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Cellphone Controlled Dog Feeder Circuit

A GSM module and Arduino based dog feeder circuit is discussed in this post. The system can be used for operating a dog feeder mechanism through the owner’s cellphone whenever it may be required. The idea was requested by Mr. Allan Guillermo through one of his comments Introduction Although all domestic animal species are lovable, … Read moreCellphone Controlled Dog Feeder Circuit

Learning Basic Arduino Programming – Tutorial for the Newcomers

LED with Arduino

In this tutorial we learn how to do basic Arduino programming through example codes and sample programs. This tutorial can be an extremely valuable course for all the newcomers who wish to grasp the basics through easy, understandable language. Introduction According to wikipedia a microcontroller is equivalent to a mini computer built inside a single … Read moreLearning Basic Arduino Programming – Tutorial for the Newcomers

Weighing Scale Project Using Load Cell

In this post we are going to learn about strain gauge based load cell. We will be exploring what Strain Gauge is, what Load Cell is, temperature effect on strain gauge, temperature compensation with Wheatstone bridge and Load cell amplifier HX711, and finally we will learn how to build an Arduino based weighing scale machine … Read moreWeighing Scale Project Using Load Cell

Introduction to I2C LCD Adapter Module

In this post we are going take a look at “I2C” or “IIC” or “I square C” based LCD adapter module, which will reduce wire connections between Arduino and LCD display to just 2 wires, also saving tons of GPIO pins for other sensors / drives etc. Before we discuss about I2C LCD adapter module, … Read moreIntroduction to I2C LCD Adapter Module

How to Make a RFID based Attendance System

In this post we are going to construct a RFID based attendance system, which can record attendance of 12 students / staffs for a given time window and this system can record up to 255 attendances per person. What is RFID Attendance System We don’t need any introduction regarding the RFID based attendance system, it … Read moreHow to Make a RFID based Attendance System

Microprocessor based Automatic School/College Bell System

In this post we are going to construct an automatic school bell/college bell system using Arduino, 16 x 2 display and real time clock module. You can program this project to ring the bell up to 16 times a day at your preferred hour and minute. The length of the bell ring can be programmed … Read moreMicroprocessor based Automatic School/College Bell System

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