Pls can someone help me i buy Fingerprint Sensor Arduino but seller send me other with 7 pins and i have arduino nano how to get him involved
ty man but I have another connector https://ibb.co/FKLCvhH
Ask the seller.
Or post link to data sheet of your sensor. Just by looking at it can't tell what goes where.
Reset 5V? GND (R)eceice (T)ransmit 3V3 LAPorWAP?
Id try connect Ucc ,Gnd and T/N to Analog input. Let code graph, full speed to serial.