New! Heltec V3 ESP32 LoRa OLED Step By Step

[@ShotokuTech]

Current board manager URL: github.com/Heltec-Aaron-Lee/WiFi_Kit_series/releases/download/1.0.0/package_heltec_esp32_index.json Heltec WiFi LoRa 32 Playlist kzbin.info/aero/PLVPBipeObwMP02QIrh3RGMs1BtPTMt19j

[@turn-n-burn1421]

I tinkered with this thing again today and came to the conclusion while at the precipice of getting it connected to my Android that the screen on a Heltec Wireless Stick is so tiny that I can't read the input code to connect to Bluetooth, so I guess I'm stalled until I get a bread board and a larger OLED screen. Looks like this one is destined to be a base rather than mobile. But I stuck another one in my Amazon cart, one that most people seem to use. I noticed it has GPS. Don't get me wrong, I'm not one of those people who can't set the time on their microwave or whatever, but sometimes, I just have to tinker until I don't even initially realize what I did right to get things working. I can be a slow learner, but once it clicks, I'm off to the races.

[@ShotokuTech]

@@turn-n-burn1421 One step at a time. Focus on being able to reproduce success.

[@edwardchu2401]

After using that board manager URL, I can't find "Heltec-Example" under "Examples for Heltec Wifi Lora 32(V3)", which is what I see in Arduino IDE 2.3.2 when I have that board selected. I've been looking for any version of the "WiFi_LoRa_32_V3_FactoryTest" ino file which does not appear under the path "\Arduino15\packages\Heltec-esp32\hardware\esp32\3.0.0\libraries "

[@ShotokuTech]

@@edwardchu2401 Hello. I'm using Arduino 2.3.2, the board manager URL I'm using is: github.com/Heltec-Aaron-Lee/WiFi_Kit_series/releases/download/1.0.0/package_heltec_esp32_index.json The example sketches are under HeltecExample With the file path being: C:\Users\jeff_\AppData\Local\Arduino15\packages\Heltec-esp32\hardware\esp32\1.0.0\libraries\HeltecExample\examples\FactoryTest\WiFi_LoRa_32_V3_FactoryTest If there is a 3.0.0 board manager URL, I have not tried that version yet.

[@henningpeters1130]

great video, now my heltec-Lora is working, several days I tried to get it working then I found your Video. Many thanks from Germany

[@ShotokuTech]

Excellent, thanks. Best wishes.

[@irondogindustriesllc9025]

At 75 years young I'm having the time of my life. Sad :-)? Your lessons hit the nail on the head. Perfect in length, require one to PAY ATTENTION (rewind is my friend), full of information, and lead to many successes in my case Many troubleshooting/problem solving opportunities still exist requiring critical thinking, resulting is a lot of intellectual satisfaction Currently working on an autonomously controllable universal pod for drones Keep up the good work

[@ShotokuTech]

Amazing! Thanks. Good luck on your interesting project.

[@JTs3DPrints]

Grabbed a few of these boards, just soldered first board up and gave a first boot. Will be using your procedure to install drivers and setup. It looks like you dealt with all the headaches for everyone, very much appreciated! It should makes things easier to get this up and running. Nice job! Thank you.

[@ShotokuTech]

Best wishes on your journey. I have a lot of videos on this subject. If you have questions you might find the answers. Good luck.

[@ericjoulin8758]

Hi, my name is Eric, (new suscriber) In order to make a "connected-beehive " project (monitoring of beehive temperature and weight), I recently bought the "Heltec V3 ESP 32 LORA OLED V3" presented in this video. The device i bought was very poorly documented since only a pin diagram was given. So, as i was making my own search on the web, i found your channel and especially this video which is very well documented, step by step. -First, I have precisely followed all your steps (ie CP210X drivers, "preferences" updating with ESP 32 board selection, library downloading...) without any problem. -Then my Heltec V3 board is well recognized by my Arduino IDE (I used Arduino UNO as a first sted of my project to check that the sensors were working and they did) But whichever the ESP 32 example given (factory test, oled test...) I'm stuck with the same recurrent error problem ("class ESP 32 has no member named display") Actually, i'm unable to do anything with my Heltec V3 board Would you have an idea that could help me?

[@ShotokuTech]

Hello. I have an entire playlist dedicated to the V3 board. I have documented everything I have had to struggle with in video and have several github sites with code as well. I even have a good pin diagram. I invite you to take a look and see if your questions have been answered already. Make sure you have the correct board manager URL. It is in the description and pinned comment on this video. Next you must select the Heltec WiFi LoRa 32 V3 in board manager. Now look for the example sketches under Heltec-Example. The Factory Test Sketch works well. The error you have means you are using the old library or old sketches for V2. The Heltec-Example sketches come from the V3 board manage package. So there is no library to install. I cover connecting a device via Serial and also I2C in the playlist, simplified display code and more. Happy to help. I just can't always revisit things I have already covered. Best wishes. kzbin.info/aero/PLVPBipeObwMP02QIrh3RGMs1BtPTMt19j

[@ericjoulin8758]

@@ShotokuTech Thank you for your help Speaking about the error message, i have been surprised by your track of "library conflict with V2" since i haven't other version than my present ESP32 V3. But the fact is that I have been able to solve the error problem by just removing the V3 library and reinstalling it afterward. Then I have been able to do the factory test and the pingpong test successfully. I'm still struggling with the Wifi test... Thank you again for your help and for the quality of your videos content, so helpful ;-)

[@ShotokuTech]

@@ericjoulin8758 Great! That is wonderful progress.

[@DragónTest]

Hello, there are really quite a few problems with this board, it promises a lot but with very little support, even the github is a bit complicated. With broken web links and poorly updated information, it is not impossible but it is a little complicated to make everything work. I think you are doing a great job explaining it to us, I speak Spanish and with my job I have little time, but I am very grateful to you for clarifying the Heltec Lora V3 code, thank you.

[@ShotokuTech]

I still have a few more demos to do. I should do them before the end of the year. Too many new things coming out right now. So it is hard to keep up. Thanks for watching!

[@DragónTest]

​@@ShotokuTech Thank you very much friend, uploading content is difficult and studying and explaining only shows great affection for what you do, congratulations. I await your content.

[@ShotokuTech]

I have been blessed to experience creativity like no other time in my life. Every day a new idea, challenge or something to learn. I'm glad I can share it and people have responded. KZbin is funny. When you start, you think you will have a million subscribers. The first 100 took a year. The first 1000 took 2.5 years. Now I look forward to 10k subscribers after 5 years or more. But I keep my focus on creating and story telling. That is the key. It's not about the numbers, it's not about your last video. It's about the next one. Thanks again.

[@DragónTest]

@@ShotokuTech You almost stole the words from my mouth, I congratulate you, I don't have much time with my job, and these little devices entertain us a lot, we apply electronics in our house and we like that, I congratulate you again, always success, I'm waiting for more videos :) blessings.

[@jahigroe653]

Thank you for your help! I appreciated the firmware part especially. You got me over the hill, thank you!

[@ShotokuTech]

Excellent. Thanks!

[@mrroobarb]

Fantastic - I was struggling to get these V3's working. Very well explained!

[@ShotokuTech]

Thanks. Best wishes.

[@williamcavanaugh4090]

Thank you! I was stuck and could not finf out what I did wrong. This helped so much!

[@ShotokuTech]

Good news! Thanks.

[@jokopitoyo6505]

thanks uncle for explanation 🙂

[@ShotokuTech]

Sure thing. Try these with Meshtastic. Best wishes.

[@ZestyZSauce]

one thing about this board is you dont need an external power switch you can hold down the selection button to turn off the board

[@ShotokuTech]

Did you see this one? kzbin.info/www/bejne/gHyzaYKsd9JppK8

[@carlosmosca4954]

Really great video and very helpful. Sorry for the inconvenience with my question...Is it possible to connect a Solar Panel directly to the V3 board to charge the LiPo battery? Thank you very much and best regards

[@ShotokuTech]

The board does feature battery charging management capabilities. I would expect it would work. Thanks.

[@carlosmosca4954]

Thank you very much for your response!! It takes me out of a big doubt. Big hug from Argentina!!

[@MrWeavis]

Is it possible to get the V3 board to post my location to Meshmap with "Fixed GPS" or is it necessary to add a GPS Module? Coordinates show on the screen but not on the map. Thanks

[@ShotokuTech]

The WiFi LoRa 32 V3 board does not have any built-in location sensing capability. You will want to add a GPS module. Thanks

[@artlawrence9737]

Thanks for getting the V3 working and explaining how you did it. I had multiple problems with the V3 and could not believe Heltec did such a lousy job supporting V3. I received much help from the Heltec Forum. I have one question about using the Factory Test that you used in the Heltec Examples. I was able to run the Factory Test without any problems, loaded the program onto 2 V3 devices, exchanged LoRa packages between both V3s but when I moved 1 V3 away from the other (just a couple of feet), the packet exchanges stopped between V3s. Can you help me with this? It looks like it could be parameters such as power, spreading factor, etc but I would have thought just moving a foot or 2 should not stop transmission of the packets. Your thoughts?

[@ShotokuTech]

Hello. My previous video "The Best LoRa Settings" kzbin.info/www/bejne/jWLIpZ2nba2GrZo Goes into complete details on the parameters. But I find with the power level 14, bandwidth 125, spreading factor 7, I am able to move from one room to the other and still have a strong signal, RSSI in the 40s. There are several walls in between in this case. So there must be some drastic problem if you cannot go a few feet before losing signal.

[@artlawrence9737]

@@ShotokuTech All set. Needed to change antennas.

[@ShotokuTech]

Okay! Good news. Thanks

[@artlawrence9737]

Still had problems losing the signal after just moving a few feet but noticed when I tried the LoRaBasic LoRaSend and LoRaReceive programs I was able to move around my house and exchange packets. I listened to what you said about the Factory Test and saw that you did NOT setup your WiFi. I removed my router ID and password, recompiled the Factory program, downloaded into my 2 devices and I can now walk around my house and exchange packets. You may want to do WiFi setup in Factory and see if you get the same LoRa failure results that I did.

[@artlawrence9737]

Looking forward to trying a range test of my own.. Thanks for the excellent videos. Learned a lot even though I had problems using the WiFi portion of the Factory Test that seemed to stop LoRa transmissions after moving the devices a few feet apart...

[@ericjoulin8758]

Hi, I'm stuck with My DHT sensors (both DHT 11 and DHT 22) which give abnormal values with my heltec lora V3 board ( such as T=543°C and H = 543%) I don't understand because the sensors were working normally with my Arduino Uno board. With my Heltec V3 board, the only difference is the choice of pin ( i chose the GPIO46 since the DHT are supposed to give digital output). According to the pin diagram of the Heltec V3 board, could you confirm that the GPIO 46 is relevant for (digital) sensor such as DHT 11 or 22. In another hand my weight sensor ( hx 711) is supposed to give an analogic output signal so i was about to test it with any of the "ADC" pins of the board. That's why i would like to find details about the kind of sensors we are able to connect to every pin of the Heltec V3 board but i didn't find anything in your playlist of the Heltec V3 board. So i would have questions : Is there a similar topic of "pin description" which has been done on your channel? Otherwise what pins of the Heltek would you recommand to connect sensors which give digital output signal (and for those which give analogic output signals)? Hoping you will be able to help me. Eric

[@ShotokuTech]

Hello, you raise a good question. I have been exploring the pinout for V3 for a while. This one shows the file that contains the pin definitions in Arduino IDE for the V3 board. Heltec WiFi LoRa 32 V3 SPI, I2C, OLED I2C, and Serial Pins kzbin.info/www/bejne/hXO0mpd7i9imqtEsi=wGQ9_WAC_W73lD2- This shows I2C. "Heltec WiFi LoRa 32 V3 with MPU-6050" kzbin.info/www/bejne/a52ofoWEYtSSpMksi=zZaOy7sHJIsVhDRS This shows the second set of Serial pins. "Heltec WiFi LoRa 32 V3 GPS Question" kzbin.info/www/bejne/qoK9dGd9ob6bg8Usi=qGxCNQfB7eiC-1LE Here is the product page with the pinout. heltec.org/project/wifi-lora-32-v3/ I will try to visit analog and digital sometime soon. Best wishes.

[@DirtyPlumbus]

Came across these on Aliexpress today and came here to see what you thought. 👍

[@ShotokuTech]

I was just tinkering with the V2 version yesterday. The were at -30db right next to each other where the V3 are -8db in similar position. I'm thinking V3 are better, at least that's my observation.

[@DirtyPlumbus]

@@ShotokuTech good to know. Thanks

[@NicksStuff]

What does the V3 bring over the V2? Apart from the USB-C connector?

[@ShotokuTech]

It is using the ESP32-S3, SX1262 and is more efficient in low power state. Thanks.

[@NicksStuff]

@@ShotokuTech Thanks!

[@jbravovideos]

Your suggestions did not work in a Mac environment . It would be wonderful if you could figure this out. Bought two boards but I can't pass the compilation phase since I got different error messages from the ones mentioned in your video. Thanks.

[@ShotokuTech]

I guess I'd need a Mac to do that! I actually broke down and got an iPad for my DJ Controller. That's as close as I got so far.

[@jbravovideos]

⁠@@ShotokuTechi finally got it working but ended up with multiple version of the V3 board. this can get messy.

[@ShotokuTech]

I'd be interested to know what you mean by different versions. Thanks.

[@yellowdogfarm]

I am really struggling to get LoRa functionality on this board. I load up the Example factory test and get the following in the serial monitor: Serial initial done you can see OLED printed OLED initial done! Starting LoRa failed! It also says Starting LoRa failed! on the OLED I am using board manager 009. If I pop into the example code and change the LoRA setting to false it will actually run the wifi portion of the test, stops, and prints the chip id on the serial monitor.

[@ShotokuTech]

Comment out the WiFi and see?

[@adsuabeakufea]

Hello! do you know if the test sketches are compatible with non OLED v3 modules? I bought a couple and have been running into compile issues with the v2 factory test sketch

[@ShotokuTech]

V3 is the jump from ESP32 to ESP32 S3. There is a big difference. The only example sketches that will work are the ones that ship with the board definition for the V3 boards. I cover that is this video. V2 factory test simply won't work at all on a V3 board. So, add the latest board manager URL for your device, load that board definition, choose that board and find examples in Heltec-Example.

[@MaxSMoke777]

WIthout IO, what good is it? Needs a keyboard, or at least a scroll wheel. The scroll wheel for text input might be the easiest, as I have yet to find a mini-keyboard for ESP32 projects. It also wouldn't require a huge change to the case. Then you'd what some people call an "Apocalypse Communicator".

[@ShotokuTech]

Just getting started testing the board. Good that it captured your attention anyway. Thanks!

[@jaredcottrill935]

Do you have a video of adding a solar panel to a heltec v3 setup? I can’t seem any how tops with a heltec vs.. everyone uses a wisBlock but I want to do it with a heltec?

[@ShotokuTech]

This panel is excellent. It plugs into the USB port. 2 Pack Solar Panel for Wireless Outdoor Security Camera,Compatible with DC 5V Rechargeable Battery Powered Surveillance Camera amzn.to/3Uc9sSa I soldered the battery connector that comes with the Heltec V3 to a 18650 carrier, so I can use a 18650 battery. I found a suitable enclosure and mounted the Heltec and battery combo in the enclosure under the eves, so it won't get hit with direct sunlight. The combination has been operating for several weeks without intervention. Most important is placing the panel where it can get direct sunlight throughout the whole daylight hours. If the battery goes below 3.2v you will have trouble. The Heltec V3 is running Mestastic and low power is switched on. So now I am learning how to do remote administration using Meshtastic Python CLI. "My Heltec Meshtastic Story So Far" recaps most of my Meshtastic experience. kzbin.info/www/bejne/nKKTqIpndqx3o7c Of course I have a playlist for Meshtastic: kzbin.info/aero/PLVPBipeObwMNikSEscJtNj8iK2wksWBtu And Heltec in general: kzbin.info/aero/PLVPBipeObwMP02QIrh3RGMs1BtPTMt19j I might make a comprehensive video specifically about the solar setup. I still need to make some improvement as the panel starts getting a shadow cast on it around 3pm. So I could still get 2-3 more hours of Sun once I rearrange it. Right now as it is, by sunrise I'm at 40% battery, 3.63v. Best wishes.

[@1mikechung]

Hi, have you got any projects working . Example like weather stations ? I have the heltech wireless sticks

[@ShotokuTech]

I already have a GPS transponder, primarily for model rocketry applications. I need a better range test next. Then I will develop the GPS thing further and share it. Thanks.

[@bungywilliams5207]

Excellent video. Have you tried this board with the RTL433 project please? I believe it is not compatible, I would appreciate your view. thank you

[@ShotokuTech]

Wow that looks like a very elaborate and capable project. But these boards are all based on SX1262 or SX1276. RTL433 would take considerable effort for me to get started with it and doing that with hardware that may not be compatible is something I can't really commit to. Thanks for the comment!

[@bungy490]

Thank you Sir, I have purchased a compatible board from Amazon and will try to understand how that works, then go back to the Heltec boards. I will inform you if I make any progress. Very many thanks for your prompt response

[@ShotokuTech]

@@bungy490 Hey best wishes. It looks like a promising adventure. I got Raspberry Pi 5, Bookworm and Windows Server 2022 on my slate right now. LOL.

[@davidvalens3337]

what would one use Heltec V3 Lora board for? what can you do with it?

[@ShotokuTech]

Create your own network. No internet. No cellular. Remote sensor data. What else do you want.

[@CosmicVelocity3]

Sorry to say so, but the links you provided partly are the links to the youtube video description, which naturally do not work in IDE. And the rest does not get mentioned in your video.

[@ShotokuTech]

I don't know what you are sorry about. We are all doing the best we can. Try this URL in Additional Board Manager URLS: github.com/Heltec-Aaron-Lee/WiFi_Kit_series/releases/download/0.0.7/package_heltec_esp32_index.json Happy New Year.

[@CosmicVelocity3]

​@@ShotokuTech I said 'sorry' because it is getting increasingly harder to point out things to people without them going nuke😊 Thanks for the link, I hope it will benefit others, too. And thanks for the in-depth video. Happy new year🎉

[@nikguy]

I appreciate this video, thanks. I'll try tonight

[@ShotokuTech]

Best wishes. Thanks.

[@turn-n-burn1421]

I am so freakin' lost. I did finally get that Silicon Labs driver installed. Arduino? Isn't that something to do with Raspberry Pi? I hope my brain wakes up eventually enough to figure this out.

[@ShotokuTech]

Hold on bro. There is many repetitions of the exercise. Please keep watching!

[@turn-n-burn1421]

@@ShotokuTech I'll be back, watching another video, about roughly the same topic. I just got these items from Amazon today. It's not urgent,but since I'm apparently years behind, I noticed this is becoming quite popular and I can see quite a relative need for it soon.

[@ShotokuTech]

@@turn-n-burn1421 Best wishes friend.

[@turn-n-burn1421]

@@ShotokuTech External of KZbin, I did finally manage to extract enough of my own brain power to get the thing flashed and a bit of the items set. But I think most of this will be a project for tomorrow. I saw somewhere that it prefers Chrome Based browsers to do this procedure. So Brave is my go-to and it's Chrome based, but as much as I hate Chrome and Google, I went right to the horses mouth and installed Chrome just to see if that would do the trick. It worked. So the rest will now wait until tomorrow. I think just getting a single one of these up and running, maybe finding other signals will be a somewhat lengthy project. It's okay, but my excitement has been dashed.

[@ShotokuTech]

@@turn-n-burn1421 What did you need Chrome for? I use FireFox. the browser doesn't get involved when you are using Arduino IDE to upload code to the WiFi LoRa 32 board. LoRa may not be widely in use in many regions. Helium is probably the most distributed LoRa network. I would definitely want two devices and purposely send packets from one to the other.

[@CCCHARLIE-xo9zm]

hi sir, could u have a tutorial video about battery managements? Like example, showing the battery voltage, battery capacity, battery current percentage, and soemthing regarding with charging and so on. Thank you so much.

[@ShotokuTech]

That's a good question. Thanks.

[@CCCHARLIE-xo9zm]

All of your tutorial video for heltec wifi lora v3 are very helpful sir.👏🏻👏🏻👏🏻 Can't wait ur next tutorial video about my topic😄 Keep working💪🏻💪🏻

[@karlennis7974]

came here looking for exactly this answer. I have watched most of your videos at this stage, find them really useful! I would love to be able to display the battery percentage and display "charging" if the power cable is plugged in. My intention is to have a small solar panel connected in order to recharge the battery. I am using the lora 32 v3!

[@ShotokuTech]

@@karlennis7974This is actually top of my list right now.

[@karlennis7974]

@@ShotokuTech brilliant!!! I have subscribed and waiting with held breath!! lol

[@idealumesh]

If possible pleaes make a video for LoraWAN to connect things network?. I'm not able to do so. thanks

[@ShotokuTech]

Reminds me of the time I spent $80 on the Things gateway. It was too easy add it like you would any other device and then they inform you your not supposed to do it that way and there is no easy way to undo it. And the Thing gateway doesn't work. I might try what you are asking. But I am rather soured about Things.

[@ShotokuTech]

I forgot to mention Qubitro. Maybe you would like it better than Things. I have an entire playlist using Qubitro device data platform. kzbin.info/aero/PLVPBipeObwMPpVLp2aLwh5-N7ys7SROpq Check out Qubitro.com. The free level is a decent offering and the pay as you go is very reasonable if you want to expand to many devices. Tell 'em I sent you!

[@Zsignal743]

Does the heltec V3 have a real time clock or do I have to install a real time clock hat on what pins. and how do I do it and what are the benefits of doing that?

[@ShotokuTech]

I have an extensive Heltec playlist. There is not an RTC on board. But here is a demo using two wire for I2C: kzbin.info/www/bejne/a52ofoWEYtSSpMk

[@ShotokuTech]

Here you go. kzbin.info/www/bejne/pKiqZZ9thc1ketE

[@n8lbv]

I'm a bit lost. Was given some older V1-V2 boards. Is all of the V2/V3 stuff backward compatible? Trying to find info for them and all I am finding are broken links and 404 errors. I do not have V3 stuff.

[@ShotokuTech]

You will probably be happier with the V2 and V1 boards. It seems the move to ESP32 S3 has caused a lot of changes. I shared the board manager URL in your previous comment. It covers all three WiFi LoRa 32 board versions. As far as pinout compatibility between V1 and V2, I believe they are the same. Pinout changed for V3. This is the landing page for the Heltec docs and it links to a couple of github repos that may have more useful info. But they also have 404 links. Best wishes. docs.heltec.org/en/node/esp32/wifi_lora_32/index.html

[@n8lbv]

@@ShotokuTech Thanks for the replay and for the working board manager link. Any ideas on why I was unable to easily find that? Did I miss something obvious? I'm also trying to understand if anything new or "V3" coming out - if it's expected to be backward compatible with V2? Or are we expected to locate/find/load different libraries and board manager stuff for the V2 vs. V3. Thanks for any clarification. I'm freaking new at this and it's a bit painful haha.

[@ShotokuTech]

@@n8lbv It seems they move information around every so often and I try to keep up with it. I was not able to find it using their links when I was trying to answer your question. I got 404 errors like you did. I just happened to have the URL already in the IDE. Once you install the board package you will see ESP32-Arduino in board manager and WiFi LoRa 32, WiFi LoRa 32 V2, and WiFi LoRa 32 V3 boards to choose from. There are also example sketches for all three versions that get installed as part of the board package. The examples are listed under Heltec-Example. The required libraries are the same, you don't need to worry about juggling this from one board version to the other. I like the FactoryTest sketch the best as it reveals all the LoRa parameters. I have an entire Heltec playlist, including one that goes over the LoRa settings. There is a V2 and V3 version of FactoryTest. For the V3 with BLE instead of serial Bluetooth, I have not found a working BLE example so far. For the V1,2 boards, generic Bluethooth examples work fine. For V1, 2 you may also want to install Heltec ESP32 Dev-Boards library for the OLED Sender and OLED Receiver sketches. These are simpler, but only work for V1, 2.

[@turn-n-burn1421]

Different issue this time. I had a totally different ESP32 board that seemed more inclined toward projects, but I just got THIS board today from China. This time I cannot get the Silicon Labs driver to show in device manager. I've tried a number of times. Any ideas?

[@ShotokuTech]

It's hard to provide technical support from here. Without understanding what PC hardware, OS version. I would go into device manager and click 'view' and then click 'hidden devices'. Resolve or remove anything that has failed. Then reboot.

[@turn-n-burn1421]

@@ShotokuTech Nevermind on that. I figured out how to search for hidden drivers and found it. I'm actually not sure where I'm even supposed to be. I'm doing the Meshtastic thing and have the apparently common ESP32 LoRa device with Bluetooth and WiFi. It is the one capable of US region. I've been in the Meshtastic site trying to figure out what's what. When you have no idea what any setting should be, because you're a newbie, it's extremely confusing. I've yet to find a video by anyone that fully covers the appropriate settings.

[@turn-n-burn1421]

@@ShotokuTech I was able to recall some steps that helped me get started last time and got somewhat set up tonight. I accidentally entered the incorrect WiFi name for our home and then all my access to the device shut down. Now I'm stuck again, but I'll figure it out. I found two different videos that helped Darknet-NG and Mark Ryan. I didn't use either of those last time, but they did help me recall sites I used before. I'd totally forgotten about the flasher page. I tried a test message, but I doubt I had everything set fully, and didn't get any replies. I'll get there. I may have to reflash and erase everything and start over. At least this time I have all the right equipment. Being new at something sucks until you figure out what you're doing.

[@joaopedros2]

Hello. I'm trying to use the sketch WIFI_LoRa_32_V3_FactoryTest on two Heltec LoRa V3 devices, but I don't see the LoRa communication working. The Arduino compiles the code and uploads it to the board without errors. The boards boot up and then only display information on the available Wi-Fi networks on the screen, but they don't send/receive the "hello" packets via LoRa. I've already reinstalled Arduino and the libraries mentioned in your video, but it still doesn't work.

[@ShotokuTech]

Have you powered these boards without the antenna connected?

[@joaopedros2]

@@ShotokuTech Thanks for responding. The antennas were never removed. The only different thing was testing the Meshtastic firmware on the boards, and they worked well, but there are compatibility limitations with sensors, and I want to go back to testing the initial option, but it's not working. Do I need to perform some kind of erase?

[@MyRoboTech]

Hello friend, I have had problems with the compilation of my program from Arduino IDE, I have the Heltec LoRa 32 V3 board, I have followed the configuration steps and I still get the error (Compilation error: LoRaWan_APP.h: No such file or directory ). I would appreciate it if you could help me

[@ShotokuTech]

I am on a brand new laptop. I just installed Arduino IDE. I added this URL to the Additional Board Manager URLs in File/Preferences. github.com/Heltec-Aaron-Lee/WiFi_Kit_series/releases/download/0.0.7/package_heltec_esp32_index.json I added Heltec ESP32 Series Dev-boards 0.0.7 in Board Manager. I selected WiFi LoRa 32(V3) in Board Manager. Under File/Examples/Heltec-Example I loaded WiFi_LoRa_32_V3_FactoryTest. When I complied it just now, it works successfully. I have followed these steps several times on different PCs with the same result. I can't tell outside of that how you would get this error. Thanks. Best wishes.

[@andyduarte8405]

Hello. Where can I find a library to work with this, but for ESP-IDF framework, not Arduino???

[@ShotokuTech]

This is the docs.heltec.org page to get started. I don't see any indication of support for ESP-IDF. It would seem you need to find an individual that has developed one themselves. Wish I had a better answer. Best wishes.

[@josuemedina1726]

Could you make a tutorial to connect to a Lorawan network like helium please.

[@ShotokuTech]

You know this would be a good idea. Can I have a month or so? Thanks.

[@cata-on-the-run]

Really great video thanks!! I've been having a hard time looking for a video that is this thorough! Is there any way you can show the step by step connections + test for this V3 ESP32 board with the Heltec Cubecell HTCC AB02S GPS Module for tracking purposes? Thanks again and awesome content!

[@ShotokuTech]

Good question. But what is a Heltec Cubecell HTCC AB02S GPS Module? And where could I get one?

[@ShotokuTech]

Hello. Is it like this one? amzn.to/43Av0dV

[@cata-on-the-run]

Hi for some reason my comments keep deleting but I got it directly from the Heltec website. If there’s a way to go through the wiring process, showing how to connect those to a gateway, connecting the gateway to a cellphone signal, and then seeing the data on TTN that’d be awesome!!

[@ShotokuTech]

@@cata-on-the-run I might be able to cover most of that turf, I have a couple CubeCells in hand now. Not sure if I can tick all the tick boxes. But we'll see. Thanks.

[@cata-on-the-run]

Awesome that’d be amazing!! Thanks again and really great content 🙌🏽

[@surbhikathane]

how to do this sending and receiving code in esp idf . which library we should use ?

[@ShotokuTech]

I don't do ESP IDF. It is much too foreign to me.

[@surbhikathane]

@@ShotokuTech for Arduino ide I'm getting this error error: 'LoRaWAN_DEBUG_LEVEL' was not declared in this scope uint8_t debugLevel=LoRaWAN_DEBUG_LEVEL;

[@ShotokuTech]

@@surbhikathane Which sketch are you compiling?

[@VE3UET]

the battery connector crumbled in my hand, and the 4pc 3.7v battery's cost 62$ in Canada

[@ShotokuTech]

I think you should be contacting the seller. I have not had that experience.

[@BeWhoYouWant2]

Hi. I did everything you showed in this but it still isnt working for me. I am getting an error saying "undefined reference to `Radio'"

[@ShotokuTech]

What sketch are you compiling? The older sketches for V2 don't work on V3. Only the example sketches within the board definition package work on V3.

[@BeWhoYouWant2]

@@ShotokuTech hey man I got it to work but one of my boards has a different chip id and it's telling me I need a license. I got the license from heltec and it says to add it in the code but the mcu.setlicesne() function isn't defined with this new library. Do you know how I can flash this license properly? I think I must have erased it from memory when I was trying different things. Heltec has a page called "how to use license" but it's not very clear to me. Maybe you can make some sense of this? Ty so much either way! I made more progress from your viseo than anything else so far

[@ShotokuTech]

@@BeWhoYouWant2 I have heard of this issue before. Someone left a comment on how they fixed it. I haven't tried it yet myself. Maybe if I get some time in the next 2-3 weeks. It's crazy here right now. Thanks.

[@BeWhoYouWant2]

@@ShotokuTech I was able to figure it out after pulling out most of my remaining hair 😅. So heltec has some proprietary pre compiled code for the esp32 core that you need to add to your project to use the lorawan. And then the license thing turns out is a serial command not code. You upload some lorawan license firmware from the examples and then send the command AT+CDKEY=your license. Without commas, 0x or spaces. Then it will activate the board.

[@ShotokuTech]

@@BeWhoYouWant2 And there it is! Noted. Thanks.

[@Xonem1]

Have u tried to program using espidf?

[@ShotokuTech]

I'm not as familiar with ESP IDF as I am with Arduino IDE. I have used Arduino IDE for at least 11 years. I have used ESP IDF once. I tend to follow the path of least resistance as long as it works. What is the benefit of using ESP IDF over Arduino IDE?

[@jslonisch]

Really helpful, thanks.

[@ShotokuTech]

You're welcome! Thanks!

[@BeWhoYouWant2]

Did you get it to work?

[@jslonisch]

@@BeWhoYouWant2Yes, had two of the version 3 modules and I was able to load them with the right examples thanks to this video and they worked perfectly.

[@BeWhoYouWant2]

@@jslonisch it took my some extra steps because of problems I caused while monkeying with it. But I also got it working in the end 😀.

[@n8lbv]

Even though this video is only 3 months old links to board manager in the video description only lead to 404 errors.

[@ShotokuTech]

I get 404 errors from links in their own docs and github pages. This is the board manager URL I currently am using: github.com/Heltec-Aaron-Lee/WiFi_Kit_series/releases/download/0.0.7/package_heltec_esp32_index.json

[@erkinertun]

Kutudan cikan iki adet siyah parca var onlari neden takmiyoruz?

[@ShotokuTech]

Kutunun içinde iki adet siyah parça var, neden onları takmıyoruz? Kasa, pinlerin panele lehimlenmesi için tasarlanmamıştır. Teşekkür ederim.

[@jeanicezinho]

this V3 board is a hell like his name, nothing work right with this new libraries, im used with V2, now i try migrate to V3 but i'll w8 to this board stabilize

[@ShotokuTech]

It just worked for me. "Heltec LoRa V3 Range Test" kzbin.info/www/bejne/pmqqeZ17rK6Fqck

[@theactualparadox]

How is the battery life on those?

[@ShotokuTech]

In my video "The Best LoRa Settings" kzbin.info/www/bejne/jWLIpZ2nba2GrZo I show the Semtech LoRa Calculator. It has the energy profile tab. You can use it to show the esimated battery life, based on the parameters that your program for your device. The calculator shows if you transmit or interrogate periodically with sleep in between, a 1000mAh battery can go for hundreds of days. Thanks.

[@theactualparadox]

@@ShotokuTech thank you!!

[@johnicicleboy]

Anyone get the V3 board to work in Arduino IOT cloud? I got it to see the board, but it won't compile or load sketches due to a version difference. Apparently IOT cloud only supports the V2 board and I cannot see any place to load the V3 board definition. The boards work fine on the local IDE...

[@ShotokuTech]

You have to use the sketches the come with the board definition. The old library and sketches don't compile on the V3 board. I will check out connecting this to Arduino IoT Cloud next.

[@p.7555]

Hi, someone can help me I'm doing a simple project which is display real time and date on oled Heltec Wifi Lora 32 V3 using DS3231, i tried many solution on internet, still display nothing on OLED

[@p.7555]

If someone has been doing a related project, could u leave a comment pls

[@ShotokuTech]

There is link to the code on my github page for this video. "Heltec WiFi LoRa 32 V3 Text Display Examples" kzbin.info/www/bejne/aambp4V7o5igp5I

[@ShotokuTech]

Your device is I2C, this covers that topic: "Heltec WiFi LoRa 32 V3 with MPU-6050" kzbin.info/www/bejne/a52ofoWEYtSSpMk

[@ShotokuTech]

Here you go. kzbin.info/www/bejne/pKiqZZ9thc1ketE

[@ShotokuTech]

Heltec WiFi LoRa 32 Playlist kzbin.info/aero/PLVPBipeObwMP02QIrh3RGMs1BtPTMt19j I get 404 errors from links in their own docs and github pages. This is the board manager URL I currently am using: github.com/Heltec-Aaron-Lee/WiFi_Kit_series/releases/download/0.0.7/package_heltec_esp32_index.json

[@DragónTest]

quite a few broken or confusing links on heltec's github. or maybe it just happens to me haha ​​:D

[@SaadonAksah]

Thats so tiny to work at! 😱

[@ShotokuTech]

Yeah those little battery connectors. LOL😂