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Hey fellas! It's been long since our last blog...but worry not! Here I'm back again with something new to try this time around. This blog will let you know how to interface a 1.8 inches SPI TFT with arduino. The task may get a bit tricky if someone just starts without taking a few things in consideration. So here we go! Now what's with this "SPI" term? Why not just a TFT? Well, that's because like you all must have known, there are 2 modes of transferring data, SERIAL & PARALLEL. When there are separate multiple data buses for data transfer, that's a Parallel Data Bus TFT or more generally known as a normal TFT. These types of displays will have a comparatively large no. of pins to connect (quite obvious), as 8 or 16 pins are for data bus alone and then the other ones too. They generally take up all the space on an UNO or even may require a shield as well. When there is a single data bus to transfer all the data, all the data is streamlined in a series...

Arduino is very popular and easy to use. With Arduino, we can do lot's of projects and experiment. So today we add one more projects in our Arduino project list. In this article, we are going to make a digital voltmeter.using an Arduino board. In this project, we measure the input voltage range between 0 to 50V by using the voltage divider. It is very simple to use Arduino as a voltmeter. Arduino UNO has  5 analog pin to read the input analog value. If we have an idea about reference voltage then we can easily measure the input voltage. Here we will use 5V as a reference voltage. Block Diagram Block Diagram of DC Voltmeter Component Required  1 * Arduino Board(In this article we use Arduino UNO) 1 * LCD Module(Here we will use 16 * 2 LCD Module) 1 * 100K Resistor  1* 10K Resistor 1 * 5K Potentiometer Some jumper wires Breadboard  Circuit Diagram Circuit diagram of this projects is very simple and easy to understand. Here we use a 16 * 2 LCD module to display the...

We are living in the world where everything goes to be automatic from your washing machine to your ceiling fan. Street lights are one of those examples of the automatic world. Automatic street light are those light which needs no manual operation to gets turn ON and turn OFF. Did you ever try to make such kind of street lights that gets turn ON and turns OFF automatically? In this article, we are going to make automatic street light using LDR and 555 timer IC. List of Components   555 Timer IC LDR LED Potentiometer Resistor 1* 1k ohm  Resistor 1* 220 ohm 9V Battery Printed Circuit Board(PCB) Or BreadBoard  Circuit Diagram A very simple circuit diagram of automatic street light is given below.  Automatic Street Light Controller Circuit Principle and Working of Automatic Street Light Controller 555 Timer IC is the main part of the circuit that works as a comparator. All the working of this circuit depends on the working of the 555 timers Ic.To know more about 555 time...

We all know about the ultrasonic sensor and also wanted to play with it, but don't know how ultrasonic sensor works. So In this article, we will see  how to use an ultrasonic sensor with your projects. The ultrasonic sensor is very popular among arduino hobbyist and there are so many projects which you will be able to do at the end of this article. Description of HC-SR04 Ultrasonic Sensor Ultrasonic Senso r can measure the distance from 1" to 13 feet( 1 cm to up to 4metre) with accuracy up to 3mm. A hc-sr04 ultrasonic sensor has 4 pin GND, VCC, Echo and Trigger Pin. Trig pin generate an ultrasound by setting trig pin on the high state of 10 microseconds. Echo pin produce an output in a microsecond when ultrasound returns back from the object to echo pin. We can calculate the distance by using simple formula Speed=(Distance/Time). The speed of the sound is 340m/s and thus by calculating ultrasound travel time we can calculate the object distance from the ultrasonic sensor. Requ...

In many small or large industry, you may have seen such a lot of fan that speed is control according to the temperature of the place. Thus, during this article, we have presented a demo of that application. It's assumed that you have an idea of  how to read reading from the temperature sensor IC . In industry temperature range will be more than 100  o C   but here we will work on the very low range. Block diagram of Temperature control FAN Block Diagram Required Components  Arduino UNO board (buy from here arduino ) Temperature sensor IC LM35( buy from here LM35 sensor ) DC Fan resistor 1* 1K 16*2 LCD Display Power supply   Diode(1N4007)  Circuit Diagram  In this application, we use an arduino board to control the speed of the fan and a 16*2 LCD display to display the status of the fan. Here we use a diode in parallel with FAN to prevent it from the damage and a 9V battery to provide power to the fan. Circuit Diagram Code Again like our previous proj...

Do you ever tried to control your robot using your PC or laptop? Controlling a robot using PC or laptop is often being a fun for the student or hobbyist. Thus during this article you will be tend to learn how to control your robot using your PC or laptop. Here it is assumed that you know  How To Send Serial Data From Arduino To Laptop or PC  and  How To Receive and Send Serial Data Using Arduino Board . Thus lets begin to making this awesome DIY hack today with us. Replica of robot Component Required: Arduino UNO Board PC/Laptop L293D Motor Driver IC 2 Motor Serial Bluetooth Module 2 wheels Chassis Castor wheel Software (serial port software on your PC/laptop)  Click here to see more projects on Arduino Block Diagram: Block Diagram Setup Connection For Robot: Circuit Diagram Here we use a L293D motor driver IC which is used for the controlling the rotation of the two motor connected to robot. Pin no 2,7,10,15 of L293D motor driver IC is connected to the pin no 9...

Electronics & Communication(ECE) engineering play a vital role in our daily life. The engineering student is showing a lot of interest in this branch. Within the final year of engineering each student should complete their engineering project with innovative ideas. They need to use their all four-year knowledge on its project. There are so many choices for ECE student for his or her final year projects comes like  within the field of embedded, robotics, solar energy, security system etc. For there purpose here is listed a large number of projects ideas for ECE student. These are collect from numerous sources. If you are interested then you will select any one of below listed projects: 1: Password-Based Circuit Breaker 2: Intensity Control Based Street Light 3: Digital Tachometer  4: Solar Battery charger Circuit 5: Bidirectional Visiting counter 6: RFID Based Attendance System  7: Electrical Load control using PC 8: GSM Controlled Robot 9: GSM Based Security S...