Home automation is using electronic systems to control appliances and other electrical systems within a house. Examples include automatic switching of lights, air conditioning, security locks and cooking / entertainment appliances.

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79 views

Microcontroller freezes (or doesn't) when plugged into different outlets in my home

I have an ARM development board (Marvell ARMADA XP CPU) and depending on which plug outlet I plug the system into, the system will freeze up after a few minutes or not. I found that plug outlets in ...
-4
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1answer
59 views

Microcontrollers [closed]

Is there any other way of interfacing a push button with a LED but not directly with the micro controller? I would like to operate the LED in both method(push button as well as micro controller ...
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0answers
34 views

How to use Mifare RC522 RFID card reader without mains power?

I want to make a simple home security system. I'd like to be able to have an RFID card reader near my door. All members of the family will swipe in and out, and when everyone is out, the web cams will ...
0
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2answers
76 views

Controlling AC mains using Arduino and removing control easily

I am planning to for an Arduino to read status of a switch, and accordingly switch on and off AC appliance, for a demo purpose. I want to add a feature to it of easy recovery to manual switch control. ...
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2answers
85 views

Is it possible to control many microcontrollers using a single microcontroller/microprocessor? [closed]

I am presently working on Home Automation Projects, having no of home appliances. I would like to know the ways that I can control many micro-controllers using a central ...
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0answers
62 views

How to power an arduino controlled thermostat

I'm slowly working on my home automation system which is controlled from a central Raspberry Pi. My current project is to control the thermostat / heating from the Pi based on time, temp, occupancy ...
2
votes
1answer
92 views

What is a typical light bulb screw temperature? Is it safe to put a microcontroller there?

I'm working on a small engineering project that involves putting a microcontroller inside a screw of a light bulb and I need to find what are the typical heat outputs of 60W bulbs and strong (like ...
2
votes
3answers
148 views

How do Wi-Fi controlled light switches feed themselves?

There are smart light switches in the market that are Wi-Fi controlled like Plumlife (formerly ube) and Belkin WeMo. I wonder how they control the electricity that they operate on. When I unplug my ...
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4answers
221 views

How do I get a digital signal from a switch?

I want to essentially drive a relay using a switch. For eg: If the switch (AC Voltage : 220v, 50Hz) is switched on, it sends a digital signal to the relay to switch off.
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2answers
116 views

Is it possible to have an universal RF receiver and transmitter (Wifi / Bluetooth)

First of I should make clear that I'm not an engineer. My friends who are helping me with this project are. But me.. well lets just say I know the basics. Problem I have to be honest, it's a first ...
0
votes
1answer
110 views

Failsafe for home automation with Raspberry Pi

I have a Raspberry Pi driving a home automation system. I have connected a bunch of lights to the network. The GPIOs of the Pi connect to a relay board that switch the lights on and off. What I need ...
2
votes
1answer
233 views

How can I control a 120v, 1amp fan with a Nest thermostat?

I have a fan (hot, neutral, ground) that requires 120V and uses 1amp max. I'd like to be able to control this with a thermostat so that the fan turns on when the temperature is above a certain set ...
0
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1answer
80 views

Alternative to Linear Actuators or Linear Actuators with small load limit and 70cm movement [closed]

Are there any Alternative to Linear Actuators which are not as expensive ? OR Linear Actuators with small load limit (about 20Kg) and 70cm movement ? Thanks and sorry if this was posted in ...
0
votes
1answer
62 views

How to modify this DTMF Controlled Home Automation System?

I am planning to set up Home Automation System to my reading room using DTMF Technology. For that, I have searched different websites and found a post - DTMF Based Home Automation System Circuit. ...
0
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0answers
150 views

Arduino & Niko Home Control

I would like to know if anyone has been able to take control over 'Niko Home Control' with Arduino? I Googled, but can't find much on this topic. Is it even possible? I guess it's not really ...
1
vote
1answer
134 views

How do external circuits in light switching units (such as Lightwave RF) use the mains wiring for power?

LightwaveRF is a simple switching unit that contains additional circuitry to enable automatic wireless switching. The additional circuit is powered by the mains light switching circuit. This is my ...
2
votes
3answers
128 views

Best way to detect when I'm home

I'm working on a home automation setup and I'm trying to find the best way for the system to know when I'm home. A motion sensor won't work because my wife or my dogs may be home when I'm not. The two ...
1
vote
1answer
101 views

DC voltage for houses

I'm wondering something. It's purely theoretical. Let's say I'm in home automation etc and I've got lots of little modules, for examples to control lights, access codes, doors locks, etc... All these ...
2
votes
1answer
530 views

Arduino Hangs when Connected to 220V Supply [closed]

Product Used - 12V 4 in 1 Relay Board (got it from eBay), Arduino Duemilanove, Ethernet Shield. AIM - Control my Room Lights with Arduino. (Home Automation) My Connection - Arduino is connected to ...
0
votes
1answer
93 views

Components necessary to automate hand crank

I'd like to automate a simple crank on a rotating hex bolt thingy so I don't have to manually turn the lever/knob. I was planning on bluetooth module -> Arduino (or some easily programmable MC) -> ...
0
votes
2answers
315 views

Adjustable 555 timer off duty delay

What I want to do is have a circuit with a 555 timer (which is what I have available) that works the opposite of what a monostable circuit should do—well, kind of. What I mean is, on a regular ...
3
votes
1answer
153 views

Home automation protocols to use for wifi

I am trying to zero in on which home automation protocol to use for my embedded device. I have a wireless module which connects to a router. So the protocol has to operate over wifi. I know I will not ...
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3answers
7k views

Control the lights both with wall switch and arduino

I am starting to build new house and want to add some home automation features, for now, turning lights and sockets on and off. i bought arduino mega, ethernet shield, current sensors to see if the ...
3
votes
3answers
721 views

Reverse engeneering a home automation RF 315Mhz transimtter

I have this remote control and transmitter and I want to reverse engineer the 2 RF signals sent by the transmitter. This is the board. The board says "ak-rk01se". I can also open up the transmitter ...
0
votes
1answer
64 views

Development Board Choice [closed]

I've been working with the ATmega328 microcontroller for some time, with great success, but recently my projects have gone beyond the edge of its capabilities. I thought of switching to ATmega2560 but ...
4
votes
1answer
266 views

Android Home Automation

I'm trying to do home automation using android app and arduino teleduino. Basically, I'll be doing lights and power plugs. I still cant post images so here' the link to the diagram I saw and will be ...
10
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1answer
3k views

Any obvious problems with this DIY home automation?

I'd like to know if anyone can spot any serious electrical issues in what I'm trying to do from an electrical viewpoint. Youtube Demo http://www.youtube.com/watch?v=BmsdXMbd2vo Short version: I ...
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votes
1answer
1k views

Home automation appliances wired to micro controller with wireless control from ipad/iphone [closed]

I'm currently going to start developing a media controller for my room. This microcontroller would be controlled wirelessly from my ipad. so there's three parts to this, my ipad, simple ...
2
votes
1answer
467 views

Thermostat Connections with Arduino

I want to control my home thermostat using an Arduino microcontroller. From what I've heard, it is pretty straightforward as the Arduino can be powered through the 24V that is coming to the thermostat ...
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2answers
135 views

Suitable components for logic control [closed]

Having never worked with electrical components, ignorance of the most elementary sort is holding me back. I'm looking for suitable components for logic control of DIY home automation equipment. I've ...
3
votes
2answers
844 views

Choosing relay to operate water pump

Based on my research so far, I've concluded that a relatively low-cost, yet reasonably reliable way to control operation (on/off) a motorized water pump, is a well spec'd EM-relay with flyback diode. ...
4
votes
3answers
2k views

Water level detection, where water is somewhat polluted and has significant dissolved salts

Found this excellent QnA here which provides several options for measuring or detection water-level. For my case, it is enough to differentiate 4 levels of water (very low, low, middle, full), of the ...
2
votes
2answers
2k views

1-wire verses CAN-bus for home sensing network?

I'm trying to put together a home automation solution for my newly built house. I'm very new to this, specifically for hardware matters and asking this question to verify if my understanding of what ...
4
votes
2answers
2k views

Home Automation using Arduino and Android

I have been doing home automation for my home using Arduino and Android. I have been able to control the device through WiFi successfully. Here is the scenario. Since all the appliance that I ...
0
votes
1answer
925 views

Xbee series 2 - router or end device firmware?

I am using multiple XBee Series 2 nodes in my home automation setup, however, I seem to be seeing unusual delays in packet delivery (around 1 or 2s). I have a single coordinator module and multiple ...
2
votes
1answer
372 views

Simple AC line state detection for digital controller input

Last year I moved into a house that has an old ('50s-'70s vintage) GE low voltage lighting control system. It uses 24VAC momentary wall switches to toggle solenoid/latch relays that feed 12 main ...
2
votes
2answers
7k views

Can a home security system be built with an arduino? (40 sensors maximum, usb interface to pc)

Considering these requirements: 40 modules or sensors (one movement/presence sensor or one windows/door open/closed sensor) read state (boolean, or 0/1) of all modules as fast as possible (once per ...
2
votes
1answer
7k views

How to set up a PLC for hobby home automation project? [closed]

I want to use PLC to do security, temperature and light controls. I took case in PLC, but I don't have real world experience to set up a PLC system. Since I do not want to spend too much (less than ...
4
votes
3answers
2k views

Using electric motor to adjust blinds?

So I'm trying to do some insane home DIY with my room blinds. I'm trying to make them adjust (go up and down) automatically. Now for this, obviously, I will need a motor. The blinds I'm working ...
3
votes
1answer
3k views

How to hack a body scale to be used as digital weight measure

I am looking for help with hacking a typical digital (body) weighing scale to use in a custom application. Is there some internal digital or analog output in body scales to directly get the measured ...
-2
votes
2answers
333 views

computer controlled thermostat

I would like to find an easy way to control a thermostat via a microcontroller or computer. Ideally, it would be a normal looking thermostat with digital display that could be controlled via RS-232 ...
29
votes
9answers
16k views

What sensor to choose to track human presence indoors?

This is a hobby project about home automation. The idea is that of distributed system of cheap microcontrollers that take measurements, communicate, output data and control appliances. One important ...
1
vote
1answer
97 views

I need help with project ideas that include the construction of an AD converter and…?

Disclaimer: Somewhat homework related. I apologize if this question is not challenging enough or not considered productive, but I need some direction for my final lab project. My partner and I decided ...
0
votes
2answers
1k views

Wireless light switch [closed]

Problem: I want to try to assemble a circuit that would turn a light bulb (230V) on and off, controlled remotely by a PC. Ideally, the control will be over WiFi, next in line is Bluetooth and least ...
2
votes
1answer
2k views

12V relay circuit, converted to 5V relay, under uC control

Few questions about a little Home-Automation project I am trying. Below is the schematic which I found in an article, slightly modified to suit the parts I have in hand -- Original had, ...
3
votes
1answer
2k views

arduino rf communication: beginner

I would like to implement a home-automation system on my arduino. For this project I would like to communicate with the different devices by radio frequency. So that would be different 433 mhz ...
5
votes
3answers
931 views

Home automation protocols in Europe

Which protocols are used in Europe? I'm more interested in "higher layer" protocols (e.g. light bulb control) than with the physical layer, but those will be welcome too. Does the KNX standard have ...
8
votes
6answers
13k views

Arduino Home Light Dimming

The drywall is just starting to go up in my family’s basement project. I’ve been looking into residential light control systems. Some of the ones I’ve seen have been an upwards of $2,000. I’m thinking ...
5
votes
3answers
572 views

Home automation Controller/server needed

I'm looking for a device that allows me to supervise an existing BTicino home alarm system. The system can communicate via RS-232 (or USB) interface using an open protocol, Openwebnet. I need to be ...
2
votes
1answer
1k views

ISO Example Home HVAC Control Schematics and Circuit Design Info

I am currently interested in determining how a home thermostat controls a home HVAC unit. I have run into plenty of schematics that can control a HVAC window unit, walk in freezer, water temperature, ...