You are an amazing educator, the way you talk a little about the background of the related functions & your supper simple explanation of them makes learning about things amazing & easy. Thank you very much & keep up the amazing work 💪, Subscribed 👍

@AndreasSpiess

5 жыл бұрын

Welcome aboard the channel. And thank you for your detailed feedback!

You did a great job analyzing this module

Always like the presentation of your videos. Thank you for the enormous time you must spend making these great videos.

@AndreasSpiess

7 жыл бұрын

You are welcome!

I really enjoy your problem solving approach to using cutting edge technology (cutting edge in terms of consumer availability!) I will be trying to reproduce some of your results. I had a vision to integrate a GSM with GPS and add inputs from my RV's battery monitoring system for remote display. Your work has made my vision look possible are reasonable cost! Thank you

@AndreasSpiess

7 жыл бұрын

You are welcome! Good luck with your project idea.

Great video! Looking forward for the "tracker device" that you mentioned in the end of the video! Very good work! Thank you Thank you!

@AndreasSpiess

7 жыл бұрын

Actually, I bought one (in one of my mailbags). So, no need to build one for me...

You are opening my mind, thank you.

@AndreasSpiess

7 жыл бұрын

You are welcome!

Haven't looked through the whole video, but I just felt I had to comment! You make it so interesting! Some things that you talk about I already know, more or less, but you teach me a lot also with your videos! Really awesome video, as your other videos, I really love them! =D Too bad they didn't supply a proper gps antenna, but what could you expect? =/ Always with 433MHz and other modules bought on eBay and AliExpress you always get the wrong antennas. Really sad, but I guess we've got used to it ;) hehe.. At least we can order a specific antenna and for us others who don't have a spectrum scope, we can only hope that they are proper ;) haha.. Thanks for creating this content!

@AndreasSpiess

7 жыл бұрын

Thank you for your nice words. You are right concerning the antennas. But I always look at the prices I have to pay. Then, I think, it is still an extremely good deal.

@ChrisFredriksson

7 жыл бұрын

Thanks for the reply! Yeah, that is very true! =) Most often, items bought on eBay is at least 10 times cheaper than buying from the shops here in Sweden. Its a matter of; "when do I need the item". If I need it now, I buy it here, if I can wait, I can buy it off eBay =)

I'm impatiently waiting for the tracker video. Thank you..

@AndreasSpiess

7 жыл бұрын

I do not yet know when it will come...

@Patte81

3 жыл бұрын

@@AndreasSpiess I´m waiting too :)

I would like to be as you when I grow up. You are so awesome! I have learned to much things with you.

@AndreasSpiess

3 жыл бұрын

Thank you. Just keep learning!

Thank you for your videos Andreas!

@AndreasSpiess

7 жыл бұрын

You're welcome!

wow, interesting video i used SIM808 now, but now iam excited to buy this module, cheap than SIM808 Thank you very much!

@AndreasSpiess

7 жыл бұрын

You're welcome!

Great video as always, I was hoping to see some power analysis as well.

@AndreasSpiess

5 жыл бұрын

This is an old project. So you have to do it yourself. Should not be too complicated, a multimeter should work.

@MegaYassine47

5 жыл бұрын

@@AndreasSpiess Already gave up on it for Simcom's sim808, I was facing some unexpected shutdowns when sending data using AT+CIPSEND. I appreciate your response.

Thank you, you have give me some ideas! Congratulations for you video.

@AndreasSpiess

5 жыл бұрын

Thank you!

great comprehensive video TQ very much! :)

@AndreasSpiess

7 жыл бұрын

You are welcome!

Nice depth of information thank you

@AndreasSpiess

7 жыл бұрын

:-)

thank you sir your videos always so generous

@AndreasSpiess

5 жыл бұрын

You are welcome!

Hi Andreas, not sure if you found it, but the GPS data can be streamed through the same serial connection that you issue commands with. I.e. only need a single serial connection. Use: AT+GPSRD = 1 //serial gps output on or AT+GPSRD = 0 //serial gps output off

@AndreasSpiess

7 жыл бұрын

+Aaron Neal Thanks. I tried this command, but not extensively. Do you have a documentation?

@aaron_neal

7 жыл бұрын

+Andreas Spiess I used these commands on my module and it seems to work fine. I found a PDF from AI thinker that includes the A6/A6c & A7. In terms of GPS commands, the one to switch it on and the one I mentioned in my previous post are the only commands I could see.

@aaron_neal

7 жыл бұрын

This was th link, but it does not appear to be working right now. wiki.ai-thinker.com/lib/exe/fetch.php/modules/datasheet/a6/ai-thinker_a6_a7_a6c_at_v1.02.pdf

@aaron_neal

7 жыл бұрын

There was a mention of it on the electrodragon wiki too: www.electrodragon.com/w/GSM_GPRS_A6_Module

@miroslavzuzelka2453

7 жыл бұрын

Hello, I just started with A7 module and I´m trying to make GPS work but so far no luck. Can I ask how it works? I will receive GPS data after GPS have fix or streight away when I send AT+GPS/AT+GPSRD=1 command? I send these commands and so far nothing happend. Many thanks for answer.

Hi Andreas, thank you for your videos. I know this video is already a couple years old, but I was wondering if you ended up using the A7 in a project? If yes, did you happen to check power consumption? (Does it have a sleep mode to conserve power?) Have you run into another module you might use instead which has gsm/gps and perhaps even a microcrontroller all onboard? many thanks again

@AndreasSpiess

6 жыл бұрын

No, I never used one because I wanted to wait for the newer technologies. Internet with GSM was not fun for me. So I do not know power consumption

Superb!!!

Awesome! Thank You!

@AndreasSpiess

7 жыл бұрын

:-)

Hi Andreas!, now i'm working with A7 module, it has some bugs for internal buffers, so it's necessary to use AT+CIPSEND and CTRL Z, works great!. I have a question about battery, at the end of your video i can see 900 maH battery that could to energizer, but i want to know if you know a green battery for this module, do you listen about zinc-air battery?, what is your opinion about this?

@AndreasSpiess

7 жыл бұрын

I made a video concerning batteries. Maybe you watch it. But I never tested zinc-air batteries

@anantaraeirl2857

7 жыл бұрын

Is very interesting, because is a green solution for IOT, because the traditional litium battery could be a problem..

Hi, Nice Video again. Can we write the user application inside the module (Like ESP8266-12E).

@AndreasSpiess

7 жыл бұрын

No

Great videos, Andreas. Saved me a lot of time and compensates greatly for the poor chinese documentation. When it comes to hardware i/o characteristics and max ratings, you're on your own. I managed to connect to the board with a 3.3V USB cable. It survived though the serial i/o rating is 2.8V and with your videos it worked like a charm. I trashed the included WiFi antenna and connected an active GPS antenna instead and powered it with a mockup of 5V, a simple coil and capacitor. The GPS-RF input also survived this. Great performance with AT+GPS and AT+GPSRD. Can't get the AT+AGPS to work though even if the GSM is connected. Have you tried AGPS succesfully? Anyone?

@AndreasSpiess

7 жыл бұрын

I tried AGPS and also was not successful

Great video! I have some questions: 1. Does the short antenna is for Wifi? 2. Any idea how we can turn the system off (or hibernate) and turn on when needed (incoming SMS or fix period of time)? 3. what's the current (Amps) draw for idle/GPS on/gsm on/ gsm+gps on?

@AndreasSpiess

6 жыл бұрын

1. No 2. I do not think so. But maybe you find it in the manual 3. I did not measure, so I do not know

Congratulations pour this video. I have a problem rather simple ... how to connect the board ? because the indications are not documented, for instance the pin GPS (near the GSM antenna) ? is it the TX PIN GPS. Have you a document with the corresponding pin to connect to the two series line as in your video?

@AndreasSpiess

7 жыл бұрын

Pin 37 is GPS_TXD The information I used is at: www.electrodragon.com/w/GSM_GPRS_A6_Module

Thank you very much for this great video ! Can I also run GPS and GPRS at the same time? You can also communicate with this module using ESP32, right?

@AndreasSpiess

6 жыл бұрын

1. Yes 2. Yes

Andreas, Have you made any videos showing how to use something like this module for sending data to say thingspeak site for remote monitoring?

@AndreasSpiess

7 жыл бұрын

kzread.info/dash/bejne/o6iu1LijZpmvf6Q.html

How long it take for have a Gps signal(you say few seconds but it's seems to be too short for a no AGPS ) ? It's a bad new for the AGPS, i noticed in the new AT commands pdf they talk about the A6 V3, idk exacly if it's only a firmware modification or an hardware too, thx to the V3 we can have new GPIOs but I can't find how upgrade the Firmware : (. I see the Gps signals are NMEA so have you tested the TinyGps++ library ? Thx for all the informations : )

@AndreasSpiess

7 жыл бұрын

1. I do not remember how long it took. But it was quite fast. 2. I do not know about new versions or how to update the FW 3. I did not use the tinyGPS library

Hi Andreas, thanks for your videos, they all are really informative. I bought the same module, and rushed to see this video, and got really disappointed hearing that the GPS antenna won't really work. Since I'd really like to give it a try, what would you suggest me: no antenna at all/ wrong antenna/ diy antenna... ? :) what would be the results ? Thank you for your time !

@AndreasSpiess

7 жыл бұрын

The antenna might still work, it is just not made for this frequency bands. There are some GPS antennas even with SMA adapters available on Aliexpress

Thank you very much!

@AndreasSpiess

7 жыл бұрын

You're welcome!

Great video. Look forward to one on a GPS tracker. Is there any reason I should not buy this for a raspberry pi 3? Thanks.

@AndreasSpiess

7 жыл бұрын

No, I do not think. Both are 3.3volt and fit good.

Concerning the shutdown of T-Mobile’s and Swisscom‘s 2G network, there are a few alternatives available now like for example the Ai-Thinker EC-01 series (NB-IoT) or the SIMCom SIM7xxx series.

@AndreasSpiess

7 ай бұрын

Did you try them? On which network?

Thank you for this great info. Mine just arrived here. Same useless antenna in the box. (I don't get this) Like receiving a diesel engine in a petrol car... I noticed that the the rx and tx pins are not 3.3volt but 2.8? are you aware of this? guess 3.3v would be OK but 5.0v not.

@AndreasSpiess

7 жыл бұрын

I do not know about the voltages, but, as you write, I use 3.3 and avoid 5v

Hello, is there possibility to check if that module uses AND or OR function with speed and altitude limits? Im looking for GPS tracker for my stratospheric baloon, and I need it to have disabled 60000 ft/18 km height limit, or just that one, which uses AND function (GPS turns off when both altitude and speed are exceeded).

@AndreasSpiess

7 жыл бұрын

These are only modules to read the position. So, you need an additional microprocessor to log the data. And this microprocessor then has to do the switching.

Hi Andreas, can't thank you enough for all the knowledge you are spreading. Can we send an image to a server using A7? Thanks again :)

@AndreasSpiess

5 жыл бұрын

I do not know.

@ekbastu

5 жыл бұрын

Thank you for your response ;)

Hi Andres, Do you have information about the GPS in this module? It seems that the module doesn't supply power to the active antenna but I can't find information about this

@AndreasSpiess

7 жыл бұрын

+totoxahc I also have no Info about that.

At the time i write this, the A7 module is on ebay, but they don't advertise the GPS features at all. To find it you'll have to search for: *GPRS A7*. If you have GPS in your search it won't show up. So it all must be quite new, and they're still using the description from the A6 (with no GPS). On the items tho you can clearly see it's the A7 module in the pics tho, with the dual Antennas and "GPRS+GPS" written on the module surface.

@AndreasSpiess

7 жыл бұрын

I am not an "ebay guy". I buy from Aliexpress or from Bangood. At Aliexpress they mention GPS. You are right, the module is very new and also the documentation is not complete.

@AceL.

7 жыл бұрын

Some results show up, but if you type "GPRS" you have much more results, i noticed it too yesterday... And for the record the modules used to be 1-1.5 Euro less like half a week ago, the exact same ones from the sellers. :P

@AndreasSpiess

7 жыл бұрын

+Giwrgos Dimas This seems to be the free market!

Hall8 Andreas sehr gutes video. Eine frage, ist es möglich den a7 auch mit dem Raspberry pi3 zu gebrauchen?

@AndreasSpiess

6 жыл бұрын

Warum nicht? Er wird über die Serielle Schnittstelle angesteuert.

Hey, thank you so much for the video! Have you done any investigations on how much power the module consumes? Thank you so much!

@AndreasSpiess

7 жыл бұрын

No, so far not.

@hannesf752

7 жыл бұрын

No Problem! But if you still have it laying around and dont know what to do ;) ... ...i would be really interested ! Cheers!

I am trying to do the same thing on A9G model. Can you tell what did you do of extra work beside At+gps=1? Thank you very much

@AndreasSpiess

4 жыл бұрын

This is an old video and I do not remember. But I had to issue many commands in a row. They should be documented somewhere.

Hi Andreas.. Any update on you doing a video of connecting the A7 to the ESP8266 .

@AndreasSpiess

6 жыл бұрын

I will not do anything more with these modules and wait for the 4G ones.

Hi, great videos. Have you seen the a9g pudding. I want to buy it but I don't know how to program it and it doesn't help that the datasheet is in Chinese.

@AndreasSpiess

4 жыл бұрын

I also do not know. That is why I did not buy one so far.

First of all, thank you for this useful video! when I use a7, it sends back to me a hex-message. Could you please tell me, how to convert the hex-file to gps longitude and latitude? thanks so much!

@AndreasSpiess

6 жыл бұрын

I am no specialist, but google might help

Hello Andreas! Do You know how to remove GPRMC GPVTG GPGSV GPGSA data from NMEA responses? All I need is GPGGA data, and I could not find solution for that in datasheet. Also is it really necessary to have max current input > 2A as datasheet states? With both GPS active and GPRS sending data maximum current flow I've measured was about ~250mA. Thank You in advance.

@AndreasSpiess

6 жыл бұрын

No, I do not know if this is possible

Does this product have ESP8266 wifi integrated? Can It be used as microcontroller or it has to be connected to external microcontroler via serial port?

@AndreasSpiess

7 жыл бұрын

You have to connect this device to a microcontroller (trough Serial). I has no ESP or WiFi integrated

excellent and quite thorough ...... as always......i could not help but press the subscribe button :)....... and of course the like

@AndreasSpiess

7 жыл бұрын

Thank you for your support!

No wonder I couldn't get the module to lock to any satellites.. Antenna that comes with it is wrong then. Thank you for sharing that. Now I have a new problem. My main TX line doesn't work any more. Rx works fine I can see modem starting up but can't send any commands...

@AndreasSpiess

7 жыл бұрын

Glad to read that. Do you know if it is the USB to serial adapter or the module? At the beginning, I had also problems that the module did not answer. When I used realterm it worked suddendly and I had no time to investigate forther. So, maybe you try a little longer. At least in my case, it was not a defect...

can u help me for use this module? i use arduino uno. i need tutorial wiring and sintax to use this module with my arduino. please answer me. thank.

@AndreasSpiess

7 жыл бұрын

I have no plans for this chip for the moment. Maybe you watch also my second video about the A6

I hope you make the GPS tracker video, it looks cool.

@AndreasSpiess

7 жыл бұрын

I hope, too. But not the few weeks...

@br0k3nilluzion

7 жыл бұрын

would be awesome if you were to make the GPS Tracker video

can A7 module be used in the evaluation board of the A6?

@AndreasSpiess

7 жыл бұрын

I do not know. You have to check if they have different pin-outs.

that's the best channel on youtube! i watch every video with great interest. can you make a video with arduino using for wifi esp8266 or just help me do it myself? i need to power the esp from the arduino but it seem that there are so many wrong tutorials on the net. what is the right way to do that?

@AndreasSpiess

7 жыл бұрын

Thanks for the nice comment! I never did it, so I do not know, how to do it. I put it on my project list

Great videos all around:) Was wondering if you ever did build that GPS tracker? I have the same module and was wondering how it's done with 8266? Thank you, have an nice day!

@AndreasSpiess

7 жыл бұрын

No, I did not build one. I bought one for nearly no money (in one of my mailbags)

@olegs542

7 жыл бұрын

Andreas Spiess Any desire to do so:)

@AndreasSpiess

7 жыл бұрын

no, not for the moment

nice, I'll have to try one. What service do you use for GSM?

@AndreasSpiess

7 жыл бұрын

M-Budget

Hi Andreas, any follow up - "How to build a Tracker?" It's a while ago, and I cannot find any in your channel...

@AndreasSpiess

Жыл бұрын

No. I decided not to cover GSM because these nets are switched off more and more. And the 4G boards are still quite expensive.

Hi Andreas, can you share with the wiring diagram of A7. which pins were connected to what? Thanks, -Anish

@AndreasSpiess

7 жыл бұрын

Please look at the comments below. I think, I answered this question already. Maybe you watch also the A6 videos (if not done yet)

Do you have a video or a tutorial for ESP32 & A7 module?

@AndreasSpiess

6 жыл бұрын

No

Hallo Andreas, kennst Du ein "günstiges" 3G fähiges Modul? Auf Ende 2020 wird ja das 2G Netz in der Schweiz abgeschaltet. Ich habe gesehen, dass man SIM5320 Module bekommt für 20$. Hast Du ev. Erfahrungen damit? Gruss Stefan

@AndreasSpiess

6 жыл бұрын

+LearningToFly77 Nein, leider nicht. Das ist wahrscheinlich der Grund wieso immer noch viele GSM Module verwenden. Ich habe dieses Modul noch nicht verwendet

Nice!

@AndreasSpiess

4 жыл бұрын

:-)

Hello sir i have a question to ask. I'm developing a personal tracker, trying to make it as small as possible, the problem is th Gps Antenna ! Is it possible to use smartphones or tablets with a GPS antenna in my device ? what would you recommend?

@AndreasSpiess

4 жыл бұрын

Maybe you google "meshtastic". This project uses a Smartphone for GPS

hey andreas spiess, i was wondering if theres a way to add upnp in esp8266? in order to find a iot device via the public address without configuring the router before hand?

@AndreasSpiess

7 жыл бұрын

I am not good at these network technologies, so, I do not know. As an Engineer, I went the easy way and, solved the problem for the moment by going to the cloud ;-)

@piux

7 жыл бұрын

well what about making a video about the new esp32, i have seen its already on sell and before buying one i would like to see an overview using the arduino ide, cant really find much about this new chip. thanks for your videos again.

@AndreasSpiess

7 жыл бұрын

Neither can I. So, it is not yet the time for me. For sure, I will buy one as soon as they are available on Aliexpress or Bangood. But for the moment, I would not be able to use it. And I have still many other ideas...

Anyone here having problems getting a GPS fix outdoors? I have 2 of these modules and an external antenna (like in the video) but cant seem to get a fix to any satellites

Thanks for your channel! This A7 can work with an Arduino?

@AndreasSpiess

7 жыл бұрын

Yes

@andrianavalonahirinarazaka5485

7 жыл бұрын

Thanks I will try it with Arduino. And what software do you use to find the efficiency antenna?

Thanks Andreas, was very helpfull! Have you started a project yet?

@AndreasSpiess

7 жыл бұрын

No, I had other priorities lately

@charlottedreyer5961

7 жыл бұрын

I have ordered the development board,but would have never found the problem with the GPS antenna,as I can see on many posts that people are complaining about connection issues. Greetings

I managed to add power for a active GPS antenna to the GPS SMA connector. I replaced the zero ohm resistor which connect the SMA connector to the GPS antenna input from the A7 module by a 100 pf capacitor. On the backside of the pcb I soldered a SMD 1 uH inductor directly to the center point of the SMA connector and the other end with a thin wire to the 4 volt VCC near the MP1584 voltage regulator.

@AndreasSpiess

7 жыл бұрын

Very good information! Thank you. Could you provide maybe link to the antenna you used and a picture where you show, what you exactly did. I think, many other subscribers would be interested. Just for my info: What is the min and max voltage for the antenna!

@dolfdewaal6787

7 жыл бұрын

I made two photo's from both sides of the module, which hopefully gives enough info. The link is : www.dropbox.com/sh/xcuy4b135jigh1g/AAACqVZXAmFlJi68VQcSrhA9a?dl=0 I used an old TomTom GO external antenna (model 4D00.006) but I think that the antenna bought from Ebay should also work.

@AndreasSpiess

7 жыл бұрын

Thnks. Perfect. I will try it, too

@brianfox1819

7 жыл бұрын

Do you have part numbers or specs for the components you added? For instance is the capacitor you used a multilayer ceramic, feed through. etc? Thanks for the help and for posting your findings.

@dolfdewaal6787

7 жыл бұрын

I can't say much about the components, because they came out my "junk box". The capacitor is a 3216 (3.2 x 1.6 mm) but the 0 ohm resistor it replaces was smaller in size. I don't think that the quality is very important, because it only has to block the VCC. The inductor is a 3225 (3.2 x 2.5 mm) with a dc resistance of 0.5 ohm. It is mounted upside down, so it is easyer to solder to the center pin of the SMA connector and to solder the wire at the other end.

Hi good evening Andreas I was just wondering if you have any tutorial or any idea(s) on how to use this to the raspberry pi 3? thanks for the reply

@AndreasSpiess

7 жыл бұрын

No, I never used it with a Raspberry

@roeiboribor3501

7 жыл бұрын

But if you do, can you show a tutorial thanks mate! appreciate your video

Hello, Did you try to use the antenna from the neo gps module? In case you own one of course... does anyone else know if it works ? Do we have any documentanion for this or more advanced staff? i checked the 2 links that were on your first videos that someone posted on comments. Im more interested on the GPS part for now...

@AndreasSpiess

7 жыл бұрын

The normal Gps antennas do not have SMA connectors. You need a converter. I hope, i will get one in the next weeks. There is not much documentation around for the moment.

@AceL.

7 жыл бұрын

Oh i see... is there any way to de-solder the SMA connector and solder one that will work with that ceramic antenna? If yes can you point me to the right direction like a link or something? Thanks for the reply.

@AndreasSpiess

7 жыл бұрын

+Giwrgos Dimas the cable of the GPS antennas are much smaller than the one used with SMA connecors. That is why I ordered a connector

Thank you for great tutorial. Maybe it is not rude to ask from you to make a tutorial on how to send HTTP get request with the A7 module? From some reason I get an error response for AT commands to send a get request. I used SIM900 commands which looks like a kind of a standard but couldn't find any info in the A7 document for HTTP get request.

@AndreasSpiess

7 жыл бұрын

It took me a while and many error messages to get this done. The SIM900 commands did not work. You should find an example (Sparkfun) for a http request in my files for the A6 video. I assume, they use the same commands.

do you know if i could put this module into a rasperry pi zero ?

@AndreasSpiess

6 жыл бұрын

I think so. It has Serial connections

Hi, which library do I need to use with arduino?

@AndreasSpiess

7 жыл бұрын

I did not use a library.

Anyone know if it's possible to buy this board anywhere today? Seems sold out everywhere.

@AndreasSpiess

6 жыл бұрын

Maybe they have a successor (A9?)

do i need mobile data to get the GPS location in A7 module

@AndreasSpiess

6 жыл бұрын

No

Hello :) Why you didn't use the usb port on the module? It can't be used for serial communication?

@AndreasSpiess

7 жыл бұрын

+Maćko Where did you see a USB port?

@Maciekbac

7 жыл бұрын

on the aliexpress: ae01.alicdn.com/kf/HTB1VndiLpXXXXXtXVXXq6xXFXXXN/202171486/HTB1VndiLpXXXXXtXVXXq6xXFXXXN.jpg

@AndreasSpiess

7 жыл бұрын

Unfortunately, this is only for power. As with the A6 module. There is no USB to serial converter chip on this board.

Excellent))

@AndreasSpiess

7 жыл бұрын

:-)

Hello, this seems interesting but the link to aliexpress is dead :/

@AndreasSpiess

6 жыл бұрын

Thanks. I updated the links.

HI Andreas, where you find AT commands or docs for this A7 ?

@AndreasSpiess

7 жыл бұрын

The information I used is at: www.electrodragon.com/w/GSM_GPRS_A6_Module

@FragaWill

7 жыл бұрын

thank you Andreas

sir where did you connect the GPS pin in A7?

@AndreasSpiess

6 жыл бұрын

+carlo atienza I only did what I showed in the video.

Hi! Can you made video "for dummies" of how did you connect everything together? I'm a programmer and I'm interesting to programm calls/sms from MySmartHouse to me in case of emergency.

@AndreasSpiess

7 жыл бұрын

Maybe in the future, but not in the next few weeks.

Is this how you build a gsm data receiver?? For atm and pos ?

@AndreasSpiess

3 жыл бұрын

I assume they use similar chips for those devices

Hi, I tested the AT commands to send HTTP get request you showed for the A6 on the A7. Unfortunately it didn't work for me. On the 3rd command I get an error as if this command is not supported. AT+SAPBR=3,1,"CONTYPE","GPRS" The error: +CME ERROR:58 The A7 that I use has thi version: Ai Thinker Co.LTD A7 V03.03.20160725009H03 Making phone calls does work so I guess the SIM is registered OK on the network. Is it the firmware? or maybe my SIM card? Thank you for your kind help

@AndreasSpiess

7 жыл бұрын

So far, I only did the testing with the A6. But I saw the 58 message many times :-( You can try if the SIM services are ok by using the card in one of your mobiles. At least, this worked for me to discover, that a service was no more working (I has an expired pre-paid card). For the rest, I cannot help for the moment till i find the time to test the A7 myself

Hello Andreas. I received the A7 module and it works with Putty and other programs of this type (I send AT commands and receive data). Can I read data from A7 module using STM32 (Blue Pill) but I do not know why I can not send AT command using STM32 ?? Please help because I ran out of ideas. Everything works except that I can not send the AT commands from the microcontroller. If the AT command is sent from Putty to A7, blue pill reads data, what's wrong? Sorry for the mistakes, I'm from Poland and my English is weak.

@AndreasSpiess

6 жыл бұрын

Maybe you add a CR or LF character at the end of the line in your program.

@Myk13nc

6 жыл бұрын

Welcome back :) Your idea was shot at 10! Command "AT '\ r'" finally gave the answer "OK" :)) Thank you very much!!

@Myk13nc

6 жыл бұрын

Hello! Your previous tips were excellent and thank you for the advice .... and please more;) Again my module makes me difficult. For some time, he started to get a bad position. I get the same data as before but the location is different and away from me about 43km !! My program is the easiest of the possibilities, it reads the gps data and displays it in the Serial minitor. Gps constantly points to the same position, "AT + RST = 1" does not help. No power supply overnight does not help either. Have I changed something in settings ??

OK I finally have to ask. Please tell me what the first word is that you say in all of your videos. "Greetings"? I just can't make it out.

@AndreasSpiess

7 жыл бұрын

It is "Grüezi" and means "hello" in Swiss German.

@chriswesley594

7 жыл бұрын

Oh! Tack. (Swedish for "thankyou", I believe).

Could it be possible i erased the firmware? How do you do the firmware update? i have the file but no info on how to do it?

@AndreasSpiess

7 жыл бұрын

I never did a firmware upgrade.

Can I use the A7 for mobile internet as well? (e.g. to add an ESP8266 and send the GPS data to a server)

@AndreasSpiess

7 жыл бұрын

I think so.

@CallMeTiPE

7 жыл бұрын

Did you find any libraries to use it with the ESP8266 yet?

@AndreasSpiess

7 жыл бұрын

Tim J.P No, not yet

Such a great channel. Thank you. Do you know if the A7 board can receive text messages while it is in standby. I found in a data sheet that it uses around 5mA in standby, but it doesn't say what is turned off in this mode: www.makerfabs.com/desfile/files/A6_A7_A6C_datasheet-EN.pdf Thanks!

@AndreasSpiess

7 жыл бұрын

I never tried this mode.

Hi, is this module for 3G networks? or only works with 2G?

@AndreasSpiess

7 жыл бұрын

The A6 was only for 2G. So, I assume, this too. I dont know of a board using 3or4G. See also the discussions below my A6 videos

Thank you very much for the video. I am having trouble to connect it with arduino. Please help me...

@AndreasSpiess

7 жыл бұрын

Did you watch all my videos concerning the A6/A7 chip?

@wahidurrahman604

7 жыл бұрын

No. Thanks for your information. I will watch. But it would be good for me if you give the link of your video of 'A7 working with arduino'...

Hi Andreas! Did you ever get the assisted GPS to work on this?

@AndreasSpiess

7 жыл бұрын

+Raghu Tumati No. But I did not try hard...

@raghutumati5178

7 жыл бұрын

Ah! ok. I tried following AiThinkers minimal documentation but did not succeed. Wondering if there is a way to contact them about it?

@AndreasSpiess

7 жыл бұрын

Maybe you ask the supplier of your devices?

ich habe schon wieder eine Frage.. hast du schon etwas mit dem Modul gearbeitet? ich probiere die ganze Zeit, die Baudrate auf 9600 zu stellen, aber nach jedem "Neustart" ist sie wieder 115200...

@AndreasSpiess

7 жыл бұрын

Ja, das ist so. Schade, aber nach meinem Wissensstand nicht zu ändern.

@CamzTouchStudios

7 жыл бұрын

Andreas Spiess Schade :(

hai Andreas, how to connect pin Arduino Pro Mini or arduino uno with a7 module? and how to send AT commands to a7 from arduino? im stuck in there and realy need help please

@kojack135

7 жыл бұрын

Hai Andreas, it's works, thank's a lot

@AndreasSpiess

7 жыл бұрын

:-)

Hi is it possible to send an custom SMS through GPS if you are in a rural area?

@AndreasSpiess

7 жыл бұрын

+brent rose No. GPSIs only receiving

@brentrose7237

7 жыл бұрын

can someone send sms to you only?

Hi Andreas, Is it possible to somehow check an antenna without a spectrum analyzer ? :D

@AndreasSpiess

6 жыл бұрын

Yes. Maybe you watch my newest video. And the one which will come about antennas.

@nubin.stanley

6 жыл бұрын

Ok :)

@nubin.stanley

6 жыл бұрын

One more thing. Is it possible for me to contact you through any other medium ? :D email ?

@AndreasSpiess

6 жыл бұрын

Twitter or Facebook

Andreas...I am unable to post anything from tcp method to a web server. since A7 module does not support http services, is it possible to do it from tcp method?

@AndreasSpiess

7 жыл бұрын

Did you look at my A6 video? The A7 should use the same commands.

@MohamedAfzal

7 жыл бұрын

Andreas Spiess yes I did. But in my case I want to send a post request to my web host to pass the following variables. post.php?y=2&z=7 With GET will it be Possible?

@AndreasSpiess

7 жыл бұрын

I do not know, but to my knowledge, the get commands are normal http calls. So, I think, yes.

Andreas, I got my A7 today but I can't seem to get serial communication to work. The only info I have is from your video. I am supplying power to the micro USB connector from a large power bank, so I assume current capacity is OK. I have serial connected to PC via a CH340 usb adapter (RX/TX pins on the same side as GPS connector). I have a ground from the CH340 to the A7, but not power. The CH340 is set to 5v just to be safe. I then press and hold the power button on A7 for 2 seconds and the LED lights up. Putty is connected at 115200 baud. When I type AT i get nothing on the putty terminal. If I press the power button again, to power down, then power up, I get some 'garbage' on the serial terminal, so assume something is happening?? Do I need any special settings in putty? have I got the A7 powered up correctly?

@markdavison7893

7 жыл бұрын

arrrh! some progress, I now get an output when i power it on. Not sure what was wrong before, possibly not holding power button down for long enough. The A7 now send a series of lines to putty; ^CINIT: 1, 0, 0 ^CINIT: 2, 32, 41891 ^CINIT: 8, 2048, 1 ^CINIT: 16, 0, 1638410 ^CINIT: 32, 0, 0 +CREG: 0 then nothing else happens. I still can't send AT, or at least I get no response. I've tried sending AT+GPS=1 and again now OK response (assuming I should get an OK). I have to force ECHO on to see the AT that I send, nothing when set to auto (not sure how this should be set)

@AndreasSpiess

7 жыл бұрын

Try once Realterm instead of Putty

@markdavison7893

7 жыл бұрын

I can now get AT comunication working and send/receive text messages ! The problem was the power supply, it obviously wasn't coping with the peak requirement. Had similar issues with SIM800 so should have known. I'm now struggling with GPS. I get an OK response to the AT+GPS=1 command, but no output on the GPS TX @ 9600. Should I get a serial output even without a fix? I only have the wifi type antenna that can with the A module and an Active antenna (with a very long lead). I've tried both but no output on the serial terminal

@markdavison7893

7 жыл бұрын

I now have a GPS output ! I was on the wrong TX pin, doh. The pin i was supposed to use was the pin labelled "GPS", not the one on that side labelled "TXD". It was really hard to see which pins you'd used in you video and I got the wrong one.

@FragaWill

7 жыл бұрын

MARK, how you get GPS info ? i'm connected by TX, RX but after AT+GPS=1 get nothing need connect another pin ? may you help me ?

do you know if the module is still available?

@AndreasSpiess

7 жыл бұрын

From other suppliers, yes. My supplier obviously changed something...

baudrate a7 support with must be 115200?

@AndreasSpiess

7 жыл бұрын

Yes

First of all, congratulations on the video! Now, I'd like to know how you did it. Do you have a tutorial? I have an Uno R3 and A7, but I do not know how to use it. I need to send geographic coordinates through text messages to an academic work. Can you help me? Thanks!!!

@AndreasSpiess

7 жыл бұрын

I put everything I know into this video. So, if you need more info, you have to google or read the data sheet.

@_adamalfath

7 жыл бұрын

Tiago Higino did you success yet? I have same question

@Chinaycustom

7 жыл бұрын

With me it still did not work. I almost gave up on this module. I have not seen any in full operation yet. No sketch worked with me.

@_adamalfath

7 жыл бұрын

Well I'm glad you just "almost" give up, hehe. I'm already buy 4 of this and now I'm stuck

Hello, do you have a schema on how to connect the wires for GPS / GPRS?

@AndreasSpiess

7 жыл бұрын

Not more than at 5:33. Maybe you have a look into the data sheet of the A6/A7

@MD-fe1jz

7 жыл бұрын

That's exactly what I did UART_TX -> RX and UART_RX -> TX both 3.3v, 5v -> 5v and the GND to GND, I don't need the GPS because I'm only trying to use the GPRS/GSM for now. But it seems the A7 doesn't even power up, I'm trying to connect it with a raspberry pi. I will maybe try and see if this works with a PC + FTDI first. I could see that you have a red light on on yours which I dont have switched on mine at all, are there any specific ways to turn it on?

@MD-fe1jz

7 жыл бұрын

@Andreas Spiess Based on the schematics of the A6, I figured I had to connect an micro usb cable to the A7. then loop the 5v with the PWR_KEY, it works now. Thanks.

@AndreasSpiess

7 жыл бұрын

Not that I remember. But it needs some power. So, you might have a look at your 5V supply that it is strong enough

Any follow up on this subject ?

@AndreasSpiess

7 жыл бұрын

No, unfortunately not. I had so many other things to do...

Can you show more detail about the schematic in your test? Thankyou.

@AndreasSpiess

7 жыл бұрын

I did not do that. But you find some information in the comments. Maybe in the future, I will du an update to that video.

@casiof21

7 жыл бұрын

Andreas Spiess i got it. GPS worked. Thanks.

Hi Andreas, Im lost, don't you know why the module reboots randomly and ALWAYS reboots when recieving an SMS? Thank you Charlotte

@AndreasSpiess

7 жыл бұрын

I never worked with SMS. So, I do not know

@charlottedreyer5961

7 жыл бұрын

Thanks Andreas

@fritzfahrmann4730

7 жыл бұрын

maybe your supply is to weak (thin cables, weak battery,...)

@charlottedreyer5961

7 жыл бұрын

Hi Fritz,using a solid ATX power supply enough Amps, not sure about the cables,what would you suggest? When I do it manually via putty it works,but from arduino with code it reboots??

@fritzfahrmann4730

7 жыл бұрын

ATX power supply sounds totally fine. I looked the cables up awg18 or better should do the job (rated for 2A continuous) do you use level shifters? since what i remeber uart is 2.8 (i found no docs telling me the max or HIGH/LOW logic levels)