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20 views

What's the apropiate kind of diagram to map a controllable loop program?

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 ...
0
votes
1answer
20 views

wired remote control of old equipment

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 ...
1
vote
1answer
12 views

How to replace a on-the-wire switch by a smart device?

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 ...
1
vote
1answer
20 views

Best way to store the data received from aws iot core

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 ...
1
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0answers
29 views

Are Node MCU or Wemos D1 mini stable

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%)...
3
votes
1answer
32 views

Arduino LMIC: GPS Logger - old coordinates stuck in queue

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, ...
1
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0answers
28 views

Using more than one channel Relay with ESP boards starts fluctuations after 4-5 minutes

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 ...
1
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0answers
15 views

Tuya wifi switch with WR4 flashable or replaceable?

I recently got a wifi switches with the Tuya WR4 WiFi chip. I want to know: Has anyone had success flashing with tasmota? If it's not flashable, can it be replaced with an esp01?
0
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0answers
12 views

Connect an esp32 with AWS MQTT with SIM800L

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 ...
3
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0answers
17 views

Simple two-sensor digital thermometer with an alert when the temperatures match?

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 ...
1
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2answers
27 views

How to control an ESP8266 via the Wi-Fi?

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 ...
1
vote
1answer
25 views

IoT Dashboard for customers (data comes from Arduino)

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. ...
1
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0answers
24 views

Esp8266 unlinking very fast [closed]

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=...
1
vote
0answers
27 views

Ambient Light Sensor to monitor light levels in buildings for warranty post LED upgrade

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 ...
3
votes
1answer
88 views

Can Raspberry Pi be used instead of Google Nest as a hub to control my smart home via Google Assistant?

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 ...
0
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1answer
20 views

How can I use a 12v output to trigger IFTTT?

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 ...
1
vote
1answer
25 views

Using mosquitto_pub WITH mosquitto_sub on AWS IoT thing is not working

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 ...
0
votes
1answer
39 views

Sonoff basic R3 DIY

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. ...
0
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0answers
24 views

Receiving MQTT publishes as files with paho

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 ...
1
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2answers
35 views

I need to transform MQTT topic, is it possible?

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 /...
0
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0answers
9 views

Problem getting Oauth to work with Ecobee

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://...
2
votes
1answer
33 views

Controlling a KNX gateway with Apple HomeKit

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 ...
3
votes
1answer
42 views

How to save more than one line in SD card memory

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> ...
0
votes
0answers
28 views

Most efficient wlan module for a bunch of rcars

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 ...
1
vote
1answer
30 views

Playing my music for free on Google Home

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 &...
3
votes
1answer
42 views

Control Raspberry Pi depending on Wifi-Users

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 ...
0
votes
0answers
9 views

How to use the new tools to do development on my ancient Fez Hydra

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 ...
0
votes
1answer
23 views

Identify the ancient IOT hardware model and find out its driver

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? ...
1
vote
0answers
22 views

Lightful globe smart bulb

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 ...
0
votes
1answer
15 views

How to change/add characteristics on HM-10? [closed]

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 ...
6
votes
1answer
41 views

Cannnot send from arduino to raspberry pi via LoRa

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 ...
0
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1answer
31 views

Do you know of any product that uses the uCOS RTOS?

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 ...
1
vote
1answer
37 views

ESP OTA from Github

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. ...
1
vote
1answer
29 views

How can I increase the size of the receiving sms Buffer in GSM

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 ...
1
vote
0answers
31 views

Paho-mqtt max clients

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):...
0
votes
0answers
10 views

I'm getting an error while uploading my code to esp8266 via an arduino (FatalError('Failed to connect to %s: %s' % (self.CHIP_NAME, last_error)))

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)...
1
vote
1answer
22 views

MQTT brokers that provide User Interface and REST APIs for User/Topic configuration and management

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 ...
0
votes
0answers
20 views

Fail posting an IFTTT JSON from Arduino

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 ...
1
vote
0answers
18 views

OOB pairing without NFC

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 ...
1
vote
1answer
33 views

Reading from sound sensors or gateways with high level languages

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 ...
0
votes
1answer
18 views

mosquitto remap local topic (no bridge)

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 ...
2
votes
1answer
37 views

Wirelessly Transmit Signal to Smartphone App

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 ...
0
votes
1answer
35 views

Ethernet communication via Raspberry3

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. ...
1
vote
0answers
29 views

Ikea Tradfri Gateway don't connect to a network

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 ...
0
votes
0answers
41 views

How to connect the bridge node of painlessmesh to AWS IoT Core to publish message via MQTT?

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 ...
1
vote
3answers
58 views

How do most IoT devices receive updates from SQL databases

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 ...
4
votes
2answers
85 views

Testing security of IoT devices

Searching the archives for "fuzz" and "pentest" only results in 2-3 relevant threads on this topic and they are all from 2016/2017. I would really like to subject my IoT devices (e....
0
votes
0answers
42 views

+QIURC: “pdpdeact”,1 when trying to open network using AT+QMTOPEN over LTE-M1

I am trying to connect to the mosquito server over Vodafone CAT-M1 network but the call to AT+QMTOPEN always fails with +QIURC: "pdpdeact",1. Below are more details. The device is able to ...
0
votes
2answers
46 views

wireless moisture data transmission

i am mainly from software background with very very basic level of electronics/microcontroller knowledge. i recently did a small iot project for moisture/temp detection following this tutorial : https:...
0
votes
0answers
38 views

Flutter vs React Native (for building IoT Applications)

Good day Experts! I need your valuable suggestions regarding a very important decision in my development life. I need to know which framework is best suitable for IoT applications like communicating ...

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