tag:blogger.com,1999:blog-4474580574529252327.post6206507058907522380..comments2024-01-31T08:49:41.013+01:00Comments on Embedded Engineering : PIC 18F4550 USB IO (Input / Output) Board with Analog Gaurav Singhhttp://www.blogger.com/profile/17880871396648321687noreply@blogger.comBlogger51125tag:blogger.com,1999:blog-4474580574529252327.post-41599523136205330542017-09-04T22:42:14.403+02:002017-09-04T22:42:14.403+02:00Hola Gaurav estoy utilizando tu código fuente pero...Hola Gaurav estoy utilizando tu código fuente pero tengo un problema, la terminal de Visual estudio no me reconoce mi placa de desarrollo PIC18F4550. Te comento que estoy utilizando el compilador XC8Anonymoushttps://www.blogger.com/profile/16904454847294092357noreply@blogger.comtag:blogger.com,1999:blog-4474580574529252327.post-18142168266543156232015-08-31T06:14:02.174+02:002015-08-31T06:14:02.174+02:00Thank you very much Gaurav Chaudhary . . .^_^
Are ...Thank you very much Gaurav Chaudhary . . .^_^<br />Are you have any reference material about HID? or internet link?Anonymoushttps://www.blogger.com/profile/07128531454525568196noreply@blogger.comtag:blogger.com,1999:blog-4474580574529252327.post-38272089366160805342015-06-26T11:25:32.218+02:002015-06-26T11:25:32.218+02:00i will work with mplab x but i don't thnk xc8 ...i will work with mplab x but i don't thnk xc8 will take it . hitech is the way to go Gaurav Singhhttps://www.blogger.com/profile/17880871396648321687noreply@blogger.comtag:blogger.com,1999:blog-4474580574529252327.post-40467031948127156222015-06-26T09:27:34.673+02:002015-06-26T09:27:34.673+02:00Dear Gaurav,
I want to know whether this set of c...Dear Gaurav,<br /><br />I want to know whether this set of codes will work in mplabx ide and xc8 compiler or not...<br /><br />the controller is same pic18f4550 Anonymoushttps://www.blogger.com/profile/06264409342116749393noreply@blogger.comtag:blogger.com,1999:blog-4474580574529252327.post-77760750839786064002015-02-23T09:47:03.241+01:002015-02-23T09:47:03.241+01:00Dear Gaurav,
Atleast let us know the commands to ...Dear Gaurav,<br /><br />Atleast let us know the commands to read and write the data from or to individual ports or pins of the port to communicate the IO board from LABVIEW. Your help will be acknowledged. Kindly help me.<br /><br />With regards,<br /><br />Dr. Jeyadheepan K.MJeyadheepanhttps://www.blogger.com/profile/11327788600266369360noreply@blogger.comtag:blogger.com,1999:blog-4474580574529252327.post-70501658063692072842015-02-23T08:51:34.446+01:002015-02-23T08:51:34.446+01:00Dear Gaurav,
Could you please share the API and D...Dear Gaurav,<br /><br />Could you please share the API and DLL files to communicate this USBIO device through labview, since I would like to control this device through Ni LabVIEW. Please help me.<br /><br />My mail ID: jeyadheepan@gmaill.comJeyadheepanhttps://www.blogger.com/profile/11327788600266369360noreply@blogger.comtag:blogger.com,1999:blog-4474580574529252327.post-66065459182293665972015-01-07T13:40:47.505+01:002015-01-07T13:40:47.505+01:00Dear Mr. Chaudhary,
Thank you for your great work...Dear Mr. Chaudhary,<br /><br />Thank you for your great work, I work on your source files to develop my own application and I found a little bug : when I launch the IO_board, I connot write anything in the textbox of the PORTD.<br /><br />I fixed it by add this event : "me.activated" in the sub "portbAsInp_CheckedChanged" to initilialise the board with the correct parameters.anthonyhttps://www.blogger.com/profile/00412388393353494002noreply@blogger.comtag:blogger.com,1999:blog-4474580574529252327.post-58630835566009587802014-06-04T20:30:01.720+02:002014-06-04T20:30:01.720+02:00Thank you Mr. Chaudhary, now it it fully working, ...Thank you Mr. Chaudhary, now it it fully working, the problem was in xtal capacitors 33pf.Aldeen19https://www.blogger.com/profile/06447961242664419585noreply@blogger.comtag:blogger.com,1999:blog-4474580574529252327.post-58733169478826218882014-06-04T17:04:30.622+02:002014-06-04T17:04:30.622+02:00Dear Mr. Chaudhary, thank you very much for your ...Dear Mr. Chaudhary, thank you very much for your prompt reply. At last I found a 20.000 MHz XTAL and replaced it in the circuit but unfortunately still getting the same (device not recognized) message! .. What else could be the reason..please? taking in mind that my operating system is Windows XP - SP3. I can send you clear pictures of my work if you don't mind.. Thank you again for your cooperation.Aldeen19https://www.blogger.com/profile/06447961242664419585noreply@blogger.comtag:blogger.com,1999:blog-4474580574529252327.post-27261752576530446532014-06-04T06:48:09.848+02:002014-06-04T06:48:09.848+02:00crystal frequency need to be 20 Mhz , there is no ...crystal frequency need to be 20 Mhz , there is no substitute , unless you modify software for PLL. Gaurav Singhhttps://www.blogger.com/profile/17880871396648321687noreply@blogger.comtag:blogger.com,1999:blog-4474580574529252327.post-22898452652516561232014-06-03T23:33:28.672+02:002014-06-03T23:33:28.672+02:00Dear Mr. Chaudhary, I have build the circuit caref...Dear Mr. Chaudhary, I have build the circuit carefully and got the chip programmed with the hex file but I am always getting (USB Device Not Recognized) message !.. I have checked the circuit, pin connections several times and sure of my work except for the XTAL frequency is (22.0 MHz).. Do you think that is the reason? Your reply is highly appreciated..Thank you. Aldeen19https://www.blogger.com/profile/06447961242664419585noreply@blogger.comtag:blogger.com,1999:blog-4474580574529252327.post-11049557693913770242014-05-29T11:46:42.202+02:002014-05-29T11:46:42.202+02:00Hi
I just fused the hex code to the chip.
The led...Hi<br /><br />I just fused the hex code to the chip.<br />The led is ON.<br />I connected it as mentioned but no response from the Host (PC).<br />I double checked the connections and the components, everything is connected well.<br />I don't know What's the problem.Anonymoushttps://www.blogger.com/profile/00898342105566107168noreply@blogger.comtag:blogger.com,1999:blog-4474580574529252327.post-68598726075263293922014-01-13T20:15:56.580+01:002014-01-13T20:15:56.580+01:00But i don't know how to change source code Ple...But i don't know how to change source code Please help me Anonymoushttps://www.blogger.com/profile/06647536965194441335noreply@blogger.comtag:blogger.com,1999:blog-4474580574529252327.post-86431553871494661542014-01-13T15:11:54.759+01:002014-01-13T15:11:54.759+01:00source code is freely available ,link is up there ...source code is freely available ,link is up there ...Gaurav Singhhttps://www.blogger.com/profile/17880871396648321687noreply@blogger.comtag:blogger.com,1999:blog-4474580574529252327.post-8440367251638636502014-01-13T13:45:54.559+01:002014-01-13T13:45:54.559+01:00Dear Sir this circuit was working fine.......... B...Dear Sir this circuit was working fine.......... But I want to add gsm & gprs modem (Sim 300) for Remote monetoring and controlling purpose Is it possible or not I don't have a knowldge of Surce code changeing Please help me As soon as possible Email Id : kanthtpriya@gmail.comAnonymoushttps://www.blogger.com/profile/06647536965194441335noreply@blogger.comtag:blogger.com,1999:blog-4474580574529252327.post-9075815871245811792013-12-25T08:29:07.112+01:002013-12-25T08:29:07.112+01:00visual studio 2010visual studio 2010Gaurav Singhhttps://www.blogger.com/profile/17880871396648321687noreply@blogger.comtag:blogger.com,1999:blog-4474580574529252327.post-16387055416814407782013-12-25T07:52:15.215+01:002013-12-25T07:52:15.215+01:00you use vb6 or vb2008 or vb2010 thank you.you use vb6 or vb2008 or vb2010 thank you.khoon-elechttps://www.blogger.com/profile/02226815494482337526noreply@blogger.comtag:blogger.com,1999:blog-4474580574529252327.post-318700707853391592013-11-21T12:06:30.307+01:002013-11-21T12:06:30.307+01:00Hi I am new in micro controller. Please help me.Hi I am new in micro controller. Please help me.Shougathttps://www.blogger.com/profile/14983407419996847588noreply@blogger.comtag:blogger.com,1999:blog-4474580574529252327.post-9371685906332737542013-11-20T10:52:55.602+01:002013-11-20T10:52:55.602+01:00hi your post is very nice i will follow your post...hi your post is very nice i will follow your post but my usb not recognized how to solve ?Anonymoushttps://www.blogger.com/profile/15600846823138104281noreply@blogger.comtag:blogger.com,1999:blog-4474580574529252327.post-6101861290507051422013-11-05T02:45:24.923+01:002013-11-05T02:45:24.923+01:00Dear Gaurav,
This is very good project. I nee...Dear Gaurav,<br /> This is very good project. I need some help from you. I need some API and DLL files to communicate this USBIO device through labview. Could you please share some DLL files. I would like to control this device through Ni LabVIEW. Please help me. I'm looking forward your reply. <br /><br />Thanks<br />Karthick.karthickhttps://www.blogger.com/profile/07637616850557081295noreply@blogger.comtag:blogger.com,1999:blog-4474580574529252327.post-9555866976664555902013-10-30T12:11:04.989+01:002013-10-30T12:11:04.989+01:00Hi, the vb source code has an error like: "is...Hi, the vb source code has an error like: "is ambiguous in the name space", could uor anybody send it to me or re-upload it, my e-mail: ibramson@hotmail.com, thnaksAnonymoushttps://www.blogger.com/profile/01667474717258055735noreply@blogger.comtag:blogger.com,1999:blog-4474580574529252327.post-75293562263340754792013-09-15T00:43:37.600+02:002013-09-15T00:43:37.600+02:00Have android driver?Have android driver?onurhttps://www.blogger.com/profile/00643653305474332887noreply@blogger.comtag:blogger.com,1999:blog-4474580574529252327.post-47622675275590009362013-09-13T19:14:35.442+02:002013-09-13T19:14:35.442+02:00which source code PC or the PIC firmware ?
what k...which source code PC or the PIC firmware ?<br /><br />what kind of error??Gaurav Singhhttps://www.blogger.com/profile/17880871396648321687noreply@blogger.comtag:blogger.com,1999:blog-4474580574529252327.post-6964895052421867522013-09-13T18:59:05.392+02:002013-09-13T18:59:05.392+02:00your source code is erroryour source code is errorEDUhttps://www.blogger.com/profile/04457375602237671835noreply@blogger.comtag:blogger.com,1999:blog-4474580574529252327.post-54743517691243957422013-09-09T21:27:45.755+02:002013-09-09T21:27:45.755+02:00the source code link is present up there please ta...the source code link is present up there please take a lookGaurav Singhhttps://www.blogger.com/profile/17880871396648321687noreply@blogger.com