Excellent tutorial. No BS, and the right amount of technical detail. And no music! Subscribed.
@robojax
5 ай бұрын
Awesome, thank you!
@ImamHafizAkhlaqAhmad
5 жыл бұрын
I was searching different tutorials to ascertain what code was being used to define pin placement and couldn't find anything with a credible explanation until I found your video. Thank you again for being a great teacher. Jizak Allah.
@robojax
5 жыл бұрын
I am glad you fund it useful. Shukan. Wa Eyakum.
@yanfoo
2 жыл бұрын
Three thumbs up for pointing out the address values for A0 A1 and A2! I couldn't get my LCD working until I saw that I was using the wrong address from the tutorial example. Cheers!!
@paullarj8793
Жыл бұрын
This explanation on LCDs with Aduino is the best I have come across.
@StoneNicolas93
2 жыл бұрын
thank you i am an arduino beginner and your videos always help me
@sionau
Жыл бұрын
Robojax, you are the best!
@robojax
Жыл бұрын
So you are. thanks. There is the better video with wiring diagram kzitem.info/news/bejne/0a6L0Hmpg4OIZYI which is part of my Arduino course
@xz6476
4 жыл бұрын
TYSM Sir Code explained very well The best part is you also commented each statement May GBU 💖😘✌
@robojax
4 жыл бұрын
You are welcome. May GBU too.
@DodgyBrothersEngineering
5 жыл бұрын
Thanks for pointing out the trim pot for the back display. I was about to send two displays back because I thought they were faulty, they were only turned down so nothing could be seen. Also the address map might come in handy too, thanks for sharing.
@robojax
5 жыл бұрын
You are welcome. I am glad you resolved the issue.
@AvocadoAtrocity
3 жыл бұрын
I love this channel so much. Thank you, Robojax
@rakshithrajpulluri3515
4 жыл бұрын
Changing the address just by soldering... For this technique i searched a lot before seeing ur vedio....ur vedio helped me a lot ....tq
@robojax
4 жыл бұрын
You are welcome. Good to know. Please share and subscribe.
@slambergamer91
4 жыл бұрын
honestly i watch a lot tutorial this is one of the best ! keep it up bro !
@robojax
4 жыл бұрын
Thanks, will do!
@MegaKbyrne
2 жыл бұрын
I did just that but I had problems with error code. I coppied and pasted your sketch and still error message. Iused library manager and found a library LiquidCrystalI12C and it now works. You have a different IDE version than mine also. Love your video's thou. Keep it up.
@terrydsilva5061
5 жыл бұрын
Well Done! Comprehensive tutorial on how to use this inexpensive device.
@robojax
5 жыл бұрын
Thank you. Good to hear that.
@bmckayw
2 жыл бұрын
Thanks for a great video! Very clear explanations and pleasantly helpful!
@kaptainkrunch3486
4 жыл бұрын
Great video! Followed along and it worked perfectly. Thanks!
@robojax
4 жыл бұрын
You are welcome. Good to hear that.
@SpeccyMan
5 жыл бұрын
One absolute essential when soldering is to KEEP YOUR SOLDERING IRON TIP CLEAN TO ENABLE EFFECTIVE HEAT TRANSFER!!!
@rustystrat50
2 жыл бұрын
Hello. Thanks for the video. I used it on 8/28/22 and I had to make one small change, maybe the L C library has been updated and changed a bit. My Arduino IDE wouldn't accept "lcd.begin():" so I had to change it to "lcd.init();" Otherwise it works great. This is my first time trying to use an LCD.
@rustystrat50
2 жыл бұрын
I don't know if your interested in this but I found the "lcd.init();" in the Liquid Crystal I2C example "Serial Display".
@robojax
Жыл бұрын
you have not installed the correct library. I made another tutorial with the same library here kzitem.info/news/bejne/r4532auFnJFjrZw and used lcd.begin() and it works fine. you are using wrong library.
@johnberry5339
4 жыл бұрын
Hello Robojax :)… I have just watched your tutorial and found it very informative. Thank you very much, John 👍😊
@robojax
4 жыл бұрын
Hell John, you are welcome. I am pleased you found it useful.
@philipdsouza9521
3 жыл бұрын
Hello John I found your tutorial very informative. I am doing a project for level controller.
@philipdsouza9521
3 жыл бұрын
I am doing a project on level controller. I have written the coding. The problem arises when the pump comes on or goes off. There is jumbled worlds. Should I send the coding to you?
@clintjakealfante3101
9 ай бұрын
Thank you for the lcd library
@Gaylynne1
7 ай бұрын
Great explanation. Thanks for your lesson. One question...can you control the backlight and/ or contrast of the I2C LCD using just the code?
@mateuszkrol8029
5 жыл бұрын
Well done! Everything is clear and easy to recreate.
@robojax
5 жыл бұрын
Thank you.
@Gig2Dave
4 жыл бұрын
Thanks, been around, finally got it working
@robojax
4 жыл бұрын
You are welcome. I am glad you did.
@fps3689
3 жыл бұрын
@@robojax hey my lcd is just lighting up but no text :(
@marcrobert2603
3 жыл бұрын
@@fps3689 Same here
@faroekjuthan89
3 жыл бұрын
When I went to upload the code, I got an error on this point "lcd.begin()" .After this change it works great("lcd.begin(16,2)".Thanks for sharing and good luck with your projects.
@Omsharmaji30
2 жыл бұрын
how??
@Ice-fl9et
2 жыл бұрын
@@Omsharmaji30 explain what you don’t know how to do 🙄
@EducationalTheatre
2 жыл бұрын
Thankyou bro it really help me
@1000yahya
3 жыл бұрын
Very nice Tutorials
@robojax
3 жыл бұрын
Glad you like them!
@robdavidowitz6428
Жыл бұрын
Outstanding explanation 👌 Your videos must surely be of the best on the net👍
@maahasakhia9243
3 жыл бұрын
This was so helpful for my project, thank you!
@RoyAntaw
6 жыл бұрын
Thanks...Just what I needed to for 1602 LCD I2C Display module.
@robojax
6 жыл бұрын
You are welcome.
@ernievirata2551
6 жыл бұрын
It helps a lot.. You are so Great my friend :)
@robojax
6 жыл бұрын
I am glad it did. Thank you
@ayesuzzaman9891
3 жыл бұрын
Thanks ......... it really helped
@real_pivot
3 жыл бұрын
thanks man omg i finally found it man thanks
@robojax
3 жыл бұрын
Glad I could help
@real_pivot
3 жыл бұрын
@@robojax can you subscribe to this channel = kzitem.info/rock/-z6vzILUoG3FVtW5mWl1ww
@anjello-fz8ko
2 жыл бұрын
I always watch here. I just want to clarify how can easily code using lcd i2c in a different sensors thank you btw you have always nice content🥰
@robojax
2 жыл бұрын
I have used this display on may be over 50 or more sensors. just search my channel.
@green_quadrix
3 жыл бұрын
Thank you so much!!!!👍
@Mgiule
2 жыл бұрын
Thank you a lot for your excellent video. You helped me to resolve a problem in a project I'm actually working. ( An emulator of an hydronic heating system ) Thanks again, I'm from Montreal. Miguel
@robojax
2 жыл бұрын
My pleasure. You may continue learning Arduino with my course . Link is in description
@vithiyananthanesanmanuelje3772
3 жыл бұрын
thank you sir great explanation sir from srilanka
@sameerk12982
4 жыл бұрын
Thank you very much for this tutorial.
@robojax
4 жыл бұрын
You are welcome. If you watched with other than English subtitle, please let me know. Thanks
@tangstudiodotnet
4 жыл бұрын
Very nice tutorial ! Thanks
@robojax
4 жыл бұрын
You are welcome!
@REZAAEON
8 ай бұрын
خیلی عالی دستتون درد نکه
@robojax
8 ай бұрын
سلامت باشید. این هم نسخۀ فارسی خالص اید ویدیو در مجرای "علم وفن" kzitem.info/news/bejne/kmOZy4arsnaclYY
@xiaolimwameishi
2 жыл бұрын
Possible to explain the analog part? what if I wan other analog pin, rather than analog A05 / A04?
@robojax
2 жыл бұрын
SDA and SCL are used for I2C communications and ONLY those pings are using or just use the pins on other side of the board labeled as SDA and SCL. See this video which is part of my Arduino course that might help which has wiring diagram. kzitem.info/news/bejne/0a6L0Hmpg4OIZYI the full course is Here is $200 Arduino course for free Arduino Step by Step Course (over 100 video lectures) Starts here robojax.com/L/?id=338
@guliyevshahriyar
7 ай бұрын
Thank you very much!
@robojax
7 ай бұрын
You're welcome!
@melonrisshya
Жыл бұрын
Thank You Ayak
@robojax
Жыл бұрын
Ayak?
@ebrahimmomin7518
3 жыл бұрын
I had subscribed to a bunch of people and I was trying not to subscribe to more people, but I had to subscribe
@rakabayuwana4830
4 жыл бұрын
thank you! worked perfectly
@robojax
4 жыл бұрын
You are welcome.
@othmanradi1200
2 жыл бұрын
Thank you
@burstfireno1617
10 ай бұрын
3:37 A0 A1 A2... good but what are they used for? :)
@robojax
10 ай бұрын
Your questions seems very baisc . You need to take a course. Please watch this video kzitem.info/news/bejne/uW6FsJ6Dgnp0pawsi=p0SVWoynWuSD16t2 this video is Larry of 30 lessons cours
@hexure9663
6 жыл бұрын
Ur channel is awesome.
@robojax
6 жыл бұрын
Thank you.
@ajelzeng8415
5 жыл бұрын
we are original manufactory for LCD display, if you need 1602A pls let me know. mail to maoshengelectronics@gmail.com
@neelranade6322
2 жыл бұрын
Make a video on i2c keypad interfacing with arduino please
@robojax
2 жыл бұрын
no seen or found keypad using i2C.
@neelranade6322
2 жыл бұрын
Please search on it on google
@neelranade6322
2 жыл бұрын
Please search on it on google
@robloxia2819
2 жыл бұрын
thanks you
@vishvraval2879
3 жыл бұрын
thanks bro it helped a lot
@robojax
3 жыл бұрын
you are welcome. Few weeks back I published my Arduino course worth $200 on Udemy. Arduino Step by Step Course (over 100 lectures) Starts here robojax.com/L/?id=338
@ngoquoctuan1354
5 жыл бұрын
Thanks very much !!
@robojax
5 жыл бұрын
You are very welcome.
@MrDhilishkumar
2 жыл бұрын
Your explanation is very good. Did you have project Arduino control pressure in compressor with wiring and Arduino code explanation. Please give the link. Your videos are very helpful. You should have long life.
@vaibhavkhatri3435
3 жыл бұрын
Good Tutorial, Well explained :):):)
@robojax
3 жыл бұрын
Glad you liked it!
@muhammadbilal2000
3 жыл бұрын
Hello Sir, firstly thank you for the great video. Secondly, I would like to know that if it is possible to use RTC3231 which uses I2C, and the LCD1602 that uses the I2C too along with a keypad. For example, if I press a key on the keypad I would like to see it on the LCD. Will the two devices on the I2C bus make a problem?
@robojax
3 жыл бұрын
Just search my channel and you will be surprised. Here is the code and video kzitem.info/news/bejne/0nhmyqZ_bmireno
@muhammadbilal2000
3 жыл бұрын
@@robojax Thank you very much, sir. I follow your channel regularly for the amazing stuff you have made. Actually, I have integrated the RTC and Keypad but now I want to integrate the I2C display. I wanted to know that will it possible to see the pressed key on the keypad on the display without any problem with the display or RTC? But you have discussed the address on the I2C bus. Do I need to specify the address of the LCD when I need to communicate with the display?
@naveenprince8050
3 жыл бұрын
Should we female header pin to solder??
@nickthewinner2194
6 жыл бұрын
The solution for the blue LCD problem is the potentiometer guys. That is the blue box behind your LCD. Screw the grey thing on it tighter and voila.. your there..
@tonyverduga
5 жыл бұрын
I solved my issue. It was the address. I was able to find the correct address using the scanner code. 0x3F is my address. I think this is what most people are experiencing, as the method in video is misleading about the addressing.
@lgflanang
5 жыл бұрын
Thanks Nick. That was all it took to display the characters.
@hamoudaabidi8705
5 жыл бұрын
thanks , i was about to smash the thing on the floor
@FlightSim2703
6 жыл бұрын
Well done RJ, I'm expecting soon in the mail a 20x4 LCD, just wondering if you will intend upload another wiring, instructions, and code links abut that popular LCD sometime soon? Regards
@robojax
6 жыл бұрын
there is 20X4 and I will upload the video in coming days. But have not heard 20x5.
@FlightSim2703
6 жыл бұрын
Oops ;) you have right, I mistyped the actual size is 20x4 exactly what you say is correct. Regards and thanks very much.
@Eng-Qasim
3 жыл бұрын
شكرا لك متابعك من العراق
@robojax
3 жыл бұрын
مرحبًا بكم في Robojax. أحمد من كندا. أصله من خراسان الكبير.
@edfx
4 жыл бұрын
Mine didn't work on A5 and A4. Only works in SLC1 and SDA1. Also address is 0x3F instead of 0x27 for some reason.
@robojax
4 жыл бұрын
The manufacturers set in hardware. here my video if you want to set different address kzitem.info/news/bejne/w6eDs32Ypot7hmU also A4 and A4 should work with Arduino UNO for others boards see the pins here www.arduino.cc/en/reference/wire
@lukes9783
Жыл бұрын
Hello!! the second part of this comment saved me after messing with this thing for over an hour lol. thank you for sharing this fix :)
@oximas-oe9vf
7 ай бұрын
Please help I am getting, compilation error: no matching function for call to "Liquid Crystal_I2C::begin()"
@oximas-oe9vf
7 ай бұрын
Okay I figured it out had to remove the other LCD libraries and restart the IDE
@salahsoufi8603
3 жыл бұрын
Thanks 😊
@oximas-oe9vf
7 ай бұрын
Please help Nothing is apearing on the LCD The back light is on but no words are showing up
@robojax
7 ай бұрын
Turn the potentiometer to three left or right
@kaparqru7718
2 жыл бұрын
the shows error, I need help
@robojax
2 жыл бұрын
that is not enough. what error? it shows something. perhaps you have not installed the library. Please watch the better version of this video which is part of the course series with full details and wiring diagram here kzitem.info/news/bejne/0a6L0Hmpg4OIZYI
@thebokaj4228
2 жыл бұрын
thx🙂
@magloirebanza4846
5 жыл бұрын
Thank u sir
@robojax
5 жыл бұрын
You are welcome.
@arjunkudikilla8839
Жыл бұрын
Can we do this without soldering
@robojax
Жыл бұрын
Yes if you can hold the module with your hand pressed on the display
@nadermk7
Жыл бұрын
Hi thank you for great video. Mine is not working at all. I am using UNO with an OLED display, did everything A4 and 5, dedicated SDA and SCX, different libraries, even followed advice to change to lcd(0x3f, 16, 2), it is all dead and showing nothing. I am using an OLED without a shield but it has the four required connections. Any idea where am I going wrong?
@robojax
Жыл бұрын
you gott install the library mention and shown. over 100,000 people have used this library
@MegaKbyrne
2 жыл бұрын
I keep on getting a error message no liquidcrystal .h file exists. What a I doing wrong in down loading you code and folder?
@robojax
2 жыл бұрын
Just watch the video without skipping it will be resolved. Just install the library.
@NguyenPhuc-hn4yx
4 жыл бұрын
hi i can't find the library so can you give me the link of it please
@robojax
4 жыл бұрын
Hi, 1000s of people have downloaded it. Under the video we have description and I have links there. see this image snipboard.io/EG4O2l.jpg
@sajigeorge4990
2 жыл бұрын
How could I use this display for home theatre monitor?
@robojax
2 жыл бұрын
Search my channel for thermostat
@carlosmiguelgonzaleztolosa1775
5 жыл бұрын
Questions: 1. how to customize the Pins for connecting SDA and SCL in the Arduino? I would like to use A5 and A4 for another purpose. 2. Will this library works for a 20x4 LCD display?? Thanks!
@robojax
5 жыл бұрын
1-See this video which I have explained the I2C address: kzitem.info/news/bejne/w6eDs32Ypot7hmU 2-Yes I works. I have another video for LCD2004 display: kzitem.info/news/bejne/pYGjtId5hoJ1nXo
@sampsmusik
4 жыл бұрын
If u use the SDA and SCL pins instead (I have to since I'm also using something that takes the pins u used) do you have to change the code? Is there a line I missed where you declare which pins transfer clock and data?
@robojax
4 жыл бұрын
NO. That is what you should use. A4 and A5 are the same pins.
@declanreel4537
5 жыл бұрын
Can you please advice! I keep having a persistent issue with this part - lcd.begin(); This text consistently displays an error when trying to upload which states - 'no matching function for call to 'LiquidCrystal_I2C::begin()' What is the issue? Thanks
@robojax
5 жыл бұрын
Please download and include the library.
@zeke432
5 жыл бұрын
change lcd.begin(); to lcd.init();
@wingsdesire1
4 жыл бұрын
for those who are still searching I had exactly this error, >open the Arduino app; >click in sketch >add file then finally add the file here or search for the "Arduino" folder - Mac >command + space to search >type in "Arduino" without the " " >select the folder > Drag & drop the downloaded library into here or search for the "Arduino" folder - PC >windows + f to search >type in "Arduino" without the " " >select the folder > Drag & drop the downloaded library into here *** please correct me if I'm wrong and ill edit accordingly everything will now run as it should (I wish this was included in the tutorial for us noobs) on a side note here's more info on how to add libraries moving forwards; www.arduino.cc/en/Guide/Libraries if anyone is curious the file extension ending in .h is written in the c language and can be read with Xcode or visual studio
@robojax
Жыл бұрын
you have not installed the correct library. I made another tutorial with the same library here kzitem.info/news/bejne/r4532auFnJFjrZw and used lcd.begin() and it works fine. you are using wrong library.
@minhanhnd
4 жыл бұрын
Thanks a lot.
@robojax
4 жыл бұрын
you are welcome. Thank you for not skipping the ads and keep watching them. This will help me a lot.
@yashthadhawani1419
2 жыл бұрын
Hey sir code is getting uploaded and backlight is also glowing but the text r not visible so please help!
@robojax
2 жыл бұрын
now turn the potentiometer left or right until you see squares on the screen. this video is outdated .there is better version withy wiring diagram here kzitem.info/news/bejne/0a6L0Hmpg4OIZYI which is part of the Arduino step by step course
@dharanichavvakula4517
3 жыл бұрын
Please help me , I am getting error. It showing an error occurred while uploading the sketch
@robojax
3 жыл бұрын
provide error to help you. most people think they are smart and skip the video and miss the instruction. I hope you are not amongst those.
@arrenesamson3448
3 жыл бұрын
sir i installed the library but i am still getting lcd.begin(); error .. please help me..
@robojax
3 жыл бұрын
Please watch the latest new video which is part of the course kzitem.info/news/bejne/0a6L0Hmpg4OIZYI
@ml_bowes
2 жыл бұрын
Hi there, is it possible to use your code with arduino nano? I'm cannot find out how to get your code to work with a nano
@robojax
2 жыл бұрын
Hi, all the codes work with all Arduino board and that's why I did not mention which board.
@jakagrabner9109
4 жыл бұрын
Why didn't you use simple LiquidCrystal library? Does the driver change the way of using library or something?
@robojax
4 жыл бұрын
I tried many libraries and this was the best of all without any issue. In every video I made on LCD, I used it.
@user-su5sq5ib3i
2 жыл бұрын
Side note in 2022. I had to change LCD.begin(); to LCD.init(); in order for this program to work
@robojax
2 жыл бұрын
May be you are using different library. I have mode over 50 projects in this way
@user-su5sq5ib3i
2 жыл бұрын
@@robojax not sure. I used the standard libraries for uno. Anyhow just thought I would share my experience incase someone else gets stuck like I did. Thanks for you videos.
@robojax
Жыл бұрын
you have not installed the correct library. I made another tutorial with the same library here kzitem.info/news/bejne/r4532auFnJFjrZw and used lcd.begin() and it works fine. you are using wrong library.
@stefandaraban5076
4 жыл бұрын
Very good video. You've helped me! =) Thank you! =)))
@robojax
4 жыл бұрын
You are welcome. Good to hear it helped you.
@Chandhrayaan-4
5 жыл бұрын
May i know What is SCL line Frequency here?
@robojax
5 жыл бұрын
The baseline is 100kHz but you can change it. here is the page where you can read further www.arduino.cc/en/Reference/WireSetClock
@thierrybertho4801
4 жыл бұрын
It didn't work for me with a regular LCD shield, but it worked with DFRobot LCD Keypad shield. Not sure why, nothing showed up on the screen
@robojax
4 жыл бұрын
Perhaps you have not installed the right library.
@arsive02
4 жыл бұрын
I'm not getting the output displayed. LCD is on, i also checked the I2C address and its 0x27 only. What should i do?
@robojax
4 жыл бұрын
use potentiometer to set it properly. Watch the video it should work.
@rajhookay
3 жыл бұрын
Hi, I just followed the video to test my i2c with LCD on Arduino Uno. Though the LED lit up,, I could not adjust the contrast with the Variable, and hence nothing was visible in the LCD. can you suggest a remedy?
@robojax
3 жыл бұрын
That’s that only way.
@raymi9612
4 жыл бұрын
My LCD won't display anything, the back-light LED is on, but I can't see any text on the screen. I checked the soldering and I didn't spot any problems with that process, and my code is also correct. Do you know what might be the problem? Thanks.
@robojax
4 жыл бұрын
Adjust using potentiometer. I have shown in video.
@raymi9612
4 жыл бұрын
@@robojax I tried, but that's not the problem
@andrewsotnikov5680
5 жыл бұрын
I found out information, into the datasheet to LCD 1602 is indicated, that backlight consumption is about 100 mA. As I know, DC current per I/O board's pin is 40 mA. So, using this LCD on maximum output current limit is harmful, is not it?
@robojax
5 жыл бұрын
I have not measured the current, but even if 100mA is the max current of the LCD, it will consume it from the VCC pin. The VCC pin of Arduino uno can supply up to 400mA and you can see it here: playground.arduino.cc/Main/ArduinoPinCurrentLimitations the 40mA is the limit of the IN/OUT pins which in this case we do not use to supply power. The other pins are use to communicate which needs very little current.
@dietrichhayes2351
2 жыл бұрын
I keep getting this error code... Please help! Arduino: 1.8.16 (Windows Store 1.8.51.0) (Windows 10), Board: "Arduino Nano, ATmega328P (Old Bootloader)" sketch_oct24a:2:10: fatal error: LiquidCrystal_I2C.h: No such file or directory #include ^~~~~~~~~~~~~~~~~~~~~ compilation terminated. exit status 1 LiquidCrystal_I2C.h: No such file or directory This report would have more information with "Show verbose output during compilation" option enabled in File -> Preferences.
@chernoblyat1901
3 жыл бұрын
7:48 I put the exact same code on the IDE and arranged the LCD like in the video but nothing happens on the LCD why is that?
@robojax
3 жыл бұрын
I assume you have downloaded the library. then adjust the contrast while the code is running. make sure you see 16 character frames in each line.
@chernoblyat1901
3 жыл бұрын
@@robojax yes, but how do we adjust the contrast without the potentiometer since like I'm using the LCD I2C
@robojax
3 жыл бұрын
It has to have potentiometer
@obsidiantechz1371
4 жыл бұрын
Just got the Lcd thing to work but I have a doubt. Suppose you want to change the text After re-uploading the code you have to either adjust the potentiometer in the i2c module or turn the Arduino On/Off to make the new text visible. Is there a simple solution to this?
@robojax
4 жыл бұрын
you can have push buttons like 2 3 or 8 push buttons each with different messages. once pushed you can display them. I have a lot of videos on push buttons. Watch them so you learn how push button works. then if you watched this video fully you would know how to display text. With each push button different text will be displayed. if time permits, I will make a video on that.
@yelkovany
5 жыл бұрын
If lcd(0x27, 16, 2) configuration is not working, It is strongly recommended that you try the lcd(0x3f, 16, 2) configuration before giving up.
@tonyverduga
5 жыл бұрын
This solved my issue. I was sure it wouldn't, as it defies logic lol.
@koshan12
5 жыл бұрын
thank you
@nem0103
Жыл бұрын
do we really need to solder it?
@robojax
Жыл бұрын
if it is not already soldered, yes you need. the connection will not be established.
@shkolatif7764
5 жыл бұрын
when i installed the library it wasnt as yours, i did not get the DHC library. what should i do?
@robojax
5 жыл бұрын
You must get it from the link I provided.
@quantum-inc
4 ай бұрын
this library only work with specific backpacks
@robojax
4 ай бұрын
"packpacks"? it works with any LCD 1602 or 2004 which has the I2C module.
@kimingseney
3 жыл бұрын
did we need to solder at A0,A1 and A2 if we use address 0x27 ?
@robojax
3 жыл бұрын
Please see the link in the description for separate video which I2C module is fully explained
@droneforfun5384
4 жыл бұрын
Can I connect "VCC" to the +/positive side of a 5V battery, and the GND to the -/negative side of the same battery? (I am going to connect some equipment to my Uno, and I've heard it is easy to burn the card if you try to take too much power from it)
@robojax
4 жыл бұрын
Yes you can if your battery is 5V. We don't have 5V battery as for as I know unless there is something else that regulates it to 5V.
@droneforfun5384
4 жыл бұрын
Robojax I was thinking about getting a 5v battery eliminator / power supply, instead of a battery. Not sure if it will work
@mubarakmgunga4223
3 жыл бұрын
my lcd only light up...does not display anything help pls
@robojax
3 жыл бұрын
1-adjust the contrast 2-run I2C scanner and set proper address
@heisenburger5261
Жыл бұрын
Do you need to use the i2c bored or can you just use the lcd on its own
@robojax
Жыл бұрын
No you don’t. Get the lcd without the I2C module and use. But you need to connect 8 or 10 wires instead of 4 . Here is my video on that kzitem.info/news/bejne/tGqvx2eHcKeZfag
@darryl1398
4 жыл бұрын
I need help please. I have connected a MPU9250 accelerometer to the arduino at pin A4 and pin A5 already. Where can i connect the SCL and SDA of the LCD screen and how do i change the code?
@robojax
4 жыл бұрын
Hi, you are asking questions which have been all answered in the video. Please watch, have patience as for 15 minuets. I am reading this comment after 7 hours. if you had watched the video, you would have had the answer 6 hours and 45 minuets ago.
@nafisashamimrafa4492
3 жыл бұрын
Hello, I did everything as instructed in the video. However, my LCD lights up but doesn't show any text. It's totally blank. what can be the reason for that?
@robojax
3 жыл бұрын
Adjust the potentiometer until you see the text
@kawaii7054
2 жыл бұрын
@@robojax I had the same problem with her and when I adjusted th pot, only boxes shows
@kawaii7054
2 жыл бұрын
@@robojax pls help
@ahmadhazim7053
5 жыл бұрын
it said that no matching function for call to 'LiquidCrystal_12c::begin()'
@ahmadhazim7053
5 жыл бұрын
Arduino: 1.8.9 (Mac OS X), Board: "Arduino/Genuino Uno" /Users/xxxx/Documents/Arduino/sketch_aug26a/sketch_aug26a.ino: In function 'void setup()': sketch_aug26a:29:17: error: no matching function for call to 'LiquidCrystal_I2C::begin()' lcd.begin(); ^ In file included from /Users/xxxx/Documents/Arduino/sketch_aug26a/sketch_aug26a.ino:20:0: /Users/xxxx/Documents/Arduino/libraries/LiquidCrystal_I2C/LiquidCrystal_I2C.h:58:8: note: candidate: void LiquidCrystal_I2C::begin(uint8_t, uint8_t, uint8_t) void begin(uint8_t cols, uint8_t rows, uint8_t charsize = LCD_5x8DOTS ); ^ /Users/xxxxx/Documents/Arduino/libraries/LiquidCrystal_I2C/LiquidCrystal_I2C.h:58:8: note: candidate expects 3 arguments, 0 provided Multiple libraries were found for "LiquidCrystal_I2C.h" Used: /Users/xxxx/Documents/Arduino/libraries/LiquidCrystal_I2C Not used: /Users/xxxx/Documents/Arduino/libraries/Arduino-LiquidCrystal-I2C-library-master exit status 1 no matching function for call to 'LiquidCrystal_I2C::begin()' This report would have more information with "Show verbose output during compilation" option enabled in File -> Preferences.
@robojax
5 жыл бұрын
Because you did not include the library. Watch again, download library and add it to your Arduino IDE (Arduino program)
@Crackerjap61
5 жыл бұрын
I ran into this problem as well. Use lcd.init(); instead of lcd.begin();
@ahmadhazim7053
5 жыл бұрын
Robojax can i run 8 display on single arduino?
@milospeelman2203
4 жыл бұрын
@@ahmadhazim7053 you can fix this by deleting the other LiquidCrystal libreries forum.arduino.cc/index.php?topic=581907.0
@Aryan-dy4sr
5 жыл бұрын
When I type lcd.backlight, the backlight doesnt become orange in color.Any solutions?
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