Smart Phone Controlled Home Automation Using Arduino

Automation is the essence of today’s world. Automation can make our life easy and secure. There are many ways to obtain automation. Automation can be achieved by Wi-Fi, IR, GSM, Bluetooth and many other technologies. Previously we have covered many types of Home automations using different technologies like: DTMF Based Home Automation GSM Based Home Automation using Arduino PC Controlled Home Automation usi ...

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Build an 8-Bit Heart with MeowCAD

At some point, after you design your schematics and boards, you want to submit them to be fabricated. Whether you use MeowCAD or some other tool, the workflow is pretty similar. We live in a pretty amazing time where this can be done for reasonable cost with only a few weeks delay. Not even 5 years ago, this was a costly ordeal. Sometimes small electronics would order 500 boards at once and hope for the bes ...

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IoT IP camera teardown and getting root password

This post will describe how I inspected the IP traffic of a cheap pan/tilt IP camera. Then continued to open the camera up, connect to the serial console of the SoC; extracted the root password and logged in via telnet over the wireless interface. My goal was to have a look at the security of these very cheap IoT devices, and see how they could be improved. Let’s have a look at our victim: I present to you ...

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Arduino Radar System using Processing Android App and Ultrasonic Sensor

This is an interesting project in which we explore the power of an Arduino and Android to create a Surveillance device which uses Arduino and Ultra Sonic Sensor to broadcast the information to a mobile application (Android) using Bluetooth. Safety and Security has been our primary concern since ages. Installing a security camera that has night mode with tilt and pan option will burn a big hole on our pocket ...

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1.3V – 15.5V @ 2 Amps Power Supply

If you find my design interesting, you could make a small donation: http://paypal.me/RegisHsu This is a small size power supply with low cost and easy to make that only taking about 5 more hours. I was very happy with it and would share with you. Power Supply Specifications Input: 5v-16v/3A DC Output: 1.3V - 15.5V/2 Amps Step 1: Materials and Tools Here is a list of materials and tools I used for this proje ...

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DIY Speedometer using Arduino and Processing Android App

In this project we make a Cool Speedometer for bikes or any automotives by using Arduino which broadcast the speed using Bluetooth to an Android application that we created using Processing. The complete project is powered by an 18650 Lithium cell and hence highly portable along with your vehicle. To spice it up a bit more I have added the option of charging your mobile phone as it displays your speed. Yes, ...

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Arduino Based Vehicle Accident Alert System using GPS, GSM and Accelerometer

In our previous tutorials, we have learned about How to interface GPS module with Computer, how to build a Arduino GPS Clock and how to Track vehicle using GSM and GPS.  Here in this project, we are going to build a Arduino based vehicle accident alert system using GPS, GSM and accelerometer. Accelerometer detects the sudden change in the axes of vehicle and GSM module sends the alert message on your Mobile ...

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‘Soldering’ with a laser

Abstract Established and already commercialized energetic materials, such as those based on Ni/Al for joining, lack the adequate combination of high energy density and ductile reaction products. To join components, this combination is required for mechanically reliable bonds. In addition to the improvement of existing technologies, expansion into new fields of application can also be anticipated which trigg ...

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Virtual Reality using Arduino and Processing

This is a very interesting project in which we are going to learn how to implement virtual reality using Arduino and Processing. For most of us, the movie Iron man by Jon Favreau has always been an inspiration to build new things that will make our life easy and more fun. I have personally admired the Techs that are shown in the movie and have always wanted to build something similar to that. So, in this pr ...

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Improved Arduino Rotary Encoder Reading

Rotary encoders are great input devices for electronics projects - hopefully this Instructable will inspire and help you use one in your next project. Why write rotary encoder code? I wanted to use a low cost rotary encoder as an input mechanism for one of my upcoming projects and was initially bewildered by the code options available to take readings from the rotary encoder and determine how many "detents" ...

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Arduino based Bluetooth Biped Bob (Walking & Dancing Robot)

Welcome to another project in which we will build a small Robot which can walk and dance. The project aims in teaching you how to make small hobby robots using Arduino and how to program your Servo motors for such applications. At the end of the project you will be able to make this walking and dancing robot that takes command from an Android Mobile Phone to perform some pre-defined actions. You can also us ...

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Building a simple Circuit Probe

The Goals Sometimes you need to check one circuit and test some of its nodes. Usually a tester in voltage mode is a good solution, but it has a pair of problems. First, it measures about zero both when the node is driven at zero volts and when the node is floating (not driven at all). Second, it gives the information on the tester display, so you need to take the view from the circuit to the tester to check ...

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