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Topic: ABC - Arduino Basic Connections (Read 156978 times) previous topic - next topic

pighixxx

NEWS!

It's available in alpha version a new search engine: ELSE
the address is http://www.pighixxx.com/else.

In this way it's possible to find the right cards with a simple search  ;)

offtopic


JimboZA

Looks like we'll need to brush up on our Latin though  8)

But seriously, that's excellent. I just tested "infra" and got info on IR emitter and sensor.

Johannesburg hams call me: ZS6JMB on Highveld rep 145.7875 (-600 & 88.5 tone)
Dr Perry Cox: "Help me to help you, help me to help you...."
Your answer may already be here: https://forum.arduino.cc/index.php?topic=384198.0

pighixxx

okay,
I have added some 'features: D

Now it has the suggestion function :
ie: http://pighixxx.com/else/index.php?q=connect%20a%20llamp
I use a library that will be purchased shortly

it can be funny:
ie: http://www.pighixxx.com/else/?q=pay%20taxes%20for%20me?
It is based on a database and will grow with time

I have added profanity system:
ie: http://www.pighixxx.com/else/?q=dick
You are free to let off steam  :smiley-mr-green:

Does the calculations, for example:
http://www.pighixxx.com/else/?q=%3D10%2B2
http://www.pighixxx.com/else/?q=%3Dpi*2
just precede the calculation with equal for example =10*2+(10*2)

I added this feature to use as a link, for example:
http://www.pighixxx.com/else/?t=how+can+I+control+my+air+conditioner%3F
The sintax is: pighixxx.com/else/?t=question to ask

In the near future I will add all my pinouts with the ability to interrogate them

Features that will be added soon:
the electronics calculators, it will be possible for example to make queries of this type:
?10K resitor colors, or
?brown,red,brown resistor value, or
?10k||10k parallel resistor calc...
In addition, all of the research will be extended to the code samples.

I hope come useful to someone...

pighixxx

Now search engine also searches pinouts  :D

apollinaire

I just had a look on the "A simple RS485 Node" slide, and I got the impression that there must be something wrong with the jumpers J1 and J2:
If open, they completely disconnect the A and B lines. Maybe they are meant to shorten and bypass the 56R resistors, but shurely they don't.

Maybe someone can have a second look at it.


rogerClark

@apollinaire

I agree.

Removing JP1 and JP2 would stop it working, in fact removing either jumper would stop it working.

I don't have any experience of RS485, but I suspect you are correct that the jumpers are supposed to be in parallel with the resistors.

However I did a quick bit of research ,e.g googling "RS485 56 ohms"  and it didn't turn up many useful results, apart from this
http://techno-fandom.org/~hobbit/lighting/dmx-signals.txt

Where the article seems to suggest that the 56 Ohm resistors are not used on more modern RS485 devices.

I also had a quick look in the data sheet for the IC  http://www.ti.com/lit/ds/symlink/sn75175.pdf
However can't find anything about using 56 ohms in series with the lines, for nodes in the middle .


So perhaps some expert on RS485 can comment on these resistors and whether they are even necessary?
Freelance developer and IT consultant
www.rogerclark.net

pighixxx

Yes!
I saw and fix the card.
Sorry again

pighixxx

New ELSE functions ELSE

Resistor->Color
[font=Verdana]sintax: ?R<request>[/font]
ie:
?R120
?R1K
?R1200
?R1M
?R1K2
?R1M6

Resistor->Value
[font=Verdana]sintax: ?R<spazio><color><divider><color><divider><color>[/font]
ie:
?R Marron Rosso Marron
?R Rosso,Rosso,Rosso
?R Red.Red.Red
?R Rojo Negro Rojo

Resistors in Series
[font=Verdana]sintax: ?SR<value><divider><value>...[/font]
ie:
?SR1K 1K 1K
?SR1K2 330
?SR1M 1M 1M

Resistors in Parallel
[font=Verdana]sintax: ?PR<value><divider><value>...[/font]
ie:
?PR1K 1K 1K
?PR1K2 330
?PR1M 1M 1M

Capacitors in Series
[font=Verdana]sintax: ?SC<value><divider><value>...[/font]
ie:
?SC100n 100n 100n
?SC1100nf 100nf
?SC100n 100nf 100NF

Capacitors in Parallel
[font=Verdana]sintax: ?PC<value><divider><value>...[/font]
ie:
?PC100n 100n 100n
?PC1100nf 100nf
?PC100n 100nf 100NF

If you want you can use the functions that I have created to display resistors or capacitors on the fly  :D
for example:
Code: [Select]
HTML Code: <img url="www.pighixxx.com/else/classes/resistor.php?r=1K2>
Forum Code: [img width=100]www.pighixxx.com/else/classes/resistor.php?r=1K[/img]

result:


or

Code: [Select]
HTML Code: <img url="www.pighixxx.com/else/classes/capacitor.php?r=100nf>
Forum Code: [img]www.pighixxx.com/else/classes/capacitor.php?r=100nf[/img]

result:


or even different sizes:

Code: [Select]
HTML Code: <img width=100px url="www.pighixxx.com/else/classes/resistor.php?r=1K2>]<img width=100px url="www.pighixxx.com/else/classes/resistor.php?r=1K>]<img width=100px url="www.pighixxx.com/else/classes/resistor.php?r=1M>
Forum Code: [img width=100]www.pighixxx.com/else/classes/resistor.php?r=1K2[/img] [img width=100]www.pighixxx.com/else/classes/resistor.php?r=1K[/img] [img width=100]www.pighixxx.com/else/classes/resistor.php?r=1M[/img]

result:


or

Code: [Select]
Take a resistance of  [img width=100]www.pighixxx.com/else/classes/resistor.php?r=1K[/img] and put it in series with a [img width=100]www.pighixxx.com/else/classes/resistor.php?r=220[/img]
result:
Take a resistance of   and put it in series with a  

Logically, the same thing you can do it with capacitors!   :smiley-mr-green:

rogerClark

You may like to consider doing a system for resistors with 4 color bands for the value, not including the tollerance.

E.g. 1k0

Is now

Brown black black brown



My local electronics supplier only sells resistors using 4 color bands
Freelance developer and IT consultant
www.rogerclark.net

romninja

#190
Sep 26, 2014, 01:05 am Last Edit: Sep 26, 2014, 01:53 am by romninja Reason: 1
Hi! love the cards,had a look through them all and ordered a DS lite touch screen+adapter for about 3 dollar:)
Could you label what the pins do on the DS touch screen? X+, X-, Y+ and Y- ? or wiring?

Anyway! In order, with cards being tagged  in [ ] brackets:


You might want to add the term "Pull up resistor" to [pushbutton to GND] and
"Pull down resistor" to [pushbutton to 5v]

In [Pushbutton to 12v], i think the text bubble for the capacitor could read "Add a capacitor to reduce interference" , no plural needed?

In [Optocoupled input] you might want to add states for the IN pin, like you did with Pushbutton to GND

In [Connect a CT sensor] ,You could change the title to Non-invasive current sensor

In [A vibration sensor] Can you use those small black buzzers?

in [Connect a IR sensor] , I've used IR sensors but never needed the resistors

In [Infrared emitter] the diode is the wrong way around, cathode and anode need to be flipped.

Love what you are doing! Keeping these on my thumbdrive as extra lookup info and printed several of your pinouts and hung them on my walls ;) .




pighixxx

Finally, the website is online  :smiley-mr-green:
http:///www.pighixxx.com

Oldergeek

Hi pighixxx,

As an absolute newcomer I can only stand in awe of your contribution, this has helped me immensely and as the saying goes ' A picture paints a thousand words'.

I have only one question,

HOW CAN WE HELP YOU?

Peter

DILLIGAF (ADULTS ONLY google at your own risk)

Robin2

I never took any notice of this until today - I had assumed with 13 pages it was just a long pointless discussion that had wandered miles from its original purpose.

Full marks. It is excellent. I have bookmarked your website.

...R
Two or three hours spent thinking and reading documentation solves most programming problems.

copet_pitik

your works are awesome. :o  :o  :o 
Program Studi Instrumentasi Medis
Politeknik Mekatronika Sanata Dharma
Yogyakarta Indonesia

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