Arduino Project: RFID & GSM based student Attendance Alert message to parents “MFRC522 +SIM900A” 

Sir same setup fingerprint me kaise karenge

Think you for this project

How to change cared detailes ?

I have i2c with lcd and it has SDA and SCL Pins Where to Connect them with Arduino Please...

Great video on RFID.

Why is the GSM Sim900A not texting or sending SMS? I have followed everything step by step and still the GSM won't send sms to my recipients number.

Want to add lcd with I2C

thank you very much.

Sir i do not understand the void sendsms function. I change the uid's and replace it with my tags' uid and also change the number of the father, and the 2 students, uploaded the codes but the sms fucntion did not work. Please help

nice video , I want to start sms based system for sale in schools please. help with full details

Sir i want to enter a student in school and out from school program

Good day sir, i would like to ask if the program would still work with SIM800L GPRS GSM Module? Or even SIM 800L EVB Module?

Hi sir Electronic i have question about my GSM module my module can't blinking a network light but the the power light is blinking what is the problem on my gsm module? you think my gsm module is broken? or not

nice

Will give my card one of my best class mate wolaaa

great work. but i couldnt send sms to my mobile and im using SIM800L. any help about the AT CODE.

Very nice and informative video. How many students can be accommodated by this system? Thank you...

I think biometric will be the best any way nice idea

can i ask for the source code??

may i replace sim 900a with sim 800l if yes what changes do i have to made in code plz help

Can we use sim800l instead of sim900a ?!

Sir i want to modify this project plz help me in coding..

Can we add dfplayer module to make it welcome talking machine?!

I need a laser based security system using gsm module can I get the details about that?

where do we edit the Card UID?

Could i use i2c lcd for this one?

sir can i use any kind of variable register?

I didnt get the sms from gsm module. Please help us.

where is the source code .? i cant see it

I cant understand the circuit of this project

800a work in this code or not

Please help

unregistered user sir! Please help.