All Questions

For temperature control I have a AVM FRITZ!DECT 301 Intelligent Radiator. Currently, interacting with it with the FRITZ Box system feels burdensome and it would be great if I could if I could switch ...

I would like to monitor my physical mailbox so I can know when something is inserted in it. The reason is this was an abandonned mailbox for years so people are used to put the junk mails in it (...

I'm not great in electronics but would love to play with micro controller and connecting sensors to it. In my mind, it would mean loading specific micro controller details on that tool (like, say, the ...

I'm looking for a UL-certified WiFi wall switch for programming network effects in Python. UL-certified Wall-mounted Mains-powered 2+ physical switches Python-programmable. I want to program some ...

I've created this automation for a device with 3 settings. Pressing some button (or triggered by something else) activates a trigger that will execute an actionGroup (arbitrary commands grouped ...

I need to imagine a setup - hardware and software - to remotely use a sampler. Like this one, for example : https://en.wikipedia.org/wiki/Akai_S3000XL I've asked this question on the Signal processing ...

I would like to replace this with a smart, Wi-Fi enabled device (Zigbee could be OK as well) that I could also command from Home Assistant. I would absolutely like to retain the capacity to switch ...

What I am trying to achieve is that I have an Arduino base which periodically uploads data to AWS IoT-Core. But I am looking for a way to store that data and make it accessible to my web application ...

To give some background, I created a WiFi IoT device using ESP 11E/F. I was doing basic stabilization using capacitors and resistors, and although some chips mostly were working okay, some chips (~50%)...

I'm building a LoRaWAN GPS Logger using the Arduino LMIC Library. I've got a running solution which reads GPS coordinates and transmits them via LoRaWAN to TTN. For activation, I'm using OTAA. On TTN, ...

I'm new to IoT. I'm trying to connect more than one device to relay and control via ESP board(tested with esp8266 and esp32), I'm using mqtt connecton for signaling. So here's whats happening If I ...

I recently got a wifi switches with the Tuya WR4 WiFi chip. I want to know: Has anyone had success flashing with tasmota? Can it be replaced with an esp01?

I am are trying to use a sim800L module to connect an esp32 running Arduino to AWS MQTT. I need to connect and publish and subscribe to topics. I am doing this successfully via wifi. Not via the ...

Where I live, it gets hot in the summer (but usually not so hot that I need AC on), but the nights usually cool down to a beautifully cool temperature. I like to open windows when it gets cooler ...

Summary I would like to build (ideally based on ESPHome) a device with a buzzer I can trigger remotely via the network. Context I have several systems built around my home automation system: Home ...

I push my sensor readings from product A, B, C, D to an online cloud provider. Then my customer (call him E) needs to access all these sensor readings and make a dashboard for his customer X, Y Z. ...

Pls how do I get the length of the following GET request GET /data/2.5/weather?q=San%20Francisco,us HTTP/1.1\r\nHost: api.openweathermap.org\r\n\r\n\r\n GET /api/weather/insert.php?temp=74.6&him=...

We are a lighting service contractor that installs and maintains lighting systems and controls. I would like to be able to offer a system that can monitor light levels using a proprietary web portal ...

I am searching for a way to make my home "smart". I have raspberry pi 4 and pixel 2 phone. I thought that it would be cool to make my dumb devices "smart" and control them via ...

I have a house alarm which will apply 12v to an output when an intrusion is detected. I'm looking for a simple device that will take this 12v as an input to trigger an event which I can then use ...

Strange problem when trying to interact with an AWS IoT thing using the mosquitto CLI clients: mosquitto_pub works as I can see the incoming message in the AWS IoT Test console. mosquitto_sub works ...

I have read through a few blogs and watched videos of setting up the R3. What I have accomplished to date is the following: Paired the R3 with ewelink cell app. I can turn it on and off from the app. ...

So far, I've been able to use a python script with the paho library to subscribe to a topic, and to write a single incoming message into a file. In this way, I've been able to send text files and ...

I’m new with MQTT, I have a mosquitto MQTT broker on a Raspberry Pi. I have some topics from a client in this format /topic/lighton can be true or false. In other hand I can invoke some topics like /...

I am trying to get the Oauth to work with ecobee thermostat. I could get to the point where I get the user to the Oauth page, however, on clicking the "Accept" button, it takes me to https://...

Are there any KNX gateways that work with Apple HomeKit? I'm currently using the BAB Technologie EIBPORT V3 and have to speak to it via CUBEVISION 2 which works very poorly. I would love to find a way ...

I am trying to store certain text in SC Card memory, but the SD Card save the last line or it does not work at all I'm working with ESP32 microcontroller this is my code #include <SPI.h> ...

I want to build up a rc car on my own which I can connect/steer via an app - either smartphone or computer. Not decided, yet. I also want to use multiple cars, each for a friend so let's say in the ...

Until now I have been using Google Play Music to play music that I own from my Google Home devices. I can upload my music content to Google Play Music and then play specific songs, albums or artists &...

I am creating a "digital dashboard", consisting of a TV and a Raspberry Pi 3B+. The TV just shows calendar, time, weather, etc.. In the tutorial I am following for that, the creator uses a ...

I dug out my ancient mainboard Fez Hydra and am trying to use to do my hobby project. Upon reading the instruction, I found that it requires to install VS 2013. I have VS 2019 installed already and I ...

Found from the bottom of my gadget box, I am trying to use this board for my hobby project, but I cannot even remember what model it is. Could anyone help please to identify the model of this board? ...

I have just bought this model of floor lamp: https://www.maisonsdumonde.com/ES/es/p/lampara-con-tripode-de-metal-negro-alt-180-making-of-165180.htm As you can see, there's a glass in front of where ...

I have been reading about the UUID on the HM-10 and multiple sources say that "The main part of the user UUID service (FFE0) and the main part of the custom characteristic can be changed using ...

I am trying to send messages from my arduino to my raspberry pi. But I don't understand why the pi isn't receiving the messages. On the arduino side Im using an arduino UNO with a Dragino Lora/GPS ...

For an assignment for uni I need to find consumer products using uC/OS by Micrium (currently Sillicon Labs). Can't find anything that's not from their customer stories. I think it should be in Xerox ...

I want to be able to program my ESP32 (same for ESP8266) remotely, I have used ArduinoOTA without problems, and I can upload the file into the ESP selecting the local file that I want to flash. ...

Recently I am working on programming IoT Project, to receive messages from the phone. That part worked, but the problem that I am currently facing is that the message does not arrive fully because of ...

I have a question regarding mqtt-paho and the possibility to create 10K clients using multiprocessing based process. This is my code for now (Im using multi-processing based process to create threads):...

Arduino: 1.8.13 (Windows 10), Board: "Generic ESP8266 Module, 80 MHz, Flash, Legacy (new can return nullptr), All SSL ciphers (most compatible), dtr (aka nodemcu), 26 MHz, 40MHz, DOUT (compatible)...

Mosquitto MQTT Some known facts whilst working with mosquitto: mosquitto is a Command-Line Interface based broker. Broker configuration is possible using mosquitto.conf file User Management is ...

I'm trying to send a status message in JSON format, to a Google sheet using IFTTT and WebHook. IFTTT recipe works OK while posting values to all of its 3 cells to Google sheet (String and char ...

I'm building a medical device with NFC capability. This medical device can be connected to a mobile phone/tablet over Bluetooth and operated by an App. During the pairing process, the App asks the ...

I was asked to implement a system for collecting data from a sound sensor. I have no idea where to start so I'm asking for some guidelines since IoT is completely new to me. The place where the data ...

I am using eclipse-mosquitto:1.6.9 and would like to remap incoming messages to topic /registration_app to /$share/registration_app. In this case IoT devices will be publishing registration messages ...

I'm looking for a way to wirelessly transmit data to smartphone app. I have a small temperature sensor which will be embedded into a metal structure and will constantly monitor temperature when the ...

I recently used an IP-camera to monitor my garden. Now I want to expand with various sensors and a microphone module. Therefore I would use an Raspberry, the camera for the Pi and an USB microphone. ...

I connect my Ikea Tradfri to a router. All three lights are on, but the App can't found the gateway. I use an IP scanner on my Mac, and I can't found Gateway. The app suggested that if I am sure that ...

Background: I am trying to work with two ESP8266 nodes using the painless mesh. Until now the painless mesh worked fine. At next level i made one of the node as bridge or root node. My intention here ...

With many IoT devices connecting to the internet to store information on large databases, I was wondering how they received data from those databases. For example, if I have a smart thermostat that I ...