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
34 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
92 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
161 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
115 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
34 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 capacitors/transistor/...
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1answer
119 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
589 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
73 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
87 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
628 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
64 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
205 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
140 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
59 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
311 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
80 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
61 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
102 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
63 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
130 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 arduino....
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0answers
138 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, ...
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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
435 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
812 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
100 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
348 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 220V------[SWITCH]-...
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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
125 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
108 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
167 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
295 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
83 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
669 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
231 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 micro-controller/micro-...
2
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1answer
99 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 20W/...
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
390 views

How do I get a digital signal from a switch? [closed]

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
776 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
285 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
2k 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
220 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
264 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
324 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 ...