.

10th March 2007, 10:46 AM	#2
Hero999	I don't know but have you searched Google for books? http://books.google.com/books?client...=1&sa=N&tab=bp __________________ I do not answer private messages asking for help because no one else can: benefit from advice I may give or correct me if I'm wrong. Please ask on the open forum if you have a question and I'll be happy to help, if I know the answer.

10th March 2007, 10:59 AM	#3
gramo	I would use a transceiver like the following; http://secure.oatleyelectronics.com/...roducts_id=388 Ditch the one way RF transmitter & receivers as shown in that circuit, now you can have bi-directional data, and its a couple of dollars extra (33 aussie dollars) so you can do additional things such as secure data transfer by interrogating too see if each data packet 'made it', or a display on the remote control side that shows the voltage of the battery on the remote device __________________ digital-diy.com - Hobby microcontroller projects and tutorials. Assembly, PICBasic and C examples.

23rd August 2007, 01:14 AM	#6
audioguru	For your final year project, are you allowed to simply copy somebody else's project? Aren't you supposed to design your own project? __________________ Uncle $crooge

23rd August 2007, 01:17 AM	#7
audioguru	Oh. Your easy university is in Africa. __________________ Uncle $crooge

23rd August 2007, 04:56 AM	#8
blueroomelectronics	Although it's a old thread the entire project was described in detail on the site. Schematic, source code all there. Simple design, just a pair of 16F84s used to decode and encode the joystick commands. The tank style wheels are neat. Here's the reason you should use DIP ICs. __________________ Bill Smart Kits build Smart People http://www.blueroomelectronics.com/ Last edited by blueroomelectronics; 23rd August 2007 at 04:59 AM.

24th August 2007, 04:10 PM	#10
dknguyen	?!?!?! Doth me eyes deceive me? Are those motors really driving those wheels the way I think they are?

24th August 2007, 04:35 PM	#11
Nigel Goodwin	If you mean just by the shafts rubbing against the types?, then YES - it's a very common method for small robots using pager motors. __________________ PIC programmer software, and PIC Tutorials at: http://www.winpicprog.co.uk

24th August 2007, 10:31 PM	#13
dknguyen	Maybe those little plastic things beneath the shaft are also under tension.