Bluetooth LED Control App with MIT App Inventor - STEP By STEP

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Enjoy Mechatronics

Enjoy Mechatronics

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In this tutorial, you'll learn how to use MIT App Inventor to create a Bluetooth app that controls an LED on an ESP32. We'll walk you through the process step-by-step, from starting a new project to building the app and testing the final product. Whether you're new to IoT or an experienced maker, this video is a must-watch for anyone interested in using MIT App Inventor to create apps for your next smart project.
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● MIT App Inventor: appinventor.mit.edu/
● ESP32 Bluetooth: • ESP32 Bluetooth Classi...
● ESP32 for Beginners: • Introduction to ESP32 ...
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КОМЕНТАРІ: 86
@edsonkumenya5626
@edsonkumenya5626 7 місяців тому
Thanks man, have learnt a lot from you. Be blessed
@Agrarforst
@Agrarforst 3 місяці тому
Very helpful video! I enjoyed that you focused on the important points. Keep going on like this!
@EnjoyMechatronics
@EnjoyMechatronics 3 місяці тому
Glad you enjoyed it!
@FrancoisSchnell
@FrancoisSchnell Рік тому
Great tutorial, straight to the point, thanks. Keep it up :)
@EnjoyMechatronics
@EnjoyMechatronics Рік тому
I appreciate it. Thank you for your interest 😊
@user-ko7wl4nq5d
@user-ko7wl4nq5d Рік тому
Thanks for sharing. Clear and concise. Just what I needed
@EnjoyMechatronics
@EnjoyMechatronics Рік тому
Glad it was helpful!
@thomasleftwite
@thomasleftwite 3 місяці тому
Very simple and effective instruction! Thank you.
@EnjoyMechatronics
@EnjoyMechatronics 3 місяці тому
You're welcome!
@i_am_hansome
@i_am_hansome 8 місяців тому
you help me a lot and i thank you from the bottom of my heart
@jesus_malik
@jesus_malik 11 місяців тому
Nice great Tutorial bruh! Clear and didactic! subscribed booo!!
@EnjoyMechatronics
@EnjoyMechatronics 11 місяців тому
I am so glad it was helpful for you.
@dbmetters
@dbmetters 7 місяців тому
Perfect - Thank you so much!!!
@EnjoyMechatronics
@EnjoyMechatronics 7 місяців тому
Glad it helped!
@hambaallahygpenyayang5802
@hambaallahygpenyayang5802 8 місяців тому
Thankful master wish you luck
@username_6948
@username_6948 Рік тому
thanks! watched all of your videos.
@EnjoyMechatronics
@EnjoyMechatronics Рік тому
I am so glad you like it 😊
@patriciavidal1109
@patriciavidal1109 Місяць тому
Amazing video! You helped me a lot on my homework! TYSM
@EnjoyMechatronics
@EnjoyMechatronics Місяць тому
Glad I could help!
@linuxrobotgeek
@linuxrobotgeek 8 місяців тому
Got this to work after failing with the Pico W. Even with new BT support things are still a bit rough.
@diego.alienigena
@diego.alienigena 9 місяців тому
great video. It works! 😀 Thanks!
@EnjoyMechatronics
@EnjoyMechatronics 9 місяців тому
Glad it helped
@josemartinezflorez5230
@josemartinezflorez5230 8 місяців тому
super video mil gracias
@circuitideas5128
@circuitideas5128 8 місяців тому
Your video is very beautiful, I understood clearly, thank you very much.
@EnjoyMechatronics
@EnjoyMechatronics 8 місяців тому
You are welcome 😊
@jakariasbulldozer9086
@jakariasbulldozer9086 8 місяців тому
Great tutorial, well explained, please expend its part 2 , with analog read from esp , best of luck
@EnjoyMechatronics
@EnjoyMechatronics 8 місяців тому
Thank you, I will
@edsonkumenya5626
@edsonkumenya5626 7 місяців тому
How to install bluetooth library. Please help...
@irzfanfarizan3001
@irzfanfarizan3001 5 місяців тому
Hi can you do tutorial to display multiple ir sensor and update to the apps using MIT App Inventor? Example parking slot. If slot 1 available the ir sensor send data to the apps and text on the saying slot available. And if slot 2 has been parked the apps will display slot 2 has been parked.
@J_Creative
@J_Creative Рік тому
Nice bro keep it up
@EnjoyMechatronics
@EnjoyMechatronics Рік тому
Thanks 😊
@Ivan-Ko
@Ivan-Ko Місяць тому
I have some error message: no matching function for call to 'BluetoothSerial::BluetoothSerial()', BluetoothSerial SerialBT; Can you help with it please?
@Ivan-Ko
@Ivan-Ko 20 днів тому
Ok, the reason of this, is the wrong esp32, without Bluetooth serial 🤷‍♂️. On over board everything is fine 😁.
@weerobot
@weerobot 5 місяців тому
Awesome...
@EnjoyMechatronics
@EnjoyMechatronics 5 місяців тому
Thanks 🤗
@bachger4289
@bachger4289 3 місяці тому
Hi, why I can not see the list of BT devices on my Android smartphone after press a Devices List button?
@dcsalg79
@dcsalg79 11 місяців тому
With micropython and ESP32?
@circuitideas5128
@circuitideas5128 8 місяців тому
Sir 4 channel will provide a remote control program and app made video I am waiting.
@gerrygalman1660
@gerrygalman1660 Рік тому
If I use the Serial Bluetooth Terminal, it is working fine. Thanks
@EnjoyMechatronics
@EnjoyMechatronics Рік тому
👍
@EnjoyMechatronics
@EnjoyMechatronics Рік тому
● MIT App Inventor: appinventor.mit.edu/ ● ESP32 Bluetooth: ukposts.info/have/v-deo/fYepgW6Ar6Sj0qM.html
@aohmix
@aohmix 3 місяці тому
Why don't I see any bluetooth devices when entering the app? Although I have already connected the HC-05.
@evanhewitt6847
@evanhewitt6847 3 місяці тому
Sometimes you have to give the app permission to access nearby devices (for Bluetooth) in the phones settings, find the app you made under app management
@aohmix
@aohmix 3 місяці тому
@@evanhewitt6847 i was find bug. when i build app on appinventor i will not found device to conect bluetooth. if i use app old a few years ago, i will find it
@BrunoHenrique-jp8ue
@BrunoHenrique-jp8ue 10 місяців тому
i've done this and when I tried to connect the following error happened: error 503 the specified address is not a valid bluetooth MAC adress
@debabratabej4573
@debabratabej4573 7 місяців тому
HC-06 Bluetooth device is paired with my mobile. However, no device is showing in the device list.
@EnjoyMechatronics
@EnjoyMechatronics 7 місяців тому
Maybe you have to add nearby devices' permission to the app from your smartphone
@gerrygalman1660
@gerrygalman1660 Рік тому
Hi Sir. Great tutorial. But why is it that the mit app cannot detect my esp32 bluetooth device? Please help. Thank you very much.
@EnjoyMechatronics
@EnjoyMechatronics Рік тому
You may need to add nearby devices permission from the settings of the app.
@j.anishkumar8321
@j.anishkumar8321 Місяць тому
I am not getting the output...In final step the esp bluetooth is not showning in app...what to do ..please help me
@LearningToFly77
@LearningToFly77 4 місяці тому
How can i automatically connect to a Bluetooth Device?
@JoseMartinez-hg9zu
@JoseMartinez-hg9zu Рік тому
I have a problem trying to connect via bluetooth, I get error 507 and I don't understand why my devices are well connected, if anyone can help me I would really appreciate it...
@slein55
@slein55 4 місяці тому
it has to be connectet via cable to the computer, I can't get it to work with external powersupply WHY??
@RyouscxreD
@RyouscxreD 5 місяців тому
hey ive made an ultrasonic distance measure, and the output is on serial monitor of arduino ide how do i make the output of serial monior to be produced on the app
@EnjoyMechatronics
@EnjoyMechatronics 5 місяців тому
Check out in this video: ukposts.info/have/v-deo/aYCghpmZa5Wo1Ks.html
@gohyanqing6171
@gohyanqing6171 5 місяців тому
Hi ,may i know that why arduino nano 33 iot cannot conenct with the mit apps after following your tutorial?
@EnjoyMechatronics
@EnjoyMechatronics 5 місяців тому
ukposts.info/have/v-deo/fmOFZISKoId6tYE.html
@farihaarif2973
@farihaarif2973 2 місяці тому
I see a blank screen when i try to select from device list, I gave the permission to nearby device from settings. still nothing shows up....
@farihaarif2973
@farihaarif2973 2 місяці тому
Add the "nearby devices" permission from the app settings.... this helped me solve the problem
@thulasi1234-tn5xn
@thulasi1234-tn5xn 5 місяців тому
CAN I GET THE CODING?
@brunodragas8661
@brunodragas8661 4 місяці тому
I have a bluetooth module HC 05 and when I open the application to connect to bluetooth I don't get the list of devices?
@EnjoyMechatronics
@EnjoyMechatronics 4 місяці тому
Make sure to pair your phone with the Bluetooth module and allow "nearby devices" permission from the app settings
@GIANGOLONG
@GIANGOLONG Рік тому
in Arduino IDE code line 16, if i want to have 2 different variables how can i declare sir
@EnjoyMechatronics
@EnjoyMechatronics Рік тому
You don't need to create another variable c. Just add more conditions like if(c== '2').....
@globuglobulin
@globuglobulin 5 місяців тому
and the code???? where's the code?
@RavenTech1
@RavenTech1 3 місяці тому
I see a blank screen when i try to select from device list, I gave the permission to nearby device from settings. still nothing shows up
@farihaarif2973
@farihaarif2973 2 місяці тому
sameee...
@GIANGOLONG
@GIANGOLONG Рік тому
hello, i do same with you but when i open app on phone and click ' Device List ' the phone can not detect bluetooth of ESP32 to connect. Can you help me
@EnjoyMechatronics
@EnjoyMechatronics Рік тому
Before you open the app, pair your phone with the esp32.
@GIANGOLONG
@GIANGOLONG Рік тому
@@EnjoyMechatronics how sir, i do not see name of bluetooth from esp to connect
@Hervelee1011
@Hervelee1011 11 місяців тому
mit can make ios app?
@gurtdereli3499
@gurtdereli3499 11 місяців тому
Sir, when I click Device List no bluetooth device shown up,something is wrong but I cant find out. Could you please share your code and app?
@EnjoyMechatronics
@EnjoyMechatronics 11 місяців тому
I haven't saved the code, but I've created another project with all of the files included in the description ukposts.info/have/v-deo/aYCghpmZa5Wo1Ks.html
@hanhnguyenvan5492
@hanhnguyenvan5492 10 місяців тому
Me too,do you have any solutions to solve the problem? Can you show me.Thanks a lot
@VINInvents
@VINInvents 4 місяці тому
I have a problem, mine does not detect paired devices. List picker is empty
@EnjoyMechatronics
@EnjoyMechatronics 4 місяці тому
Add the "nearby devices" permission from the app settings
@thekikaz
@thekikaz Рік тому
i think since android 13 the permission changed and you have to add a lot more to scan and pair devices... :(
@malhardeadshot6118
@malhardeadshot6118 9 місяців тому
yes it does not connect even on android 12, it just pairs thats it, do u have any solution?
@michaelfecke9850
@michaelfecke9850 9 місяців тому
Not working on Android12 or later. AddressesAndNames: Returns the list of paired Bluetooth devices. Each element of the returned list is a String consisting of the device’s address, a space, and the device’s name. On Android 12 or later, if the permissions BLUETOOTH_CONNECT and BLUETOOTH_SCAN have not been granted to the app, the block will raise an error via the Screen’s PermissionDenied event.
@vladimirkuznetsov2406
@vladimirkuznetsov2406 5 місяців тому
loving you mate, thank you
@Hog-n
@Hog-n 4 місяці тому
Thank you so so much, i was spending about an hour trying to figure out why the Bluetooth wont work. Thank you
@Pouri1103
@Pouri1103 2 місяці тому
دروس علم ؟🤔😄
@sansanjasthinepaguio384
@sansanjasthinepaguio384 5 місяців тому
"Wake up to reality! Nothing ever goes as planned in this world." is a quote by Madara Uchiha from the anime Naruto Shippuden1234. The quote suggests that no matter how much you plan ahead of things, there is still a possibility that everything’s going to come undone. You have to face reality and stand strong even when things don’t go according to y
@TheChhis
@TheChhis 6 місяців тому
List of bluetooth devices is empty. I used Iphone 13 pro max.
@nishant_soni97
@nishant_soni97 6 місяців тому
first pair in your device.
@zeeshankhan-gw2lv
@zeeshankhan-gw2lv 2 місяці тому
786 likes waaoo lucy number so I am not going to like but thanks it was very helpful.
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