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Digital Frequency Meter Using Arduino

Shibendu Mahata, HOD - EE, Dr. B.C. Roy Engineering College
This article describes the implementation of a digital frequency meter using Arduino Uno to determine the sinusoidal frequency signal in the range of 20Hz...

Dual Audio Level Shifter and Buffer for ADCs, MCU Kits and Arduino

Petre Petrov, Assistant Professor, Technical University of Sofia
Many single-ended analogue signals do not have DC components or appropriate DC offsets. Due to that, these require very high input resistance for analogue-to-digital...

Make Your Own Arduino based RFID Door Lock

EFY Bureau
In this tutorial, the presenter will be giving you a tutorial on radio-frequency identification (RFID), how it works and how to make an Arduino...

6 Awesome Free eBooks On Arduino

EFY Bureau
This interesting collection of Arduino ebooks which help everyone from newbies to pros. These free ebooks will not only help you get started but...

Arduino-Controlled 12V Battery Charger

fayazhassan
The Automatic Battery Charger circuit presented here can automatically charge a 12V, 7Ah battery, or above. Special features of the charger are as follows....

Simple Self Stabilization System Using Arduino

Ashwini Sinha
Thanks to the invention of camera gimbals/stabilizers, we are now able to capture videos smoothly and easily. You will find plenty of different types...

Humidity And Temperature Monitoring Using Arduino With The IoT

EFY Bureau
Using the Internet of Things (IoT) in homes and industries it is possible to control any electrical or electronic equipment. Moreover, you can get...

RFID Based Access Control Using Arduino

EFY Bureau
This RFID Based Access Control System is built around Arduino UNO board, RFID reader module, solenoid lock and a few other components. RFID is a...

Smart Home Security System With Automatic Phone Calling System Using Arduino With The IoT

Ashwini Sinha
CCTV (closed-circuit television) camera systems are installed to protect your home and shops from burglary and break-ins. But with our busy lives, it is...

Arduino Projects: Fingerprint Door Unlock System

EFY Bureau
This simple fingerprint door unlock project using Arduino can be very useful for door security, forensics, crime investigation, personal identification, attendance system and much...
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