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thank you, that´s easy und helpful!

Hi,
when i write a line like this:

set relais1

there is a list popping up after typing "set".
The list showes poerta.0, porta.1 and so on.
When I hit "space", "porta.0" is filled in.
How can ...

An other easy way to ilter noise is to "oversample".

Instead of getting ADC once, do it e.g. 8 times an sum the results.
Then divide the sum by 8.
This takes time of course.

If you have got ev ...

1238 is a 38kHz type, 1736 isa 36kHz type, so they are not similar.
Your oszillogram: maybe the inputs pullup pulls up the signal, try to switch it off and check gain.

As far as I undertsand, you´ve got serveral devices, all the same, and some work and some don´t? Is that right?

Can you swap single parts between an working and an not-working device?
This way you ...

Generally, I would start a project or even the search for an error by making things the simplest possible.

Your prog is simple, that´s ok.
Then I would try to have the hardware as reliable as poss ...

Hi Tim,
AFIAK the book is not avaliable in english, but it won´t be of big use for you experienced AVR-freak. The book is not a printed-out helpfile, but describes the very first steps in getting fam ...

have you got a scope to check the signal comming from sfh506?
What can you see?

There are still two answers left:
Does your "army-receiver" work on 36kHz?
I guess you will see no signal on the output of SFH506, in case carrier freq. does not match.
Do you manage to flash a LED ...

Stick to specs, what else can you do?
Even if one sample of M8 runs with 3,7V, how reliable is that in the field?

Moin Uwe!

DON´T start bascom WITHOUT Rowalds book! I read it for three month, and AFTER that I tried my first own experiments with Hardware...
I must admitt, my brain is slow (23 milliIPS), you mi ...

Hi James,

have a look at this thread, and especially to what ARERA said.

http://www.mcselec.com/index2.php?option=com_forum&Itemid=59&page=viewtopic&t=5920&highlight=usb+programm ...

Hi Ross,
You are right in a way: To achive highest possible accuracy of ADC, it´s no good idea to switch outputs during conversion. But it´s possible!
To avoid influence of hardware during ADCconver ...

SETTING ports H or L:
Use "reset porta.2" or "set porta.2"
Use "toogle porta.2"

READING ports:
x = pina.2

See the help-file: config port

Store date into the RAM!

DIM Data(500) as Byte

This generates 500 variables to store 500 Bytes of data!

data(1)
.
.
.
data(500)

Dim a pointer to control which "address" you want to wri ...