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can I have the circuit diagram please

After sometime, 1-2 hrs the unit is going into deep sleep mode (not technically speaking) even though "ready to Scan..." keeps showing in the display but does not detect RFID card. Any help or reply will be beneficial for me. Thank you.

Hello again! I want to ask instead if there is a way so that the same RFID will not be scanned again after 1 minute and 30 seconds?

Hello! Can I ask if there is a way to not make it instantaneous but make it so where you need to wait for a button to be pressed for a scan (even multiple scans) to be put into the spreadsheet?

Very cool! I have a question, can I not make it instantaneous and make it so you need to press a button for it to send on the excel? Will the code change that much?

thank you

Can you help me with this error? There is no data showing at sheet logs In function 'String sendData(String, char*)': warning: 'bool BearSSL::WiFiClientSecure::verify(const char*, const char*)' is deprecated if (client.verify(fingerprint, domain)) { ^ warning: deprecated conversion from string constant to 'char*' [-Wwrite-strings] return sendData(result, "script.googleusercontent.com");

Hello sir, I have a problem in reading the card UID (It's actually reading but the reading is in the serial monitor) and if I tap any card or tag the buzzer keep making a sound. How can I fix this problem ??

@anyboards pls help me. Facing error in face recognition. Followed all the steps.

Thanks I really needed this😁

Thanks it works with me, but little bit harder to know your code for editing, and you should tidy up your code, btw this is the best tutorial I have ever found

Friend, what is the expiration date of this certificate? const char *root_ca = "-----BEGIN CERTIFICATE----- " \ "MIIFVzCCAz+gAwIBAgINAgPlk28xsBNJiGuiFzANBgkqhkiG9w0BAQwFADBHMQsw " \ "CQYDVQQGEwJVUzEiMCAGA1UEChMZR29vZ2xlIFRydXN0IFNlcnZpY2VzIExMQzEU " \ "MBIGA1UEAxMLR1RTIFJvb3QgUjEwHhcNMTYwNjIyMDAwMDAwWhcNMzYwNjIyMDAw " \ "MDAwWjBHMQswCQYDVQQGEwJVUzEiMCAGA1UEChMZR29vZ2xlIFRydXN0IFNlcnZp " \ "Y2VzIExMQzEUMBIGA1UEAxMLR1RTIFJvb3QgUjEwggIiMA0GCSqGSIb3DQEBAQUA " \ "A4ICDwAwggIKAoICAQC2EQKLHuOhd5s73L+UPreVp0A8of2C+X0yBoJx9vaMf/vo " \ "27xqLpeXo4xL+Sv2sfnOhB2x+cWX3u+58qPpvBKJXqeqUqv4IyfLpLGcY9vXmX7w " \ "Cl7raKb0xlpHDU0QM+NOsROjyBhsS+z8CZDfnWQpJSMHobTSPS5g4M/SCYe7zUjw " \ "TcLCeoiKu7rPWRnWr4+wB7CeMfGCwcDfLqZtbBkOtdh+JhpFAz2weaSUKK0Pfybl " \ "qAj+lug8aJRT7oM6iCsVlgmy4HqMLnXWnOunVmSPlk9orj2XwoSPwLxAwAtcvfaH " \ "szVsrBhQf4TgTM2S0yDpM7xSma8ytSmzJSq0SPly4cpk9+aCEI3oncKKiPo4Zor8 " \ "Y/kB+Xj9e1x3+naH+uzfsQ55lVe0vSbv1gHR6xYKu44LtcXFilWr06zqkUspzBmk " \ "MiVOKvFlRNACzqrOSbTqn3yDsEB750Orp2yjj32JgfpMpf/VjsPOS+C12LOORc92 " \ "wO1AK/1TD7Cn1TsNsYqiA94xrcx36m97PtbfkSIS5r762DL8EGMUUXLeXdYWk70p " \ "aDPvOmbsB4om3xPXV2V4J95eSRQAogB/mqghtqmxlbCluQ0WEdrHbEg8QOB+DVrN " \ "VjzRlwW5y0vtOUucxD/SVRNuJLDWcfr0wbrM7Rv1/oFB2ACYPTrIrnqYNxgFlQID " \ "AQABo0IwQDAOBgNVHQ8BAf8EBAMCAYYwDwYDVR0TAQH/BAUwAwEB/zAdBgNVHQ4E " \ "FgQU5K8rJnEaK0gnhS9SZizv8IkTcT4wDQYJKoZIhvcNAQEMBQADggIBAJ+qQibb " \ "C5u+/x6Wki4+omVKapi6Ist9wTrYggoGxval3sBOh2Z5ofmmWJyq+bXmYOfg6LEe " \ "QkEzCzc9zolwFcq1JKjPa7XSQCGYzyI0zzvFIoTgxQ6KfF2I5DUkzps+GlQebtuy " \ "h6f88/qBVRRiClmpIgUxPoLW7ttXNLwzldMXG+gnoot7TiYaelpkttGsN/H9oPM4 " \ "7HLwEXWdyzRSjeZ2axfG34arJ45JK3VmgRAhpuo+9K4l/3wV3s6MJT/KYnAK9y8J " \ "ZgfIPxz88NtFMN9iiMG1D53Dn0reWVlHxYciNuaCp+0KueIHoI17eko8cdLiA6Ef " \ "MgfdG+RCzgwARWGAtQsgWSl4vflVy2PFPEz0tv/bal8xa5meLMFrUKTX5hgUvYU/ " \ "Z6tGn6D/Qqc6f1zLXbBwHSs09dR2CQzreExZBfMzQsNhFRAbd03OIozUhfJFfbdT " \ "6u9AWpQKXCBfTkBdYiJ23//OYb2MI3jSNwLgjt7RETeJ9r/tSQdirpLsQBqvFAnZ " \ "0E6yove+7u7Y/9waLd64NnHi/Hm3lCXRSHNboTXns5lndcEZOitHTtNCjv0xyBZm " \ "2tIMPNuzjsmhDYAPexZ3FL//2wmUspO8IFgV6dtxQ/PeEMMA3KgqlbbC1j+Qa3bb " \ "bP6MvPJwNQzcmRk13NfIRmPVNnGuV/u3gm3c " \ "-----END CERTIFICATE----- " \ ;

My ESP32 is getting stuck after few attempts. Any ideas why? After reset is working again few times.

nonsense

can you make a diagram for this circuit?

Hi Guys on one mac i'm getting an error: In function 'String sendData(String, char*)': warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings] on other is working like a charm. Why? Help pls

Nice bro! But... WIN7???

How with 4 blok LED max

Sir WiFi name and Password konsa dalna hai?

Hello, I'm a student and Brazilian, I'm having problems trying to reproduce your code. The esp 32 is not concatenating the code, I've been trying to fix it for some time, but perhaps due to lack of knowledge, I'm not having success. Could we talk, so we can work it out?

Sound please

i am working on project now i have 1 month left for rfid finger validation code to expire so i want to update after next month what should i do

We ain't going to learn if we're just going to copy your code. 👎

Great job. Working for me on 10/Aug/2023!

I've tried using the source code and the project buat i can't connect between esp 32 and the datahsheet. Can you please guve us a hint where's the problem 😢😅

I'm having a problem with the arduino code in position client. setInsecure(); how to solve it?

plz share pin diagram. ASAP.

How to write the data on rfid card ??

Nice bro! Thx!!

what kind esp32 you use ?? esp32s ???

the sheet did not receive any data so how we can solve that we should update the certificate what we can do pls advice

Hello, great tutorial, what do I do for a new account in google sheets, I want to add new information in the list, for example, the customer's phone number

HI, can you help me in this!! iam getting this error while compiling << Compilation error: 'D4' was not declared in this scope>>>

Thank your for this tutorial, this is what what I need for my system .

pls reply bro i have project expo

C:\Users\sathwik reddy\OneDrive\Desktop\aurdino fid fid.ino:2:10: fatal error: MFRC522.h: No such file or directory 2 | #include <MFRC522.h> | ^~~~~~~~~~~ compilation terminated. exit status 1 Compilation error: MFRC522.h: No such file or directory i got error

I have connect with ifttt and send data automatically to Google sheet,but now I don't know how to make the notification?any help,please?

How could I modify this to use NFC cards and a reader plugged directly into my computer to run an attendance system?

Hi there, I connected everything accordingly but Arduino IDE error warning: "Communication failure, is the MFRC522 properly connected?" Keeps appearing, please help

hello sir sorry i got this error any idea on how to solve it 'class BearSSL::WiFiClientSecure' has no member named 'verify'

Card uid is not appearing on log google spreadsheet when RFID tag is shown. What can I do? Please suggest answer

can you make it again using esp32 ?

Hi is this procedure available even when the spreadsheet is not in use ?

i dont get it if the spreadsheet with UID and names are stored in different sheet then how the nodemcu able to detect the name?

Really usefull tutorial.. In my project,when a card is scanned,the location of cardholder will send to google sheet.here i want to add gps url along with rfid datas,how do i add another column in the google sheet for url ? Thanks in advance @anyboards

i would be happy if you could share your circuit connection diagram

awsome project and explanation love it

why is my spreadsheets doesnt have scrip editor

Has anyone recently (5.26.2022) had any success with this tutorial? I still have made no progress with getting the code to show up on google sheets. Not sure if this has to do with the recent update to google sheets as Ganesh G also recently mentioned. The ESP code works great and attempts to communicate with the google sheet but no data is transferred. Other than this current challenge, this tutorial was very well done and helpful. Any assistance or suggestions in resolving this challenge would be greatly appreciated.

that's really cool, thanks for the knowledge, good job sir