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.

learn more… | top users | synonyms

1
vote
1answer
42 views

Home Generator Excess Electricity

I have a electric generator in my house which runs on petrol fuel and normally it takes 1 liter for running for 1 hour. It doesn't matter if I light up whole house or only single bulb when it runs for ...
0
votes
0answers
46 views

What is Best way to turn on/off ac load?

I want to design a controller for our home automation system. Currently we are using 5v 6A relays(230v) for turning load ON OFF for home use. There are some drawbacks with relays. There also other ...
-1
votes
2answers
76 views

Current sensing

I am a newbie trying to figure out how to sense current using MCU whenever there is a current flow in a power cable,I tried the aircore transformer bt its size is too big to include in my project, can ...
0
votes
1answer
27 views

Digital timer rated for incandescent load only — what would happen with a small motor load?

I have a small digital timer designed to replace a wall switch. As such, it runs on the 120VAC mains and has only a hot and a ground in (plus a switched hot out). Because it works without its own ...
0
votes
1answer
97 views

How to modify existing circuit to additionally control it from outside by raspberry?

I found a great circuit for light home automation: circuitdb.com, but I would like it to be more than a momentary light switch bricked up in the wall.I would like to control it by raspberry or ...
0
votes
0answers
20 views

Current harmonics measurement for building automation and energy monitoring

I want to measure current ranging from 1mA to 30 A approximately. I want to use both shunt(low resistance current shunt) and rogowski coil. The shunt is for large currents and the rogowski coil is to ...
1
vote
0answers
77 views

Automatic Power Input Selection - Home Automation (mini)-Project

I live in a developing country where electricity is not available 24/7; however, to compensate for the power outage, I have 2 other incoming power lines from third-party generators. The thing is, ...
9
votes
4answers
889 views

Are relays reliable for long time use?

I am developing a home automation project in which I'm using relays to control appliances. I need to control devices with 220V and 6A rating. Should I use relays to control these appliances as a ...
0
votes
0answers
37 views

Controller/Actuator for cold weather

I am working on a project that uses a control algorithm run on a PC, output over serial to a microcontroller which in turn positions external venetian blinds (both tilt and lift) on a home for 8 ...
1
vote
2answers
200 views

Websockets for Embedded Application

I need to clear out my doubts regarding my Home Automation project. I am working on project based on IoT Home Automation project. There are three entities in this project: Web Server Embedded Client ...
1
vote
2answers
351 views

Device which will turn off my water motor automatically after the tanks are full

I have to build a system which automatically turns off my water motor after the tanks are full. I already have build up a system which lights up a bulb and an electric bell and tells me that the tanks ...
0
votes
1answer
66 views

Multimeter reports voltage but no power?

I have an Insteon FilterLinc, which is an electrical line filter. It doesn't work. When I connect a lamp to the "filtered" outlet, I get no power. So I stuck multimeter probes into the filtered outlet ...
1
vote
2answers
177 views

How does this electronic wall switch work with only a 2 wire circuit.

This is an RF wall switch but it uses only LIVE + LOAD1 cables like in the wall lamp switch (2 wires wall switch, load and live) If you short LIVE and LOAD the lamp turns on LIVE ...
0
votes
0answers
162 views

Using Z Wave for home control with FHEM

I have been looking for some time into doing some Home Automation. I have been looking first at the FHEM project, but I had been blocked by the fact that to create it I need a USB dongle with the ...
0
votes
2answers
71 views

Soldering my own CUL sender/receiver

I have been thinking of starting a new home project: I want to automatize some stuff at my home, starting with the heating. To do this I looked at the FHEM project. All looks pretty good and ...
5
votes
4answers
3k views

Wireless Home Automation 2.4GHz versus 433MHz [closed]

Project specifications To make some things clear first(wow that sounds so arrogant): This is an Arduino project This is supposed to be internationally applicable I have experience with 433 MHz ...
1
vote
1answer
86 views

Detecting device/bulb/socket state without using ACS217

I am planning to do home automation using Arduino. It includes a manual switch and can be also controlled by Arduino. My problem is I want know the status of the bulb/device or socket. Recently I ...
0
votes
2answers
96 views

Miniaturizing home automation help? [Novice]

Right now I am doing a home automation project and I want to create two things. The first is a device that looks like this but has the capability to also be controlled over wifi using Arduino. I know ...
1
vote
1answer
114 views

How to “push buttons” on voltage ladder?

I have a quite simple task I can't wrap my head around. I have an old home 5.1 sound system with optical input that plays sounds from my media center. Its remote broke, and while I tried to fix it, I ...
2
votes
1answer
250 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
votes
1answer
75 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 ...
0
votes
0answers
154 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
votes
2answers
450 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. ...
-1
votes
2answers
133 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 ...
0
votes
0answers
144 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
97 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
750 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 ...
0
votes
4answers
318 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.
1
vote
2answers
394 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
214 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
931 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
votes
1answer
115 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
189 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. ...
2
votes
2answers
608 views

Controlling Niko Home Control

I would like to know if anyone has been able to take control over 'Niko Home Control' with a PC or microcontroller (arduino)? I Googled, but can't find much on this topic. Is it even possible? I ...
1
vote
1answer
247 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
4answers
184 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
108 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
911 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
135 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
687 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
209 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 ...
3
votes
3answers
14k 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
1k 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
81 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
386 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 ...
12
votes
1answer
6k 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 ...
-2
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
643 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 ...
1
vote
2answers
147 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
1k 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. ...