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 to NodeMCU D2 & D1 pins respectively.

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 to NodeMCU ESP8266 12E Board. The I2C pins of OLED Display, i.e SDA & SCL is connected to NodeMCU D1 & D2 pins respectively.

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 a web-based interface powered by XAMPP, allowing …

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 ESP8266 Wi-Fi Module will collect the fingerprint data from the multiple users and sends it over the internet to a website.

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 Sensor. The ESP8266 Wi-Fi Module will collect the fingerprint data from the multiple users and sends it over the internet to a website.

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. The NodeMCU is a Wi-Fi module that will collect all fingerprint data from different users and send it over the internet to a website. the fingerprint enrolment is done on ...

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 cable; Breadboard; JM-101 Fingerprint module; JM-101 Fingerprint Module

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 with R305 Fingerprint module and an LCD display, and Google spreadsheet will be used to keep the attendance log for future references.

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' fingerprints, which are stored for verification during attendance sessions.