We are not sure what the problem is, because in two subsequent attempts the same issue has taken place. When we plug it in, the sensor blinks once, implying that it is working. We uploaded the blank sketch and then connected the sensor as directed. We are using Arduino Mega ADK (also tried it with an Uno). On the subsequent attempt, no communication took place at all after the "Open Device Successful" dialogue was shown, but hardware info was not received. When it was connected and the COMM port selected in the software, we received the blue success message "Open Device Success" and also the device statistics in the bottom left corner.īut, when we tried to enroll the fingerprint, the backlight would not light up, implying that there was no communication taking places between the sensor and the computer. ![]() The basic idea is to make the fingerprint sensor to act like a switch which it could toggle on and off an LED. ![]() This time, however, the sensor did not even work properly with the SFG Demo V2 software. The system comprises of five different modules which includes the fingerprint capture, fingerprint processing (enrollment or authentication), pattern matching, microcontroller, GSM modem and. Open the SFGdemo software then start enrolling users finger. ![]() However, we seem to be facing the same problem with the sensor as before. A few days back received a replacement shipping of the fingerprint sensor from Adafruit.
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