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Help on my MCU project!!!!
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Moderators: Ajay Bhargav, Arun Kumar V, pdi33, Shailesh NAYAK, ۞ TPS ۞, shyam, sashijoseph, ExperimenterUK, DavesGarage
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daemotheo
Mon Jul 06 2009, 03:34AM

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anyone,

i need help on my project/idea for a mcu-based module...here are my desired specs....

1. multiple output port
2. reprogrammable
3. can be used for scheduling, such as switching on/off of multiple appliances at desired (programmed ) time
4. if possible , low-cost...as much as possible.

thanks in advance...for any idea or contribution of any sort....



"the road to greatness is never easy, as the easy road never lead to greatness"
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Ajay Bhargav
Mon Jul 06 2009, 04:11AM
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what kind of help are you looking for?

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 daemotheo 
daemotheo
Mon Jul 06 2009, 05:59AM

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well, i'm currently flushed-out of ideas...especially on what type of micro should i use......all i have now is the idea of making a module.... >:)

"the road to greatness is never easy, as the easy road never lead to greatness"
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jithinraj333
Tue Jul 07 2009, 11:14AM
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hi
selection of your microcontroller will depend on what all features u need, how many i/o pins u need and all those things..

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 daemotheo 
DavesGarage
Tue Jul 07 2009, 11:41AM

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I suggest you have a look around and see what is available near you, and within your price range.

If you are building the "module" yourself, you'll need either a wire-proto-board (which I discourage the use of), or a prototype PCB with space for soldering components. You'll also need a soldering iron, some solder, a clamp to hold your board, etc...

The processor / microcontroller will be determined on all of the following criteria:
1. Software tools for developing code
2. Availability
3. Price
4. Functionality / Performance

Have a look at software tools, try them out, and find out what you are most comfortable with.



-Dave
"Basic research is what I am doing when I don't know what I am doing"
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 daemotheo 
daemotheo
Tue Jul 14 2009, 07:13AM

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thanks guys....

to Dave and jithinra:
>i'll be using assembly language for the program coz i'm more familiar with that one.....:D
>availability is truly a matter of topic, i'm not quiet sure of what kind of microcon is available within the
country
>price.as low as possible...;)
>Functionaliy/performance:
1. it must have at least 8 outputs
2. it should be re-usable, especially the IC's and softwares....
3.it must be done or could be done in at least 6-months
:D



"the road to greatness is never easy, as the easy road never lead to greatness"
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DavesGarage
Tue Jul 14 2009, 08:00AM

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Have you selected an assembler yet?

What do you mean by "re-usable"?



-Dave
"Basic research is what I am doing when I don't know what I am doing"
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afilash
Tue Jul 14 2009, 08:57AM

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>i'll be using assembly language for the program coz i'm more familiar with that one.....:D
1.which one? means you are familiar with which architecture 8051, AVR, PIC or Freescale ?
2. Programmer and other developing tools already available to you or ...?
3. Then comes the question of availability
>it must have at least 8 outputs
3. Done! but what kind of appliance you want to control ? Small DC or normal AC home appliance or Heavy duty appliances ?
4. By reusable i understand that, this module should able to plug into any appliance and should able to control it , right?

--Afilash
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ExperimenterUK
Tue Jul 14 2009, 11:09AM
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daemotheo wrote ...

anyone,

i need help on my project/idea for a mcu-based module...here are my desired specs....

1. multiple output port
2. reprogrammable
3. can be used for scheduling, such as switching on/off of multiple appliances at desired (programmed ) time
4. if possible , low-cost...as much as possible.

thanks in advance...for any idea or contribution of any sort....

What you have asked for could be done simply and cheaply. (under $20 US).

A starter setup is a simple micro from one the standard families
PIC, AVR, ATMEL, 8051
Software is free from various sources.

Choose one that can be programmed with a home made programmer.
Build the project on Veroboard or similar.
Add a couple of relays to switch appliances.

>4. if possible , low-cost...as much as possible.
Should be "as little as possible."
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daemotheo
Tue Jul 14 2009, 11:41PM

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>i'll be using assembly language for the program coz i'm more familiar with that one.....:D
1.which one? means you are familiar with which architecture 8051, AVR, PIC or Freescale ?
=i meant that i'm familiar with assembly language and microprocessor programming in general...
2. Programmer and other developing tools already available to you or ...?
=i got MASM, C++, VB
3. Then comes the question of availability
=i've heard that 8051-2 are available within the country...
>it must have at least 8 outputs
3. Done! but what kind of appliance you want to control ? Small DC or normal AC home appliance or Heavy duty appliances ?
=small appliances, both DC and AC if possible...
4. By reusable i understand that, this module should able to plug into any appliance and should able to control it , right?
=yup, plug-and-play or hot pluggable....
--Afilash

"the road to greatness is never easy, as the easy road never lead to greatness"
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