door

KOBOL THE COMPANY BEHIND HELIOS64 NAS SYSTEM CALLS IT QUIT AND SHUT ITS DOORS

KOBOL, THE COMPANY BEHIND HELIOS64 NAS SYSTEM CALLS IT QUIT AND SHUT IT’S DOORS

Recent news reaching us is thatΒ Helios4Β andΒ Helios64Β manufacturer,Β Kobol,Β has decided to call it quits promising to only give its support to its customers when available. The three-man company behind the popular open-spec network-attached storage (NAS) devices made this announcement shortly after it returned from a two-month break which it took in April. Helios64Β network-attached storage system was first unveiled […]

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Block diagram of the system

Designing a Door Access Control System with Programmed AT89C52 Microcontroller

Abstract: Biometric door systems present limitations as they are unsuitable for widespread use due to hygiene concerns and accessibility issues for individuals with physical disabilities. To address these challenges, a novel approach was devised utilizing an AT89C52 microcontroller-based access door control system, integrating dual-factor authentication via password and smartcard. Unified Modeling Language was employed to

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Door Status Monitor using the ESP8266

Door Status Monitor using the ESP8266

In this projectΒ you’re going to monitor the status of aΒ door using anΒ ESP8266. The goal of this project isΒ to show the endless possibilities that thisΒ $4 WiFi module offers when integrates with a freeΒ platform that I’m about to show you. Before continue reading this project, please completeΒ the following tutorials or use them as a reference: How to

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Unlock a Door with your Fingerprin

Unlock a Door with your Fingerprint

We built a biometric fingerprint-controlled lock prototype. A fingerprint scanner is used to capture and store the fingerprints of authorized users. When the scanner recognizes a user, a solenoid plunger disengages and opens the lock.Parts List: The fingerprint scanner module is powered by an ARM Cortex M3 CPU, which controls the on-board optical sensor and

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