Show Posts
Pages: 1 ... 19 20 [21] 22 23 24
301  Using Arduino / Programming Questions / Re: Badly Stuck- Need help please.(Arduino and bytes through serial port) on: April 02, 2011, 08:16:42 am
Here i have installed all 40 solenoid valves on the rig.



Also the Updated software with LOOP checkbox...

302  Using Arduino / Programming Questions / Re: Badly Stuck- Need help please.(Arduino and bytes through serial port) on: April 01, 2011, 11:33:36 am
I have been to Florence but that was last century some time smiley
______
Rob
Then You must visit in this century..Things are dramatically change.. i love Roman architecture and history, spent 4 days in Rome only and visited day and night almost all the famous places including the Vatican City. Climbing the steps to the top of the Cupola of St. Peter's Basilica was amazing experience of my life... The Venice is also a great place to see especially the various islands spreading across...

Thanks Rob for all of your help and all the great forum members.
I am posting the updates on my following blogsite:
www.my-woodcarving.blogspot.com

Regards

 
303  Using Arduino / Programming Questions / Re: Badly Stuck- Need help please.(Arduino and bytes through serial port) on: April 01, 2011, 10:02:50 am
The Arduino could do that without resending the data all the time.
Hi Rob,
Typing your name remind me one of the instructor Mr.Rob Winter who taught us about 'Advanced machinery Diagnostic' at Florence in year 2009.
Okay, thanks for all of your responses and digging of some very helpful and useful links for Level sensor and Flow consumption.

but your above Quote is just puzzling  smiley-grin ... as the VB software generate huge files for 1000's of design and i send that data to my graphical Controller based on Arduino. And, i am also not storing the data in variable array..How can Arduino then be able to get the data in Loop? Sorry for my ignorance and very little experience with Arduino.. Attach is the file that i want to run in loop, can Arduino do it?

Regards  

PS:
Just open the attached file in any text editor i.e. wordpad etc
Select all the text and make the Font smaller for better visibility.
304  Using Arduino / Programming Questions / Re: Badly Stuck- Need help please.(Arduino and bytes through serial port) on: April 01, 2011, 09:20:55 am
Hi everyone and especially Rob,
I figured out that it is strong possibility of 80% of valves open at same time so i am just searching for about 12Amp power supply.

UPDATES ON SOFTWARE:
I updated my Graphical programmer software:
1- A Loop checkbox and STOP button is added. If the 'Loop Checkbox' is ticked, the graphical hexadecimal data will be send to the Arduino in a loop. So we will able to continuously run the graphical fountain and repeat the designs.
2- Pressing the Stop button will do following:
     a) It will check how many bytes are in shift registers. Then the software will send numbers of  '0X00' to finalize the shiftout function. After shifting out the software will turnoff all the valves by sending 5-bytes '0X00' to the controller.

HELP REQUIRED:
1- As i have to install a level sensor (minimum/maximum) so that a pump can be started as the Level goes just down from the minimum level and the pump can be stopped when the water level in the Headerpipe reaches its maximum level. I need cheap alternative to do this, i think Copper probes will be enough. If someone can give me pointer to any thread at this forum for doing level controller thing???

2- i also have to add the current consumption of water as well as a graphical chart of water consumption. just for fun:)
3- In future the 40 piezo buzzer  can be attached to the project to get some Alienatic noise for each valve opeining closing..

Any more ideas?

305  Using Arduino / Programming Questions / Re: Badly Stuck- Need help please.(Arduino and bytes through serial port) on: April 01, 2011, 03:55:04 am
That's nice, but you need 10.4 smiley, unless you never plan to have all solenoids on at once.
______
Rob
Hi Rob, again my question... is it possible that all the solenoid valves ON at the same time with 74HC595...Am i right that their is some delay with each ON/OFF cycle in 74HC595 and this delay is during shiftingout the individual bit..

One possibility possible for all solenoid valve ON conditions..That is at the end of last images bytes shifting , if i not clearout all the shift registers the solenoid may be ON depends upon the last rows of bits...
However, i am programming my software to cater this bug.. At the last sending bytes i will send some 0X00 so that all the solenoid powered off..

Bythe way nice site for sizing of capacitor...I hope the coming weekend i will be able to test the setup.
306  Using Arduino / Programming Questions / Re: Badly Stuck- Need help please.(Arduino and bytes through serial port) on: March 31, 2011, 10:54:56 am
Hi Lefty,
Thanks for the detailed reply but i have already posted the schematic of my 40 solenoid controller where i clearly mentioned that i will use IRF540 MOSFET....  smiley-cool ... using 40 of MOSFETs and a protection diode across the solenoid..
307  Using Arduino / Programming Questions / Re: Badly Stuck- Need help please.(Arduino and bytes through serial port) on: March 31, 2011, 10:07:42 am
Well you kind of have answered your own questions:
Your may not like the answer that is self evident there, but unless you change your requirements or components the math don't lie.
Lefty
Hi Lefty,
Is it possible that 5 of  74HC595 IC's can drive all the Solenoid at the same time? In case of the failure of 74HC595 , i do not know whether the Output is Open or close? Considering 74HC595, all solenoid valves should never open/close at the same clock signal at t=0, i.e. each output has slight delay ..
This will be really a test case:)
308  Using Arduino / Programming Questions / Re: Badly Stuck- Need help please.(Arduino and bytes through serial port) on: March 31, 2011, 10:01:56 am
Hi Rob,
I have available 6Amp 24VDC powersupply... Your second option for installation of Capacitor at solenoid end seems feasable and very good... How much Volt DC and Farad capacitor should i install?... I think 50VDC 200micoFarad will be enough.. Should i install just after the IRF450?
309  Using Arduino / Programming Questions / Re: Arduino Uno Code - If.........then......if........action on: March 31, 2011, 09:35:20 am
You guys are really very helpful. Sometime, peoples comes asking questions getting replies but majority do not post about their completed projects. Mostly, they say we did it and get away never come again.
I really respect you guys ..You help others without any return.
My regards to you.
310  Using Arduino / Programming Questions / Re: Badly Stuck- Need help please.(Arduino and bytes through serial port) on: March 31, 2011, 08:25:24 am
Thanks AWOL,
I have corrected the Arithmatic in the above post smiley-red. The valves are of 260mAmp...Thanks for pointing out, but the results are the same 10.4amp smiley-twist
Should i consider worst-case-scenario in case of 74HC595?... Can i consider 4Amp 24VDC power supply to drive the unit? Any idea/help highly appreciated...
311  Using Arduino / Programming Questions / Re: Badly Stuck- Need help please.(Arduino and bytes through serial port) on: March 31, 2011, 08:10:25 am
Thanks Rob for your support on this project and idea of closely encounter ships smiley-mr-green Recently completed the hole drilling and installation of fittings on PVC 6inch dia 1meter length pipe. Total solenoid to be installed are 40 and each solenoid valve will take upto 260mAmp with 24V DC.
What will be the suitable power supply to drive the IRF540 MOSFETS for these solenoid valves, the worst case scenario all 40 valves operate at the same time!!!!

Any idea? 250260mAmp x 40 =10400mAmp=10.4Amp???
Am I right? this is too big amperage.. smiley-zipper


Edit: The valves are 260mAmp
312  Using Arduino / Programming Questions / Re: Image to LED matrix on: March 31, 2011, 08:02:16 am
Hi KirASH,
I have seen no library so far, hope someone will come with the library for us...I have recently completed the software that convert image file into binay code and then send data to the water fall. You can see the details of my projects at my following blogsite:
http://my-woodcarving.blogspot.com/

Also you can get some idea and offcourse we will help you solving your problem. Initially my problems resolved by the great forum member at this following thread.
http://arduino.cc/forum/index.php/topic,55020.0.html
 the software i generated will soon be released for public.Offcourse, free of cost.
Regards
313  Using Arduino / Programming Questions / Re: Badly Stuck- Need help please.(Arduino and bytes through serial port) on: March 27, 2011, 01:33:07 pm
Some advancements and updates on the software and hardware:

SOFTWARE Updates:
1- The software now can support all types of popular image format. Previously it only support WMF file Format.

2- Now you can add Colored images and then convert it in Pure Black and white.
3- Multuple image effects added, like Flip, Mirror and invert.
4- Delay Timer provided.
5- Scroll Bars were added to move big pictures inside picture container.




HARDWARE:
1- The PCB for controlling 40 solenoid valves was designed and etched.





2- The simulator was tested and a short video is in following youtube link:

3- Ordered more 30 solenoid valves. The pipe fittings are being machined on lathe. Hope i will be able to post some pictures in coming days.
314  Using Arduino / Programming Questions / Re: Badly Stuck- Need help please.(Arduino and bytes through serial port) on: March 19, 2011, 09:04:23 am
Thanks Rob for clarification and increasing my knowledge.. and thats what something i learnt today from you ... Always happy to increase my knowledge smiley-mr-green
I will definitely install the Diode to protect my hardwork...
315  Using Arduino / Programming Questions / Re: Badly Stuck- Need help please.(Arduino and bytes through serial port) on: March 19, 2011, 06:38:45 am
Rob,
I have read about the IRF540 in detail. It has protection diode built-in. Should we use the snubbing diode for the Solenoid?

Pages: 1 ... 19 20 [21] 22 23 24