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Password Protected BT136 Triac based Keypad Controlled Wireless Home Automation System with ATmega32 using 433MHz RF-I

In this project, we will learn How to design a Password Protected BT136 Triac based Keypad Controlled Wireless Home Appliances System with AVR ATmega32 microcontroller using 433MHz RF Part-I. Here, we will use the 4X4 keypad as the input device to enter the password and to control the appliances i.e 2 bulbs and 2 fans. Also, we will display the status of each appliance in the 16X2 alphanumeric LCD. The pass ...

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Updating electricity meter to communicate via WLAN

A while ago Farnell sent email to me and offered one (inexpensive) product  as a sample in exchange for mentioning it at this blog. I browsed for a while for an interesting part and settled with Microchip MRF24WB0MA/RM WiFi module (Order code 1823142). This module is quite inexpensive and is used in products like WiShield and thus has good Arduino support. [caption id="attachment_35267" align="aligncenter" ...

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Automatic Staircase Light

We all know that one of the places where power wastage happens most in homes and offices is at staircases. We usually turn on light at stairs and leave it in a hurry. In this project we are going to design a stair case lamp which works on battery and only turn on the lights only when someone is present at there. This circuit can be used to save power and it can be used as an emergency backup light. [caption ...

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Atmega168 TV-B-Gone

Yes, I know what you are thinking: "oh no, please not another TVBGone..." Anyway, this instructable is for the newbies as me which are still experimenting with Arduino, and prefer to program an Atmega168 in Arduino than an AtTyny85 with other methods. This circuit is based on Mitch Altman's TVBGone and on Ken Shirriff's blog where the software has been modified to match Arduino IC. I then decided to move th ...

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Remote controlled switch using Atmega 328p

Ever dreamt of controlling an appliance like a CFL or a fan at your finger tips and thinking for a cheap solution? Well, then you are looking at the right instructable!! This instructable will provide you with a cheap and best possible solution to control your switch operated appliances through an existing IR remote using a simple electronic circuit which uses an Atmega-328 microcontroller. Step 1: Things y ...

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DTMF Controlled Home Automation System Circuit

Generally, appliances used in our home are controlled with the help of switches. These days, you can see automation of these appliances using many technologies. This article presents the controlling of home appliances using DTMF technology. DTMF is acronym for Dual Tone Multi Frequency. So, just think when you make call for customer care, they will ask you to press 1, 2 or any other number. When you press a ...

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Microwave Controller using ATmega8 – AVR Project

Pause Function You can press STOP/Clear button during countdown phase to pause the timer and to switch of the associated relay of selected function (microwave or grill). This will enable you to open the door of oven and have a look at the food being cooked. During this, a PAUSED! message will be displayed on the LCD. Once you are done with your inspections you can close the door and press the START button. ...

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