The first program every programmer learns consists in writing enough code to make their code show the sentence "Hello World!" on a screen. The blinking LED is the "Hello World!" of physical computing.
There are actually two types of RGB led’s; the common cathode one and the common anode one.We are going to use the common cathode RGB led. You cannot distinguish between them because both look same.
The design of the PIR Motion Sensor using Arduino is very simple. The PIR Sensor Module has three pins: VCC, Digital Out and GND. Connect VCC and GND to +5V and GND respectively.
This is a multipurpose infrared sensor which can be used for color detection.The sensor provides a digital as well as analog output. An on board LED is used to indicate the presence of an object.
This project is a simple project which can be use as a thermometer. It can sense the temperature it is put around and transmit it to degrees Celsius. It consists of very little parts which is cheap and reliable.
If you are planning on assembling your new robot friend, you will eventually want to learn about controlling DC motors. One of the easiest and inexpensive way to control DC motors is to interface L293D Motor Driver IC with Arduino.
We are using Arduino Uno as our board and LM35 can be connected to arduino, then go on to add a 16×2 LCD display with LM35 and Arduino – and lets display the temperature values on this LCD display.
We are using Arduino Uno as our board and LM35 can be connected to arduino, then go on to add a 16×2 LCD display with LM35 and Arduino and connect a buzzer as well so that it can notify when temperatuare is above 40° centigrade.
The HC-SR04 ultrasonic sensor uses SONAR to determine the distance of an object just like the bats do. It offers excellent non-contact range detection with high accuracy and stable readings in an easy-to-use package from 2 cm to 400 cm or 1” to 13 feet.
In this project we are building a decorating light using leds. We will use for loop for iteration through all the leds instead of writing it mannualy. This is one of the simplest but maybe complex looking project which can be done with few lines of code
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