IoT Based Biometric Fingerprint Attendance System with NodeMCU ESP8266

is it will work if power it with external power source

why does my ESP8266 not fit in my breadboard 😭

hello sir, can i have the compiling link of this biometric attendance systeme please ?

can i use ZA620 fingerprint sensor in place of R307?

u have written esp 8266 but you are using esp32????
and for this reason my code is not working and i mean not getting compiled

Where is the file link of biometric attendance?? Please someone help

hello sir ,
i am getting an error in confirmadding() function . and i dont know how to resolve it
can you please help me with this

sir, Do you have a library software serial link?

I am getting fetal error for ESP8366WiFi.h...... Please help

Control reaches end of non void function this error is occure every time please sir tell me what i do.pls replay me

Hello sir please share me correct program of iot based Biometric attendance system project

sir can u help me about this error :

Waiting for valid finger...

--------------- CUT HERE FOR EXCEPTION DECODER ---------------

Exception (29):
epc1=0x4020773f epc2=0x00000000 epc3=0x00000000 excvaddr=0x00000010 depc=0x00000000

>>>stack>>>

ctx: cont
sp: 3ffffd40 end: 3fffffd0 offset: 0150
3ffffe90: 3fffff84 3fffff00 3fffff30 402047c4
3ffffea0: 3ffe87e3 00000030 00000000 40204e2d
3ffffeb0: 00000000 40204f8a 00000020 4010129c
3ffffec0: 3ffee78c 00000000 00000028 3fff0068
3ffffed0: 3fff004c 3fffff00 00000000 40204fd8
3ffffee0: 00000000 3ffee78c ffffffff ffffffff
3ffffef0: 00000000 3ffee78c 3ffeeac8 40201286
3fffff00: 00000000 00000000 0000000a 00000000
3fffff10: 3f010000 3f001388 00000000 00000001
3fffff20: 00000000 00000000 3ffee798 00000000
3fffff30: 3fff0004 0031003f 80000000 00000000
3fffff40: 00000009 00000000 3fff03ac 0011001f
3fffff50: 80000000 00000000 00000000 00000000


Thank's bf.

We cant connect to localhost website. It shows error 404. Is their any issue with the server?

can any one guide iam usig figer print sensor r307 instead of r305 . r305 has four wire while r307 has 6 wires how I should connect with microcontroller

@How To Electronics I found Error Did not find fingerprint sensor.. Could you please help with this problem?

"You can't add more than one ID each time" help guys, need to solve this

It stops compiling on confirmAdding (); What's the solution

What type of connecting wires used in video...m to m or f to f

What's the programing language sir?

How to connect the fingerprint sensor to web app and database? Can you share the code?

How can I edit the visual look of the website? Means I edited the header.css, users.css, managelog.css and changed the color, font etc but when I relaunched the website it didn't change

Localhost website is not coming. Pls help

Bro does that attendance data was saving everyday.? Or it will get erases.?

how to manually add a log?

Fingerprint not found , After uploading the code to the nodeMCU , what could be the problem, but the fingerprint enrollment test was positive when tested with arduino board. please i need an urgent reply

Sir I found Error"Did not find fingerprint sensor".. Could you please help with this problem?

JavaScript me coding kr skte haihai

Hello Sir, Very Nice Project. Thanks for sharing. I have tested the project. It runs smoothly for One User. But when I going to enroll the 2nd User, It gives the message "You can add one ID at a time." on the webpage. Kindly suggest the solution for the same.

Any time I try to add a fingerprint it tells Id already exist what do I do?

how to fix the problem(did not find fingerprint sensor)??

how to fix the problem(did not find fingerprint sensor0??

how can i get the biometric attendance folder

God bless you!
Excellent in everything including voice.

Code is showing error massage when try to run.

No finger in the fingerprint sensor but error is delete the finger from the scanner? Please reply soon as possible

how to combine both enroll and fingerprint codes together ? so when a finger is not registred , it should register it and if it's already registred it should print its id ,
how to do that without any buttons

Hlo sir,which programming language used in writing this code can u please say me

Not working

Time waste project

Thank you very much sir 😍

Sir, why table users and user_log cant created

hi thank you for making awesome tutorial , kindly make on how to upload the system to the server because am facing some error it is not doing the timeout

Help me, I can't enroll finger ID.

What are the thinks we need to make this?

What is the coast of these components