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► ESP32 based Biometric Door Lock system using Fingerprint R307 Sensor and Blynk IoT► Circuit Diagram, Source code, & Guide: iotprojectsideas.com/esp32-based-biometric-door-lock-system-using-r307-fingerprint-sensor-blynk-iot/
wawoo~~~~it looks very great~~Thanks for your sharing~~. Could you share how to use the pcb software to layout pcb wiring??
how many fingerprints can be stored
► ESP32 based Biometric Door Lock system using Fingerprint R307 Sensor and Blynk IoT
► Circuit Diagram, Source code, & Guide: iotprojectsideas.com/esp32-based-biometric-door-lock-system-using-r307-fingerprint-sensor-blynk-iot/
wawoo~~~~it looks very great~~Thanks for your sharing~~. Could you share how to use the pcb software to layout pcb wiring??
how many fingerprints can be stored