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SFM-V1.7 Fingerprint Driver for ESP32-Arduino

  • Provides support for "SFM-V1.7" Fingerprint module.

  • See examples and source code for more detailed information.

Notice

  • If your MCU's GPIO port can't provide heavy current, I suggest connecting the SFM_VCC (Fingerprint VCC, green wire) directly to the 3.3V VIN without controlling the touch recognition part's power state, which does make a little bit more power consumption.

  • The module works at 3.3V electricity level, which means connecting it directly to the 5V GPIO port may result in malfunction and/or circuit damage.