The above circuit diagram shows how an OLED Display & Fingerprint Sensor is interfaced with NodeMCU ESP8266 12E Board. The I2C pins of OLED Display, i.e SDA & SCL are connected …

Sep 21, 2019 · Circuit Diagram: Portable IoT based Fingerprint Biometric Attendance System. The following circuit diagram shows how an OLED Display & Fingerprint Sensor is interfaced …

This project is a biometric attendance system that utilizes the R307 fingerprint sensor and ESP8266 NodeMCU to register and track attendance using fingerprints. The system includes …

In this project, I will tell you how to build a Portable IoT based Fingerprint Biometric Attendance System using NodeMCU ESP8266, 0.96” OLED Display & R307 Fingerprint Sensor. The …

Apr 9, 2020 · In this project, I will tell you how to build a Portable IoT based Fingerprint Biometric Attendance System using NodeMCU ESP8266, 0.96” OLED Display & R307 Fingerprint …

Oct 12, 2023 · In this article, I will explain to you how to build an IoT-based Fingerprint biometric attendance system using NodeMCU(ESP8266).0.96” OLED Display,R-307 Fingerprint Sensor. …

Jan 12, 2022 · In this tutorial, I am going to show how you can use a JM-101 fingerprint optical sensor with ES8266 NodeMCU. Parts Required. ESP8266 NodeMCU v1.0; Micro-USB to USB …

Sep 11, 2019 · Here we are building an IoT based Biometric attendance system which can store the attendance records in Google sheet. An ESP8266 NodeMCU module will be interfaced …

This IoT based Smart Door Lock using Fingerprint Sensor and NodeMCU ESP8266, scans the fingerprint and unlock the solenoid lock attached with it.

Key hardware components include the NodeMCU ESP8266 Board, an R307 Fingerprint Sensor, a 0.9" I2C OLED display, and basic jumper wires. The system works by registering users' …