ESP8266 Monitor its Own Battery Level using Blynk IoT for Battery Powered Projects | Voltage sensor

In this project, we will build an IoT-based Projects in which ESP8266 Monitor its Own Battery Level using Blynk IoT Cloud.
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( Source code and required files )
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[@me1996do]

Good job 👏 ‏‪

[@satreaaji]

Not a bad idea, keep in mind, voltage dividers use resistors, and resistors will also drain the battery

[@TamirLimani.RepairPort]

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[@stilyanpaskov9846]

Just perfect to monitor my LiFePo4 battery packs

[@TamirLimani.RepairPort]

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[@sumitd4u]

Negative pin of voltage detection module not needed?

[@TamirLimani.RepairPort]

enough as i show

[@isarawut]

Hello, I have subscribed to the service.

[@isarawut]

thank you

[@kombanvr-fp5wd]

Thanks broo

[@neerajpandey6585]

great work , but i have a doubt there are some videos which says to connect 2 resistor in series apart from this circuit ?

[@TamirLimani.RepairPort]

It happens that way too. But if the connection is wrong, the microcontroller will fail.

[@hafizsaqiburrehman7789]

a very nice way to explain

[@TamirLimani.RepairPort]

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[@dilshaddil9294]

thanks a lot brooooooooooooooooooooooooooooo

[@Pawel-xg4tg]

Hi. Can i generate the URL endpoint to see these measurements on my own server?

[@Aziz-ot4cs]

Amazing

[@TamirLimani.RepairPort]

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[@SanRoSKR_3]

Thank u .

[@TamirLimani.RepairPort]

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[@churchilljc1231]

Hello , i have subscribed to the service

[@TamirLimani.RepairPort]

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[@faxfax362]

Your code would be ideal for my next project! Thank you if you can share it with me!

[@TamirLimani.RepairPort]

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[@thijsweiland]

Is it also possible to make the esp send me a notification when the voltage gets to low?

[@TamirLimani.RepairPort]

Yes

[@davidcromapix9083]

I am working on this project (2024-04), I need to know if the ACs712 DC sensor module can work? Thanks for sharing

[@TamirLimani.RepairPort]

Try

[@user-cv5xf3tc1l]

very interesting this will onblock me on the small project i have

[@devendraraju3276]

I'm looking for a similar project. I need to monitor Voltage levels when it is directly connected to power which has 220v, but when power goes off it will be running on inverter which will see a voltage drop. I need to record these voltage drops. Can I do this with the same voltage sensor ? or Do I does it require any additional setup ?

[@TamirLimani.RepairPort]

Hello, I can help you, but I don't understand exactly what you want. Do you want to measure 220 volts energy or do you want to measure DC Energies?

[@devendraraju3276]

@@TamirLimani.RepairPort I would like to monitor both the instances when my power supply goes off and when it switches to the inverter. It is essential for me to keep track of and document any voltage changes.

[@abdulkadharj6498]

Bro I want link

[@TamirLimani.RepairPort]

github.com/repairport/blynk/releases/download/files/voltmeter.new.blynk.zip

[@TamirLimani.RepairPort]

Thanks The link has been shared, make the download. After 12 hours the link will be removed.Easy work.

[@hanylex7451]

Hi, I have a problem with the input voltage, if I realistically let in 17V, it shows correctly, as soon as I let in above 19V, the indicator stops at 17V and does not show more, is there any way to solve this? I have the scale in my Blynk up to 24V. I am just concerned with monitoring the voltage from the solar panel, which is around 20V.

[@TamirLimani.RepairPort]

Hello, yes, since the esp8266 analog pin can withstand a maximum of 3.3 volts, you can measure up to a maximum of 17 volts. it is not possible to increase it with the voltage sensor we have. but you can safely increase this range with the method I added.
th-cam.com/video/4qfY8n8kRjE/w-d-xo.html

[@hanylex7451]

@@TamirLimani.RepairPort Thanks, but I downloaded the file and the code is identical for this basic version and there is no parts list needed to build circuit nr. 2

[@hanylex7451]

@@TamirLimani.RepairPort So I tried here before the link , and through your second video where the link is and again it downloads me from both links and shows the original files that are for the first wiring. I have tried both Firefox Mozilla and Chrome, it still downloads the original files.

[@TamirLimani.RepairPort]

@@hanylex7451 I don't quite understand, this is the file in the link I gave for the other video. if you want to measure high voltage you have to do it.
th-cam.com/video/4qfY8n8kRjE/w-d-xo.html

[@hanylex7451]

@@TamirLimani.RepairPort Yes, I want to do it according to the second video, but as I write, they are constantly identical files, as for this simpler version. I don't know the code for the Arduino, is it the same? Or is it different? I keep downloading the version for the simpler build/for lower voltage. I'm talking about the download for the second video.

[@user-fr7pw1gv7f]

Thank you

[@TamirLimani.RepairPort]

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[@haziqrzl4475]

nice project really helpfull

[@TamirLimani.RepairPort]

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[@sazlisaad1976]

Thanks for sharing

[@TamirLimani.RepairPort]

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[@youssifadam2645]

thanks

[@pradeeppinto1276]

good job
👍👍👍

[@TamirLimani.RepairPort]

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[@djimini2relaxsound518]

Super idde TOP

[@infostudy0262]

Thanks

[@TamirLimani.RepairPort]

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[@gothboiclique7873]

Very well done, bro!! May I request for your code, I will also try it for our program. 🙏

[@TamirLimani.RepairPort]

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[@bobl703]

How do we then power the esp8266 with the battery while also checking the voltage with the voltage sensor? As soon as I unplug the USB cable, there is no power to the esp8266 anymore.

[@TamirLimani.RepairPort]

You can power it via USB with an external powerbank.
Or you can take the voltage from the source you measured (if there is enough voltage in the source - the voltage should be above 5).

[@bobl703]

@@TamirLimani.RepairPort the power source is a 3.2 V battery. The battery powers the microprocessor just fine but when I connect it to the voltage sensor, then there is no power going to the microprocessor. I can’t use a USB cable or external power source because the device I am making needs to be battery powered and will be floating in my swimming pool.

[@TamirLimani.RepairPort]

@@bobl703 You need to raise the voltage a little more. Also, since the nodemcu is wi-fi enabled, it consumes a lot of energy and the battery will run out in a very short time.

[@bobl703]

@@TamirLimani.RepairPort ok thanks Tamir.

[@user-nb3xb9zj6c]

Teach to use with ESP32 please

[@legendne]

I'm already subscribe you.🥰

[@TamirLimani.RepairPort]

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[@TheSolbeach]

Nice Job 👍

[@TamirLimani.RepairPort]

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[@abhishekbhagat2839]

Informative video

[@TamirLimani.RepairPort]

Thanks

[@Fritz106]

nice!

[@TamirLimani.RepairPort]

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[@igorjunior5653]

good job🤘

[@TamirLimani.RepairPort]

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[@ns_creations6844]

Spr

[@yo-qd2oh]

Nice vid

[@300fajar]

very nice tutorial

[@TamirLimani.RepairPort]

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[@falihrby_]

I have already already subscribed

[@TamirLimani.RepairPort]

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[@XMAn-np1gn]

sehr gut

[@TamirLimani.RepairPort]

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[@marcelofabianzuccotti2616]

👍

[@TamirLimani.RepairPort]

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[@ardikasaputra3131]

hi, i just subscribed

[@TamirLimani.RepairPort]

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[@tennis5126]

how to adjust voltage multiplier?

[@TamirLimani.RepairPort]

It is possible to set it from the "float voltage caliber = 0.00; //" section in the 22nd place in the code or from the 42nd section.

[@nawo4805]

I've already did exactly as what you did bro but why when I'm checking the voltage of 1.5V battery, it keeps showing the voltage around 5V🙏😭

[@TamirLimani.RepairPort]

interesting problem is it only happens at low voltage

[@XMAn-np1gn]

You also need to calibrate

[@illusionproductionillusion812]

💎

[@TamirLimani.RepairPort]

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[@Anton-lh6si]

Hello, cool performance, could you share the source code? I want to check my battery remotely at home

[@TamirLimani.RepairPort]

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[@tlsrinath8090]

Great project 👏🏻, i have subscribed the link pls

[@TamirLimani.RepairPort]

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[@ahmadmahyudin6289]

Sir, the code can't be opened, can you help?

[@TamirLimani.RepairPort]

of course with pleasure. where are you stuck, download is not possible? I checked now the link is working. Can you try with another browser?

[@user-is9bh6xu1b]

good

[@TamirLimani.RepairPort]

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[@markoeiskirch5833]

DANKE

[@TamirLimani.RepairPort]

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[@0124akash]

Not accurate measurements sir ?
Battery 12.7v, display 12.7v
Battery 7.4V display is 6.9V
How to improve this problem sir am using ESP32 wroom with I2C 16*2 LCD.

[@TamirLimani.RepairPort]

hello, you can get the result you want by changing the code on line 35.

[@0124akash]

@@TamirLimani.RepairPort what changing, and where is code sir ?

[@jean-christophecasado5343]

hi good job

[@TamirLimani.RepairPort]

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[@fariszainuddin9842]

already subscribed and how do if find all those files

[@TamirLimani.RepairPort]

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[@AsyrfAsmt]

I HAVE SUBSCRIBE

[@TamirLimani.RepairPort]

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[@audidp6463]

finally found it

[@TamirLimani.RepairPort]

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[@josealbertovicentejobeto2555]

alimentação por bateria
​
64 / 5 000
I'm very interested in the battery power information.

[@TamirLimani.RepairPort]

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[@anolrac7747]

What are the libraries should be installed

[@TamirLimani.RepairPort]

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[@hohichannel9146]

Do you export battery-level data?

[@TamirLimani.RepairPort]

No

[@matthiash.454]

Cooles Projekt 👍🏼
Code and circuit diagram ❓

[@TamirLimani.RepairPort]

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[@arifkyar873]

Acs712 icin ornek kod var mi akim olcumu yaomak istiyorum.

[@TamirLimani.RepairPort]

Malesef

[@shiyamalans2148]

Subcribed sir

[@TamirLimani.RepairPort]

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[@shiyamalans2148]

Thank u ❤

[@shiyamalans2148]

Sir can we do with ESP 32 ??

[@TamirLimani.RepairPort]

It can happen if you make edits to the code.

[@djimini2relaxsound518]

kann ich auch 3 oder 4 Voltage Detector anschließen und 4 battery auf einmal überwachen ???

[@TamirLimani.RepairPort]

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[@djimini2relaxsound518]

@@TamirLimani.RepairPort Danke !

[@rullabcd]

Send link please, urgent.....Thanks nice video

[@TamirLimani.RepairPort]

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[@syahidtrikusuma8156]

Can you make a tutorial for 8 voltage sensors, sir?

[@TamirLimani.RepairPort]

My system also works for 8 volts. Can you explain in detail if you want something else?

[@syahidtrikusuma8156]

@@TamirLimani.RepairPort Do you have an Instagram account or something else? so I can explain my problem in detail

[@syahidtrikusuma8156]

@@TamirLimani.RepairPort I have eight 0-25v voltage sensors, one ESP8266 nodemcu, and several types of batteries. I want to make a monitoring system to directly detect several types of batteries using eight voltage sensors directly through arduino and blynk software. can you make a tutorial sir? or help me in more detail for my college project assignment.

[@TamirLimani.RepairPort]

@syahidtrikusuma8156 To use 8 voltage sensors, there must be 8 analog readout pins. Nodemcu has only 1. Also, if the voltage is greater than 17, again nodemcu will not be suitable.
You need to use esp32 to do what you want.
Why 8 voltage sensors?

[@syahidtrikusuma8156]

@@TamirLimani.RepairPort Sorry sir, I mean Arduino Mega 2560, can you make a tutorial for directly detecting 8 voltage sensors?

[@muhamadsyahmi9838]

can use esp32?

[@TamirLimani.RepairPort]

Yes. It is possible to use it by changing the library name in the code and connecting it to the esp32 analog pin.

[@ZulfadhliZulkapli]

hello, done subscribed

[@TamirLimani.RepairPort]

github.com/repairport/blynk/releases/download/files/voltmeter.new.blynk.zip

[@TamirLimani.RepairPort]

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[@ArasyaArs]

hello, i have subscribes, now how i can get the code? i need to try.. thank you

[@TamirLimani.RepairPort]

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[@luqmanhakim479]

how much voltage the sensor can stand

[@TamirLimani.RepairPort]

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[@anolrac7747]

How to verify the output in serial Monitor

[@TamirLimani.RepairPort]

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[@AriMatthias]

hello why is the voltage i acquired not accurate

[@TamirLimani.RepairPort]

Hello At what volts does the problem occur?

[@ahmetttt10]

pil sarj oluyorken % kaç sarj olduğunu ardinio ile görebilirmiyiz

[@TamirLimani.RepairPort]

Evet olur

[@ahmetttt10]

@@TamirLimani.RepairPort nasıl olucak peki, pilin kapasitesini verdiği voltajdan öğreniyoruz ancak sarj oluyorken daha yüksek bir akım veriliyor pilin sahip olduğundan nasıl öğreneceğiz

[@user-yp7mc5sh6k]

hi can you share the link for the project?

[@TamirLimani.RepairPort]

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[@masthumcomp357]

Saya pakai batrei 9volt tapi kok muncul nya 11volt di aplikasi blynk

[@TamirLimani.RepairPort]

You need to calibrate the code.
For this, you need to read the A0 pin and rearrange the code accordingly.

[@mendercnr38]

Multimetreyle 11.23 V ölçüyorum ama bu uygulamada 11.45 V gösteriyor. Kalibrasyonu hangi satırda ve nasıl yapmamız gerekiyor acaba?

[@TamirLimani.RepairPort]

35. satırda 15.8 yazan bir kısım var orada küçük değişiklikler yaparak kalibre edebilirsiniz 15.8'i daha aşağı düşürmeye çalışın.

[@mendercnr38]

Teşekkürler@@TamirLimani.RepairPort

[@mohammedojil4184]

can i have coding and files? already subscribe

[@TamirLimani.RepairPort]

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[@arijitmajumder478]

Thanks brother ❤, need the code

[@TamirLimani.RepairPort]

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[@arijitmajumder478]

​@@TamirLimani.RepairPortthank you brother ❤, it worked.

[@MTechOver9000]

hello bro, where can I get the code? thanks

[@TamirLimani.RepairPort]

The link has been shared, make the download. After 24 hours the link will be removed.Easy work.

[@MTechOver9000]

​@@TamirLimani.RepairPortthank you brother, good work!

[@TechnoEveryday]

Great 🎉🎉🎉
How to get the code?

[@TamirLimani.RepairPort]

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[@davidcromapix9083]

the code and the diagram do not exist the links

[@TamirLimani.RepairPort]

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[@workatforce]

link?

[@TamirLimani.RepairPort]

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[@velumurijayanth1065]

Please can you send the code and circuit diagram

[@TamirLimani.RepairPort]

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[@user-zi2oi6nz9z]

Hi, can I please have the code for this project

[@TamirLimani.RepairPort]

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[@mfa03__55]

Can you give me a code?

[@TamirLimani.RepairPort]

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[@CGSCOMPUTERSCCS]

Hi

[@TamirLimani.RepairPort]

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[@MuhammadZubair-mq9jy]

Please code link. I have subscribed to you

[@TamirLimani.RepairPort]

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[@Sa1Jho]

hello there would you mind that i can have some code that would be cool!

[@TamirLimani.RepairPort]

github.com/repairport/blynk/releases/download/files/voltmeter.new.blynk.zip

[@TamirLimani.RepairPort]

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[@user-nq5lz3vc9l]

Hello if I want the code in this video Can I request you?

[@TamirLimani.RepairPort]

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[@user-nq5lz3vc9l]

@@TamirLimani.RepairPort Thank you very much for the code. May I ask you something more? If I want to use it with ESP32, what do I need to change?

[@muhammadiqmalhaqeembinnaza7777]

where can i get the code?

[@TamirLimani.RepairPort]

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[@bobl703]

Why is the source code zipped in 2 files and both are over 100MB in size? Seems like a virus or malware. Can't you just give us the .ino file and circuit diagram file (image file)?

[@TamirLimani.RepairPort]

I uploaded only the code file for you, you can download it from the link below.
..................

[@bobl703]

@@TamirLimani.RepairPort Hi. I just went to that folder but there are no files in it.

[@TamirLimani.RepairPort]

@bobl703

[@bobl703]

@@TamirLimani.RepairPort Thank you, Tamir! I got it now.

[@user-zo6qy8qf1f]

Source code ?

[@TamirLimani.RepairPort]

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[@mendercnr38]

7.4 yada 14.8 Volt içinde çalışır mı bu sistem?

[@TamirLimani.RepairPort]

Evet çalışır 17 volta kadar ölçebilir.

[@mendercnr38]

Bunun için esp bağlantısını yaparken araya direnç atmak gerekir mi peki mesela 7.4 V test ederken

[@TamirLimani.RepairPort]

Hayır voltaj sensörü üzerinde direnç bulunmaktadır.

[@Fritz106]

where can i find the links?

[@TamirLimani.RepairPort]

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[@biaswrecked5634]

Hi, i subscribed can i use the code

[@TamirLimani.RepairPort]

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[@nexianne]

Code please

[@TamirLimani.RepairPort]

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[@sudhanshushekhar8900]

please provide the source code and files

[@sudhanshushekhar8900]

i can't find link

[@TamirLimani.RepairPort]

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[@pasinduthenuka9720]

You can send code

[@TamirLimani.RepairPort]

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[@savinduishan4416]

Can I get The code?

[@TamirLimani.RepairPort]

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[@Joshua-ez6cz]

Where do I get the codings?
😁

[@TamirLimani.RepairPort]

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[@Joshua-ez6cz]

I have already already subscribed😁

[@Joshua-ez6cz]

​@@TamirLimani.RepairPortSir, how to make this project but using ESP32?

[@TamirLimani.RepairPort]

The library in the code must be changed.
The pin number must be changed.
The esp32 package must be installed.
Select esp32 instead of esp8266 on the Blynk site.

[@Joshua-ez6cz]

@TamirLimani.RepairPort I have downloaded the ESP32 package, changed the pin number and the libraries, but when compiling on Arduino IDE, it says that the mapFloat is not compatible with ESP32. Why is that?

[@muhammadjamali5746]

Code bro??

[@TamirLimani.RepairPort]

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[@amirulahmad3447]

[@TamirLimani.RepairPort]

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[@amirulahmad3447]

do more share more
@@TamirLimani.RepairPort

[@sayedmisfar7266]

good job brother 👌👌
send the code

[@TamirLimani.RepairPort]

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[@ayushbhadani383]

please provide me the source code and libraries

[@TamirLimani.RepairPort]

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