Fingerprint / Fingerprint sensor (OT3202)

fingerprint sensor is ideal to use for access security. Ideal to combine with an Arduino or ESP32 and a door lock solenoid, for example.
Type: Optical Interface: USB1.1/UART (TTL logic level) Resolution: 500 DPI Working current: ≤75 mA Voltage: DC 4.2-6.0V (or 3.3V) Fingerprint capacity: 1000 Dimension: 52 * 20 * 22 (mm) Image capture area: 15 * 11 (mm) Backlight: Blue Sensor life: 100 million times Static indications: 15KV Character file size: 256 bytes Template size: 512 bytes Security level: 5 (1,2,3,4,5 (highest)) Scanning speed: < 0.3 secondVerification speed: <0.2 secondCorresponding method: 1: NFRR (False rejection rate): ≤0.1%FAR (False acceptance rate): ≤0.0001%Operating environment Temperature: -20°C ---50°CRS232 communication baud rate: 9,600BPS~115,200BPS (Default at 6 = 57,600)
Connecting the fingerprint sensor:With the supplied connector, the connections are as follows.Red -> 5vBlack -> GNDYellow -> TXD -> pin D2Green -> RXD -> pin D3
NOTE: There may be some color differences. Therefore, always check the diagram below for connection

DimensionsLength: 5.2cmWidth: 2cmHeight: 2.2cm