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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Making a light switch timer?

I'd like to have a light switch that turns on for at most 1 hour. My idea is to put a USB charger (110AC -> 5DC) + arduino + relay inside the wall. When the switch is turned on, it will turn the ...
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0answers
31 views

BeagleBone Black wirelessly control a Relay Board

I'm a beginner in the field of Electronics. I'm trying to make a project where Beaglebone is used to control relays to operate a lamp, based on the output from a proximity sensor. The circuit works ...
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1answer
91 views

Can anyone explain me this circuit?

I am trying to make a laser trip alarm circuit and found one on Electro-schematics.com,attached it the receiver circuit.I cann't understand the use of the relay(RL1) as there is a switch already ...
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5answers
146 views

How to design a AC current detection switch?

I am working on a home automation system and I need to detect if a appliance is getting power or not. Basically, I need a AC current detection switch which can be mounted on a power line and sends a ...
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3answers
112 views

Hardware for IP Camera Project

I intend building a custom IP camera for home use, project goals are: Videos are stored remotely in real time (storage somewhere else in home or cloud server) Live steaming from internet Video data ...
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1answer
29 views

How to connect Onion Omega relay board to AC110V Electric Solenoid Valve

I am a electronics newbie who wants to connect a Onion Omega to a AC110 V Electric Solenoid Valve (such as this one for example) with their Relay extension board. Do I need any ...
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1answer
118 views

Programming Intel i3 like RPi [closed]

I am building a fairly large home automation system comprising of cameras and other sensors. I experimented with a Raspberry Pi, but it simply wasn't able to handle the load. Therefore I want to know ...
4
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2answers
584 views

What does the circuit look like to switch two lights using two switches into four different states?

At my workplace there's a room with two entrances, each featuring a push button light switch, A and B. There are two ceiling mounted lights, 1 and 2. Switch A switches both lights on/off. Funny ...
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1answer
70 views

RS-485 bus with PoE bus

I'm working on a home automation/security system (Only in my head at this point) and stumbled upon RS-485 transceivers. using RS-485 with PoE seems to be like a great idea to keep cords to a minimum. ...
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1answer
84 views

Home Automation

I'm thinking about automating the lighting system in my bathroom. I made up a 5V and 12V power supply from a transformer I salvaged from some old circuits. I need to turn on the lights when I'm going ...
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2answers
443 views

Jumper Setting Modes in PIR motion sensor

I was going through the data sheet of the PIR motion sensor when i saw this: So what i couldn't understand was the H and L trigger and how to change from H to L or L to H (like to do we have to ...
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1answer
62 views

Reversing a small synchronous gearmotor

it's been difficult to find the answer to this problem I have. My project is based on home automation. I need to control the direction of the rotation and if possible the torque of an AC synchronous ...
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1answer
194 views

315 MHz Reciever/Transmitter Raspberry Pi

I bought a receiver and transmitter (I can't find the link, but it says FS1000A and LR1 315.00 on it). I also have a set of remote controlled wall outlets that operate on 315MHz according to the FCC ...
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3answers
129 views

Splitting mains power into multiple relay-switched circuits

Summary Introduction My goal is to split a 1-gang mains power extension lead into three, have my Raspberry Pi plugged into one of the outputs, and have the Pi able to switch the other two outputs ...
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1answer
58 views

Atmel AVR - Integrated programmer onboard

I'm pretty new in microcontroller programming. But i wounder, I'm designing a circuit with Atmel ATUC256L3U, the cicuit is going to be used to home automation. The microcontroller is going to be ...
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3answers
290 views

Occupancy Sensor for Arduino

I working on a home (rather room) automation system using a Raspberry Pi as 'brain' and an Arduino as sensor board. I find it quite difficult to come up with a solution to reliably track if a person ...
2
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1answer
2k views

direct ZigBee communication with Philips Hue smart light bulbs

Philips Hue light bulbs use a Bridge(transmitter) to connect between your network and their smart lights via a ZigBee protocol called Light Link. Can you control the lights directly with your own ...
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1answer
79 views

Is amperage constant or relative to the device?

I have a pull chain ceiling light, very small. The pull chain mechanism broke. Instead of buying a new mechanism I decided to try and do some Arduino experiments. Prior to that though I need the ...
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1answer
78 views

Electromechanical or Semiconductor solutions to control chandeliers and homes stuff

I've been designing some wireless modules and finally got them to work and now I have a network of them and want to use them for home automation purposes. Controlling stuff like chandeliers, heating, ...
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1answer
59 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 ...
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2answers
101 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 ...
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1answer
61 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 ...
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1answer
127 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 ...
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0answers
135 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
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4answers
1k 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 ...
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2answers
414 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 ...
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2answers
763 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 ...
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1answer
99 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 ...
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2answers
330 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 ...
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2answers
106 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 ...
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4answers
7k 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 ...
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1answer
124 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 ...
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2answers
107 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 ...
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1answer
163 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 ...
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1answer
284 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 ...
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1answer
82 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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2answers
651 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
224 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 ...
2
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1answer
98 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
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3answers
1k 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
382 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
743 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 ...
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1answer
283 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
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2answers
1k 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 ...
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1answer
211 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
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1answer
263 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. ...
3
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2answers
1k 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 ...
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1answer
319 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
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4answers
203 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 ...
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1answer
110 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 ...