Use Finger Print Sensor R-307 with ESP32

HI,
In this video we see how to Use Finger Print Sensor R-307 with ESP32.
The code is written in Arduino IDE.
To see the code Please visit the blogpost
techknowsurf.blogspot.com/202...

[@baguette2504]

topper !!!

[@septianawijayantos.kommta3976]

Bro, can you back up the registered fingerprint data and then restore it to the new sensor?

[@_4l3x_]

[@infinitygamer4867]

Bro i need your help

[@heoheo7353]

I use Esp8266 but when connecting to Fingerprint Sensor R-307, it says no fingerprint found. I have correctly installed 3V, ground, TX seconds into RX and vice versa, please help me

[@adtechknow2761]

Hi, Connect 5V not 3v.Thanks!.Plz refer R-307 schematic shown in the video.

[@sivasankarr9481]

Bro can you send the source code please

[@adtechknow2761]

Please visit this blog post for the code:techknowsurf.blogspot.com/2023/03/What-is-Fingerprint-Sensor%20R%20307.html
Thanks!

[@vishalneware7350]

Did not find fingerprint sensor even though connections are proper

[@zuesgamer1394]

yes even mee