I am using Nodemcu V3 and FPM10A fingerprint sensor. and when I press the reset button on the ESP8266 the fingerprint sensor is not found. Pleasedd help me guyss. I'm so frustrated. wiring : GND = GND VCC = 3,3V RX = D5 TX = D6 the code i use : #include "Adafruit_Fingerprint.h" #include "Soft…

Why esp8266 can't be connected to the fpm10A fingerprint sensor

sapiens12434 October 8, 2021, 12:53pm 3

when I use i2c and LCD 20 x 04 , VCC = 5V, GND = GND, SDA = D5 SCL = D6, everything works fine

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