tag:blogger.com,1999:blog-8133757094547925490.post809054662296406052..comments2023-08-12T01:41:35.641-03:00Comments on Rêxpirando: Arduino Volt-Ammeter - Final Part - Printed circuit boardUnknownnoreply@blogger.comBlogger77125tag:blogger.com,1999:blog-8133757094547925490.post-30685363925277295222021-05-02T02:48:47.056-03:002021-05-02T02:48:47.056-03:00nice project , can u send programs file shailesh...nice project , can u send programs file shailesh4440@gmail.comshailesh prajapatihttps://www.blogger.com/profile/14957338399872530512noreply@blogger.comtag:blogger.com,1999:blog-8133757094547925490.post-84443888118033320272020-08-01T22:04:57.143-03:002020-08-01T22:04:57.143-03:00please arduino program file shaheen814@gmail.complease arduino program file shaheen814@gmail.comShaheenhttps://www.blogger.com/profile/11972197108505742765noreply@blogger.comtag:blogger.com,1999:blog-8133757094547925490.post-91966222236057437782017-08-16T10:20:41.311-03:002017-08-16T10:20:41.311-03:00thanks for sharing such info about ampere meterthanks for sharing such info about <a href="https://www.sarexports.com/product/ampere-meter/" rel="nofollow">ampere meter</a>Anonymoushttps://www.blogger.com/profile/14147172348569378507noreply@blogger.comtag:blogger.com,1999:blog-8133757094547925490.post-57766766874373108382016-08-08T13:36:48.461-03:002016-08-08T13:36:48.461-03:00I want arduino script(programme)
Plz help me....I want arduino script(programme)<br />Plz help me....Anonymoushttps://www.blogger.com/profile/00160797814799742077noreply@blogger.comtag:blogger.com,1999:blog-8133757094547925490.post-63856605391206629352015-01-28T06:15:29.878-02:002015-01-28T06:15:29.878-02:00hello sir i am test this circuit is running but vo...hello sir i am test this circuit is running but volt and amp reding in fluxchation pleas help<br />amithttps://www.blogger.com/profile/13160717157694575908noreply@blogger.comtag:blogger.com,1999:blog-8133757094547925490.post-41782043395435574822015-01-28T05:18:08.355-02:002015-01-28T05:18:08.355-02:00hello sir i am test this circuit is running but vo...hello sir i am test this circuit is running but volt and amp reding in fluxchation pleas help<br />amithttps://www.blogger.com/profile/13160717157694575908noreply@blogger.comtag:blogger.com,1999:blog-8133757094547925490.post-65150626446801630462014-04-29T13:47:40.266-03:002014-04-29T13:47:40.266-03:00hai sir, i need to know , to build up this VA ardu...hai sir, i need to know , to build up this VA arduino, we have to combine both part ? means part 1 and final part together ? o it is just 2 different options either we use breadboard o printer circuit board ? i have difficulty to understand .. thank in advance sir :)Anonymoushttps://www.blogger.com/profile/11281406495585990841noreply@blogger.comtag:blogger.com,1999:blog-8133757094547925490.post-80788665901709323072014-03-17T04:00:02.831-03:002014-03-17T04:00:02.831-03:00Hello Renato,
First of all I thank you for sharin...Hello Renato,<br /><br />First of all I thank you for sharing such a genuine work.<br />And I understand how much time you might have spent to build this, I truly appreciate your job.<br /><br />Now my question:<br />I'll build this PCB again with 22pF caps along with crystal using a bit more clearance between the tracks and pads using IRON press method of making PCBs. I'm unable to understand what changes do I need to make to set the WIDE range to a bit NARROW one, since I need to measure the voltage and current from a 30V,5A(max) solar panel.<br />I'm trying to attach it to my solar charge controller.<br />Please spare some time to answer my question.<br />Thanks a lot again... :-)Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-8133757094547925490.post-868905648263206712013-11-13T16:22:22.967-02:002013-11-13T16:22:22.967-02:00No problem, those are things which arrive.
OK, ev...No problem, those are things which arrive.<br /><br />OK, everything is understandable, of the blow my prototype works well.<br />Thank you for having taken time to answer me.Anonymoushttps://www.blogger.com/profile/09749088011636806749noreply@blogger.comtag:blogger.com,1999:blog-8133757094547925490.post-50068919109059844792013-11-13T12:27:26.851-02:002013-11-13T12:27:26.851-02:00Sorry for my misspelling, but my intention was to ...Sorry for my misspelling, but my intention was to say "forgive me" instead of "forget me".<br /><br />Amperes calibration takes at least five more clicks than the voltage one. The reason is that the maximum value used to map the analog port input to the real number is 10 for amperes and 50 for voltage.Renatohttps://www.blogger.com/profile/15498328445220004515noreply@blogger.comtag:blogger.com,1999:blog-8133757094547925490.post-21718446153342916372013-11-12T17:58:58.572-02:002013-11-12T17:58:58.572-02:00A last question and I leave you,
On my prototype ...A last question and I leave you, <br />On my prototype during the calibration of amperes, I press on the buttons of calibration (up and down) but Nothing takes place, is it normal?(Sorry of you annoy)Anonymoushttps://www.blogger.com/profile/09749088011636806749noreply@blogger.comtag:blogger.com,1999:blog-8133757094547925490.post-52275788479245099062013-11-12T16:46:03.024-02:002013-11-12T16:46:03.024-02:00Forget me, please. Answering here is not my main r...Forget me, please. Answering here is not my main role. Moreover I have no idea about the shunt resistor chemistry, but only that it is a 5W 0.47R with 5% precision. The other ones are, if I properly remember, metal film with 1/4W and 1%.<br /><br />For calibrations you need a reliable input/output to fix the number shown in the display. The movie demonstrates how it is done. Note that if you calibrate with a 3V input, you will note a small deviation trying to measure 30V, this is why ordinary voltmeters has different scales.Renatohttps://www.blogger.com/profile/15498328445220004515noreply@blogger.comtag:blogger.com,1999:blog-8133757094547925490.post-66225001445200735322013-11-12T07:26:45.047-02:002013-11-12T07:26:45.047-02:00Hello, I realized a prototype of your project and ...Hello, I realized a prototype of your project and it works well, thank you again.<br />Otherwise why do not to answer my last question?<br />Does not my question have any interest?<br />I would have wanted to know exactly which type of resistance you used in your project(1/4W, 1/8W, 1%, 5%, Metal Film, Metal Oxide, Carbon Composition...etc) that's all.<br />P.s: There is that the voltage which calibrates? In fact the amperage calibrates automatically according to the voltage.I am wrong?Anonymoushttps://www.blogger.com/profile/09749088011636806749noreply@blogger.comtag:blogger.com,1999:blog-8133757094547925490.post-982747733998645722013-11-12T07:16:25.137-02:002013-11-12T07:16:25.137-02:00This comment has been removed by the author.Anonymoushttps://www.blogger.com/profile/09749088011636806749noreply@blogger.comtag:blogger.com,1999:blog-8133757094547925490.post-15796042492320108132013-11-12T06:26:23.476-02:002013-11-12T06:26:23.476-02:00This comment has been removed by the author.Anonymoushttps://www.blogger.com/profile/09749088011636806749noreply@blogger.comtag:blogger.com,1999:blog-8133757094547925490.post-39187049100666565412013-10-22T19:42:36.091-02:002013-10-22T19:42:36.091-02:00Is it a metal film resistor(the big green one)?Is it a metal film resistor(the big green one)?Anonymoushttps://www.blogger.com/profile/09749088011636806749noreply@blogger.comtag:blogger.com,1999:blog-8133757094547925490.post-39213377890253835042013-10-22T11:25:28.363-02:002013-10-22T11:25:28.363-02:00Yes, it is. The big green one.Yes, it is. The big green one.Renatohttps://www.blogger.com/profile/15498328445220004515noreply@blogger.comtag:blogger.com,1999:blog-8133757094547925490.post-45308771909439263852013-10-22T05:22:56.018-02:002013-10-22T05:22:56.018-02:00OK, but the resistance which you uses for the shun...OK, but the resistance which you uses for the shunt is not one 5W?Anonymoushttps://www.blogger.com/profile/09749088011636806749noreply@blogger.comtag:blogger.com,1999:blog-8133757094547925490.post-10544700874463778322013-10-22T01:55:40.953-02:002013-10-22T01:55:40.953-02:00Its not a 1% and its not critical, this one that y...Its not a 1% and its not critical, this one that you found looks suitable. It's possible to calibrate using another ammeter as shown in the video.Renatohttps://www.blogger.com/profile/15498328445220004515noreply@blogger.comtag:blogger.com,1999:blog-8133757094547925490.post-46184516958272674592013-10-21T09:46:18.786-02:002013-10-21T09:46:18.786-02:00Hello renato,
Magnificent project, very interestin...Hello renato,<br />Magnificent project, very interesting, thank you for sharing it.<br />Could you say to me where you got yourself the resistances that you used? In particular the one that you used for the shunt (https://lh4.googleusercontent.com/_SlXk_jAXNLY/TdBMKbeKl7I/AAAAAAAAAM0/1GcSCY1521Q/placa5-legenda_en.jpg). Is it also a resistance of 1 % ? Because I do not manage to find a 0.47 ohm resistance 5W identical to your project, the one that I find are ceramic resistance (http://i.ebayimg.com/17/!By5cvU!EWk~$(KGrHqYOKjYEwtVE2y,OBMTqd,zRN!~~_35.JPG).<br />Thank you for the interest which you will carry in my question.<br /><br />P.s: Please bear with me, I begin in electronics and also in English. Thank you.Anonymoushttps://www.blogger.com/profile/09749088011636806749noreply@blogger.comtag:blogger.com,1999:blog-8133757094547925490.post-66476205162427551842013-05-03T09:04:29.119-03:002013-05-03T09:04:29.119-03:00I see, I will power the Arduino itself on a separa...I see, I will power the Arduino itself on a separate 12V power supply. So the voltage divider can handle 30V for measuring? What is the limit for measuring voltage? I don't care that Arduino can't indicatge the negative voltage, but will something burn if I connect my secont PSU positive to the first PSU GND?Anonymoushttps://www.blogger.com/profile/07571955809358892822noreply@blogger.comtag:blogger.com,1999:blog-8133757094547925490.post-31179748294699446492013-04-19T14:31:25.111-03:002013-04-19T14:31:25.111-03:00The input is regulated by a LM78L05 regulator, but...The input is regulated by a LM78L05 regulator, but when I tried to apply a 24v input it started to overheat and then to turn on and off continuously. When I say "input", it is the power that makes the circuit work, and not the power source being measured.<br /><br />It will work without problems with measuring a maximum rate of 30V and 3A, but It will not work with negative voltages due to limitations in analog to digital converter.Renatohttps://www.blogger.com/profile/15498328445220004515noreply@blogger.comtag:blogger.com,1999:blog-8133757094547925490.post-38927628518905397242013-03-28T08:35:14.828-03:002013-03-28T08:35:14.828-03:00Hi, great project. I'm going to use it and mak...Hi, great project. I'm going to use it and make 2 V-A meters for my DIY PSU. My PSU is double 0-30V 3A. How much is the maximum voltage input for your Arduino Project? And also, if I put two V-A meters and I connect my PSU in dual mode +-30V will it work with the Arduino V-A meter?Anonymoushttps://www.blogger.com/profile/07571955809358892822noreply@blogger.comtag:blogger.com,1999:blog-8133757094547925490.post-86068283241321508552013-02-19T21:06:56.651-03:002013-02-19T21:06:56.651-03:00Double check it again, please! Beacause it is work...Double check it again, please! Beacause it is working for me.Renatohttps://www.blogger.com/profile/15498328445220004515noreply@blogger.comtag:blogger.com,1999:blog-8133757094547925490.post-2326429494036611062013-02-17T06:24:11.786-03:002013-02-17T06:24:11.786-03:00Awesome project, could you please update the downl...Awesome project, could you please update the download link? It gets a weird infinite redirectAnonymousnoreply@blogger.com