and using a while loop we will make a countdown of 9 seconds before the alarm is activated. Then the message “Alarm Activated” will appear and we will measure the initial distance from our alarm device to the objects opposite of it. ...
Arduino is an open source prototyping board which is made around ATmega328P; it has 14 GPIO (general purpose input output) pins, out of which 6 pins has capability to do analogue functions, all the 14 pins has the capability to digital functions. A USB 2.0 type B placed right corner of...
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Using the new RGB color sensor available at DFRobot, I rigged up a simple proximity alarm. I can use this to warn me if someone is in a close range of my Christmas tree putting presents under there. “Why not use a sonar sensor?” I hear you cry. Well, you easily could, but you...
In this project, we will go over how to integrate a keyboard with an arduino board so that the arduino can read the keys being pressed by a user. Keypads are used in all types of devices, including cell phones, fax machines, microwaves, ovens, door locks, etc. They're practically ever...
So that’s all! Lets get to circuit diagram! Make connections as shown. Make sure you connect Ground Pin of RFID reader to Ground Pin of Arduino. I am using the SoftwareSerial Library of Arduino which enables digital pins to be used in serial communication. I have used pin 9 as the Rx...
In this step-by-step tutorial, you'll discover how to use Arduino with Python to develop your own electronic projects. You'll learn how to set up circuits and write applications with the Firmata protocol. You'll control Arduino inputs and outputs and int
In this tutorial we will learn how to build an Arduino CNC foam cutting machine. This is a typical DIY CNC machine because it’s made out of simple and cheap materials, some 3D printed parts and it has an Arduino as a controller. ...
An application of using a microphone with an arduino is if you want to build some type of sound alarm circuit, in which sound triggers a circuit event such as flashing sirens or turning on a buzzer. For example, if you have a room that should be very quiet and someone breaks into it...
How To Do Daily Tasks with Arduino In this tutorial we’re going to show you how to perform daily tasks with the Arduino. We’re going to turn an LED on and off at a specific time of the day, everyday. You can then, easily modify the example provided to perform any other task....