All Questions

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 ...

What is slowing down the adoption of ipv6? The dns supports ipv6, the applications (server, browser etc) can just get ipv6 support from an update, so what is there that stops from everything running ...

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 ...

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....

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 ...

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:...

I've found on Ali-Express an interesting dual 18650 battery package, which I fail to understand-operate ( or malfunctioned ? ). Its purpose is very clear - 2 single 18650 batteries, which can be ...

I know it's might be a stupid question but I'm wondering why there are no, or at least not many, 5 volts LiPo batteries when almost all components like GPS receiver or GSM modules are requiring 5 ...

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 ...

I have been trying to do this project for 2 weeks. The project is about mini weather station. It uses esp8266, DHT11 sensor,BMP180 sensor and FC 37 rain sensor. I have taken reference from the ...

This is yet another provisioning BLE/Wifi question. We are looking to secure the initial communication between our mobile application and smart device (esp32, ble and wifi). We want to make this as ...

I am using a Particle Boron to connect to a smart lock but I am not being able to do it. I'm using Particle's BLE interface to connect to bluetooth and start sending messages to the lock, and a ...

I am using the https://github.com/rpsreal/pySX127x library Raspberry Pi4 and a Dragino LoRa/GPS HAT for RPi v1.4. Running test_lora.py in the library, the unit test test_mode() fails with the error ...

I am using a Particle Boron to integrate with a Smart lock but I am not being able to do it. I'm using Particle's BLE interface to connect to bluetooth and start sending messages to the lock, and a ...

My SmartMi Fan 2S arrived today, I've finished the initial device setup in Mi Home app. The process of pairing was slow, but in the end, it finished successfully. And now 95% of the time I see the Fan ...

I am looking for a way to connect to my ESP8266's web server without being connected to the same network as it. Also, I want to be able to connect to it without using the port forward or VPN tunnel ...

I have an Ohaus Aviator 7000 scale, and I need store the weights of various items digitally. Although the scale is supposedly capable of exporting measurements directly to a computer, I have not been ...

It’s a long story why but I’m looking trigger an Aeotec Siren Gen5 when my home security alarm goes off. I’ve talked extensively with the security company and they can’t support this siren (they used ...

This thing is driving me nuts. I tried to debug my MQTT secure connection on nodecmu. Following some post from year 2015 I was switched on debugging output with Serial.setDebugOutput(true). Now I ...

I'm using a Raspberry Pi 3B+ with SIM7600X 4G HAT for communication with Python. I want to connect to MQTT server to receive messages via writing MQTT commands directly to the serial port of the ...

I am new to IoT. I want to connect multiple smartphones (simultaneously) to single IoT device (chipset), wirelessly, but without internet. I want to turn on/off some electric device (for example, a ...

I’ve a complete Sonos home theater set with Playbase + 2 sonos One (Stereo) + Sub. Since my kitchen is connected with the living room and I use youtube on TV to listen to music, I would like to add a ...

TL;DR When trying to use some pins of my ESP32 to read analog signals, it turns out those pins have a non-zero voltage, messing up the measurements. Why? I got myself an Olimex ESP32-POE-ISO (see ...

I'm getting ready to start building a simple wireless GPS device. This device will use an arduino, and a cellular GSM module paired with a GPS device (an example is the SIM5320a aka the FONA 3G from ...

Trying to listen to a perhaps controversial podcast: However, Alexa tells me: here's no agenda from tunein resuming 1243 obamable no agenda on tunein talk radio isn't available right now How do I ...

When I think of the Internet of things, I think of fairly low bandwidth devices connected to the internet. That could be automotive telematics, medical devices, building monitoring, factory sensors,...

I have a value under milight/states/0x1/fut089/1. What I'm trying to do is to replicate this to milight/states/0x[2..4]/fut089/1 I've already tried the following config: connection milight-...

I got a telefunken-TV (Model: A50U445A) and a Symology NAS DS218+ I use the built-in media server on the NAS to publish mediafiles (movies) via DLNA in my wlan. The TV shows the NAS, it shows the ...

I'm using Raspberry Pi 3 B+ with a SIM7600X 4G HAT for SMS and mobile internet connection. I want to use Paho MQTT library (it works fine), but it only works via Ethernet or Wifi. How can I use the ...

I want to use a Spruce smart irrigation controller (it connects to wifi through 2.4ghz) with a Spruce soil moisture sensor (connects to the controller via zigbee). The sensor needs to be a bit far ...

I use a todo list app called TickTick. The app has a Google Assistant integration available. However, when I try to say "Talk to TickTick" Google Assistant always talks to another quiz app called "Tik ...

Since the protocol SPINS is as far as I understand it commonly spread I would like what exactly the abbreviation means in the paper "SPINS: Security Protocols for Sensor Networks" by Perrig et al. he ...

I need to ventilate a room because of my Resin printers. I have a discarded kitchen extractor hood with an EBM fan in it. It takes 10v PWM to control the speed. And the lights have a driver. To ...

I have notice a signification data usage on my pi even when I am not using it. this can be a problem as I am using a IOT sim card with a small cap. I have setup iftop and monitored the traffic for a ...

I have many raspberry Pis monitoring temperature and humidity in real time and publishing the data continuously to an MQTT broker (I am using Mosquitto at the moment). The Raspberry pis are all ...

I share a Amazon prime account with another and we each have an Echo. Each Echo is setup with our respective accounts. When we ask Alexa to add something to our shopping list, both Echo's write to the ...

Any idea if PSM should drop the PDP context and the TCP/IP session information when going sleep? My understanding is PSM should retain all these info, so when wake up, it can seamless connect back to ...

I am reading sensor data off of a Dell gateway, and noticing that the sensor data at iio:device2 seems to have a delay of ~1 second when reading using cat /sys/bus/iio/devices/iio:device2/in_temp_raw ...

So I have a simple application that involves reading the input over terminal via UART, and then responding accordingly, be it toggling an LED or outputting a sensor reading over I2C. As a step up, I ...

I'm having some trouble with mqtt ssl example on esp-idf ESP32. Example: mqtt_ssl If I test it with the default broker "mqtts://mqtt.eclipse.org:8883" and default certificate "mqtt_eclipse_org.pem" ...

I am debugging my python written flask application (using flask_mqtt) I just deployed on a raspberry pi zero wh. On my linux machine (notebook) everything works like a charm, however, on the raspberry ...

I currently use Gearman to communicate with workers. It has a nice property that requests are retried when a worker/recipient dies, and are deleted from the queue, if a client/sender dies. This way a ...

I'm trying to design a system that transfers the DateTime of entry and exit of people to another system. The data is log of records per week for each person and must be transferred once. These data ...

Using the web interface for Alexa, I'm only seeing an option to set the default music player. How do I set the default podcast player to stitcher? The default podcast client is TuneIn, which, at ...

I'm working on a multi channel sonoff device with ESP8266. I want it to be able to support popular iot home control platforms such as Amazon Alexa, Google home... It must have a button and share ...

I was looking for a C# based MQTT broker which has full open library or api so that we can call those functions in our code to get messages and other relevant data such as list of connections, topics ...

I'm currently trying to decrypt the traffic in a IKEA Tradfri Network (some bulbs, a 5-button remote, a gateway). I use a CC2531 Sniffer with ZBOSS and Wireshark to sniff the traffic. This is working ...

I'm making a simple automation system for someone and require a MQTT admin panel for server/broker. I want it such that the admin who runs the server, is able to see and change the password of the ...

Looking at a new electronic shading system for my flat I was wondering how blind actuators generally work. I know they switch between the two phases (L -> down, L' -> up) depending on the 2-button ...

I am using esp-IDF library and esp32 for smart lighting. I want to maintain the state of the lights when power goes off as it can be written somewhere in NVS. Such implementation is available for ...