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Questions tagged [home-automation]

For questions about using an Arduino to automate a home environment. For general home automation questions that aren't about Arduino, ask at Internet of Things Stack Exchange instead.

1
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5answers
69 views

Fan regulator control from Arduino

I'm trying to control my ~230 V fan from the Arduino. Can anyone say the best possible ways to design a fan regulator that can be controlled by the Arduino using a low cost design.
0
votes
0answers
25 views

GSM and LCD functions don't work together

I'm trying to create a system that allows me to water my plants and turn on the LED strips through SMS. I'm also displaying data from the sensors on an LCD. Both of these things work separately. When ...
-1
votes
1answer
53 views

RFID Door Lock Coding Errors [closed]

I am trying to recreate an RFID door lock that I saw on the Arduino project hub but have ran into several issues. I had to manipulate the code slightly to make sure it was including the correct ...
0
votes
2answers
2k views

Ethernet nodemcu

I have a question that might be a #noob question but I am wondering if there is a board similar to the nodemcu in size that runs arduino code but instead can use ethernet to connect to the network ...
0
votes
2answers
111 views

Can I control a Arduino from an apache server? [closed]

So I have a PC running a few services for my house. I'm trying to automate my home a little and would like to control various things in my house. Is it possible to control an Arduino from my HTML ...
-2
votes
1answer
265 views

void loop is only run once why?it can recive only off signal? [duplicate]

int L1=12; void setup() { Serial.begin(9600); pinMode(L1,OUTPUT); } void loop() { char receive=Serial.read(); if(Serial.available()>0){ receive = Serial.read(); } { if(receive =='...
1
vote
1answer
932 views

MQTT over serial

I'm planning to build a 32 relay IOT node next to my Raspberry Pi. The relays will be controlled by an Arduino Mega 2560. The Pi will run Home Assistant and Mosquitto so I would prefer to communicate ...
0
votes
0answers
267 views

Error when moving stepper motor - Alexa curtain opener

I've hit a wall with my code and keep getting a Panic error like this: Panic /Users/lewisaburrow/Library/Arduino15/packages/esp8266/hardware/esp8266/2.3.0/cores/esp8266/core_esp8266_main.cpp:98 ...
0
votes
1answer
226 views

How to protect link/url form ESP-12E for controlling LED

I am using ESP8266 ESP-12E NodeMCU for controlling LEDs and Relay. When ESP-12e power on it connect into my home wifi network and it gives IP address such as 192.168.0.104, and by that I can control ...
-1
votes
1answer
46 views

How do I turn lights on & off manually along with home automation? [closed]

Need some help regarding HomeAutomation I was doing my room automate via Arduino with the help of relay , but a little problem I am facing,that when I switched on the light via relay then I cannot ...
0
votes
2answers
55 views

Unclear GET request mixed values

In my Uno code, I access to a page in my server and retrieve that value and make decision upon that value. I get this kind of response, Connected to server on on off off on off [WiFiEsp] TIMEOUT: ...
1
vote
1answer
2k views

ESP8266: Client Server Based Home Automation System

I am working on a home automation project in which I am trying to use Star Topology, where one esp8266 acts as a server and can be accessed from web browser to receive commands from the user, while ...
0
votes
1answer
727 views

Controlling ceiling fan speed using Arduino [closed]

Reference: https://arduino.stackexchange.com/a/12000/37585 Based on this post, if I want to control a 120V AC ceiling fan with an Arduino, there's a complicated bit of electronics that needs to be ...
0
votes
2answers
45 views

Make arduino board controler for watering system with power bank

I am trying to build an off-grid automatic watering system, and I was thinking of many options and the most reliable one that I found is to use a power bank which is charged by a solar panel. So, I ...
2
votes
1answer
243 views

Arduino and big servo

My dad told me, if i can mount some servo (to control 4 way ventil of heating) to his arduino-controlled home. But there is a problem... The servo does not have a normal 3 cables but 6 and I have no ...
4
votes
4answers
515 views

home automation - What's a compact way to control a light switch with Arduino without interacting with high voltage?

To be clear, this question is not about physically wiring into the light switch to control the lights - simply pressing on the switch from the outside. I apologize in advance if my electrical ...
1
vote
1answer
426 views

Controlling amplifier using remote control jack

Many older amplifiers support wired remote control through connector jacks or ports. My 10-year old Marantz also supports this function, using a simple RCA connector. Originally these were used with ...
0
votes
3answers
71 views

What is the worst time case for Arduino Mega?

I'm going to implement home automation using an Arduino Mega with 8*6=48 channels relay in my new home. I have prepared an Android app for an HC-05 Bluetooth controller. How much time can I keep ...
1
vote
0answers
267 views

How to operate multiple relay boards using a single RF Remote?

I am working on a Home Automation Project using RF technology. I have to operate more than one switch board or let say more than one relay board, using a single RF remote. Is it possible? And if yes, ...
0
votes
1answer
1k views

Can I connect to a DALI network as a master node using an Arduino?

I have googled a lot, and mostly every website you can link me I have already explored, some are outdated and don't work, others aren't clear in their documentation, and use equipment too expensive to ...
1
vote
2answers
1k views

code for automatic door

I want it running as a normal automatic door so both sensors work as a separate activate. The only problem I've seen is that the servo remains active waiting for another high read and you can hear the ...
2
votes
3answers
929 views

Powering a 12v lock with batteries, via WiFi, and with low energy consumption

I'm a complete newbie in anything related to electronics, software or hardware; yet with a couple of friends we're going ahead with an interesting project related to automation through wireless ...
0
votes
1answer
53 views

Connection of Seeeduino GPRS with relay module [closed]

Good day. I'm working on home automation. I'm now at the implementation stage, where I want to assemble all the materials I need to use. The materials are: Seeeduino GPRS (Arduino Leonardo), relay ...
0
votes
2answers
187 views

Water measuring

After recent flooding of my apartment (pipe burst) I got an idea of automatic water flow watch. I would like to measure or just watch if water flows on main water intake. Arduino will know at what ...
1
vote
1answer
776 views

How to check if all pins are connected on my board to make sure Arduino sends the correct pattern number on my tool

What to add on this code to check my pins state during run? And how can i trigger error using Visual basic when 1 of my pin is disconnected? String input = ""; void setup(){ Serial.begin(9600); // ...
1
vote
2answers
673 views

Hardware network-infrastructure for a fully-arduino-based home-automation project

As already mentioned in another question, I'm spending LOT of time planning the home-automation system for my new house (currently still in the "still building" phase). Even if started only as a "...
0
votes
2answers
68 views

Machine installed with arduino suddenly turns on when usb is unplugged

Why is my machine suddenly turns ON when I unplugged the USB on my computer? Does it have connection on the auto reset feature of my arduino board? String input = ""; void setup(){ Serial.begin(...
-2
votes
1answer
1k views

What isthe best programming language for embedded systems? [closed]

I would start to learn the best programming language for embedded systems to control devices. What I have heard about that is Assembly Language. I want to know if there is any better languages to code ...
2
votes
3answers
1k views

Link to an project for remotely turning off light switch?

I want to build a contraption using an arduino that allows me to turn off my light from across the room. I plan to use a solenoid to move the lights switch up and down. I'm sure I'll have some ...
3
votes
3answers
1k views

Communication between two Bluetooth modules of two Arduinos

I am designing a home automation project. I want to control different home appliances through GSM. I am designing it in such a way that each apparatus is connected to an Arduino and bluetooth module. ...
3
votes
1answer
868 views

Accuracy of liquid level measurement using sonar sensor

Is it a good way to measure liquid level in a water tank using a general purpose sonar sensor? How can echoes from the tank walls affect measurement accuracy? I have a cylinder shaped horizontal 700L ...
1
vote
1answer
861 views

A/C doesn't detect IR codes sent from Arduino

I have an IR receiver and an IR LED I got from a kit (I don't have the datasheets for them). I uploaded an Arduino sketch to record my A/Cs IR codes. Those were NEC encoded 32bit integers. After ...
5
votes
5answers
24k views

How to remember variable values after rebooting an Arduino Uno R3 board?

Is there any way to store the values of necessary variables somewhere (may be in a file that gets updated by the program at various events), which can be read back when program starts after rebooting ...
0
votes
1answer
653 views

Control external device using Java Web Servlet -> Pi -> Arduino -> Device

I'm new to the world of Arduino & PI, so far it's been a fantastic experience but I'm now looking to build something a bit more practical. My plan is for the PI to host a JSP Servlet website. I'...