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4
votes
3answers
214 views

ESP8266 with Dual Relay AND STM8S103

I'm looking for an ESP8266 board with a dual relay for one of my projects. Yes a Sonoff Dual - quite answers all my needs, beside the part of messing around with soldering and the for need more GPIO's ...
1
vote
0answers
56 views

Pan Tilt Bracket for CCTV

How can I change the Address of the pan tilt bracket for CCTV (Pelco-D Protocol) with a PC(USB to RS485)? Any software available? I tried with my HIKVISION DVR but couldn't change the default address &...
4
votes
1answer
33 views

Project IoT backend for monitoring sensor data

I'm newbie to cloud-iot services. I was challenged by my lecturer to build a backend system where it can send sensor data to cloud, store it, and host a website page. Its about monitoring microclimate ...
0
votes
0answers
21 views

How to trigger my switchbot automatically after a set amount of time?

How can I trigger my switch-bot (a Bluetooth smartphone controlled button pusher device) manually at first and a 2nd time automatically after a set amount of time (30 minutes for example), using ...
0
votes
0answers
16 views

When resetting an Amazon Echo, are there any privacy differences between resetting from the device itself or via the Alexa app?

It appears that there are currently two ways of resetting Amazon Echo devices: either via physically pressing one (or more) buttons on the device itself, or by selecting the "Deregister" ...
2
votes
2answers
68 views

Can GPS device report to other device without internet?

I have device A which that device made by only GPS+CONTROLLER. Can that GPS report their location to device B which made by Controller or it will better report to internet without using GSM module or ...
0
votes
1answer
55 views

Mobile device connected to custom WiFi IoT network drop connections

Intro I have a custom hardware that create a Wifi network and allow users to connect to it (mobile devices). There is no cellular SIM card, only wifi. Once connected, through sockets, I'm able to ...
1
vote
1answer
36 views

Has any one developed M-Bus protocol on STM controller?

M-Bus is a building management side protocol which helps to communicate with the controller to get the available parameter values like current, voltage, power etc. I have to develop an architecture ...
3
votes
2answers
499 views

Count or list active client connections to mosquitto server

I just want to know how many clients are actively connected to my mosquitto server. Or even better, get a list of client ids connected to my mosquitto server. I read some documentation suggesting the ...
1
vote
0answers
23 views

Adding Devices.Bindings to UWP Application

I am having some trouble adding a NuGet package to a UWP application. When I add the Device.Bindings package to my UWP application, I get thrown an error saying that Device.Bindings does not support ...
1
vote
1answer
54 views

mosquitto_sub command gives no respond when correct password?

I am trying to subscribe to a mosquitto server that I installed and configured with this command mosquitto_sub -h myserver.myserver.myserver -p 9500 -t "test" -u "myuser" -P "...
0
votes
1answer
40 views

Arduino MKR GSM/NB + CAN + SD Card

I have some questions about a new Arduino project I'm starting: Since Vodafone (Italy in my case) is shutting down 3G in 2021 (keeping 2G/4G up apprently), is ARDUINO MKR GSM 1400 still valid in next ...
3
votes
0answers
64 views

IoT Dashboard for Raspberry Pi

I am currently experimenting with IoT using a Raspberry pi 3 and Windows IoT core. I have orded the sensors but in the meantime I am simulating them by using hard codes values. This is all for a ...
1
vote
0answers
25 views

Pushing messages to be spoken to Alexa

How do I force Alexa to speak messages? For example everytime someone mentions Elon Musk on Twitter I want my Alexa to automatically speak the tweet.
4
votes
2answers
71 views

Decoupling data fetching from processing and publishing

I am working on a project that involves raspberry pi and the accelerometer sensor ADXL355. The raspberry's responsibility is to fetch the data from the sensor, filter only useful data and publish it ...
1
vote
0answers
20 views

IoT Reference Implementations for Urban Sanitation [closed]

Does anyone have any good examples of IoT usage in the area of urban sanitation, particularly for low income settings?
4
votes
0answers
34 views

Alarm system built with raspberry + sonoff rf bridge

I am developing a personal project at the end of which I should be able to create a homemade alarm system. All this should be protected against voltage drops/failures, the whole circuit will be inside ...
1
vote
1answer
54 views

Incorrect answer from Alexa

I asked "Alexa, what's the distance between San Francisco and Los Angeles?". Alexa replied "11,711.8 kilometers away", which is absolutely incorrect. Why does this happen? Am I ...
3
votes
1answer
46 views

Is there any use for a Google Home Mini without WiFi?

The WiFi of my Google Home Mini is dead after 1 year or so of use. Yes, I have tried everything to verify this (factory reset, Wi-Fi with password, without password, different bands, two totally ...
0
votes
0answers
18 views

Device integration API documentation for Device Insight Centersight?

For Device Insight Centersight I could not find any API documentation. I was looking for an equivalent to the AWS IoT Core Documentation. Does someone know where I can find info about the API?
1
vote
0answers
37 views

MQTT JSON format for IoMT industry?

W.r.t. formatting the payload content of MQTT messages one usually sticks to standards like SensorML for distributed sensor networks or Sparkplug for IIoT. Are there JSON format schemas/standards for ...
5
votes
1answer
70 views

MQTT JSON format for process automation industry?

W.r.t. formatting the payload content of MQTT messages one usually sticks to standards. In case the AWS IoT platform is used the format of the payload content is not pre-defined. There's just a best ...
1
vote
0answers
44 views

IoT OS installing on top of Linux?

I am new in the field of IoT OS and I saw TinyOS, Conitki etc. can be installed on top of Ubuntu. Its not clear to me how these OSes are able to run on top of Ubuntu without any Hypervisor? Can ...
3
votes
2answers
2k views

How to pair the Xiaomi Smartmi Electric Heater 1S with the Mi Home app through WiFi

It seems that my Mi Home app is not recognizing the Xiaomi Smartmi Electric Heater 1S. This is actually happening with two different Xiaomi heaters (same model). What I've tried so far, after ...
2
votes
1answer
50 views

How to login to an existing mosquitto instance to review activities?

I modified my /etc/mosquitto/mosquitto.conf to start on a different port and also require username password authentication. I then started my service like so: /usr/local/sbin/mosquitto -c /etc/...
2
votes
0answers
535 views

How can I control a Yale deadbolt with Google Home?

I've got a Yale Assure Lock SL with Z-Wave that I'd like to control with my new Google Home. I understand that the "unlock" command might be disabled for security reasons, but I'd at least ...
2
votes
1answer
50 views

GU5.3 WIFI RGB bulb compatible with smartthings?

I need some advice. I am searching for a GU5.3 RGB bulb compatible with SmartThings. On Amazon sometimes descriptions are confusing!
3
votes
0answers
51 views

POE ethernet passthrough microcontroller [closed]

I'm looking for a build your own or mod hack something like a POE ethernet passthrough that powers an Arduino IoT controller. I understand that what ever I am using will need it's own dedicated IP ...
4
votes
0answers
32 views

Digital read from ADC2 pins when wifi enabled in ESP32

Is it possible to get a digital input from ADC2 (GPIO - 0, 2, 4, 12, 13, 14, 15, 25, 26, 27) when wifi is enabled in ESP32?
6
votes
1answer
62 views

Do I need different certificates for every thing?

I'm learning AWS and I created a new thing with the required certificates to access it via MQTT: root-CA.crt .private.key .cert.pem If I'm not wrong the root-CA.crt file will be the same for all the ...
5
votes
0answers
304 views

How could I use ESP32 for realtime wifi voice streaming?

I have an ESP32 with OV2640 camera and a GY-MAX4466 amplified electret microphone module and I would be able to connect it to ESP32 to stream voice and video in realtime when I connect to its IP, ...
2
votes
1answer
38 views

Portable wifi light switch that just plugs into regular power outlet

I'm looking for a basic light switch that works over WiFi to turn on a smart WiFi bulb. But the light switch will just be sitting on a desk next to a bunch of other equipment. Is there a WiFi smart ...
2
votes
0answers
26 views

Playing No Agenda HD on Apple iTunes through Amazon Alexa

Periodically, I'll try to listen to a podcast with Alexa yet always get the same poor result. Until today. Now, it plays something called "no agenda ep.5" from Apple iTunes. Which is ...
4
votes
0answers
45 views

How we can interface LoRa(RFM96W) with STM32F030 controller?

I have tested my RF96W LoRa boards with the Lolin Boards, it works fine. However when I interface these Lora boards with a stm32f030r8t6 based controller, I don't receive any data, although I have ...
1
vote
2answers
73 views

Why some IoT devices cannot connect to MQTT broker

We have an IoT company and we shipped more than 10.000 products around the world. We have some of our customers (around 5%) that cannot connect their product to MQTT. Our infrastructure is really easy....
4
votes
1answer
46 views

Smart Locks with Alert feature

Are there any smart lock products that are capable of sending out alerts: Alert via text/email when lock is opened with code Alerts when lock is forcefully opened Alerts when lock becomes unreachable ...
2
votes
1answer
40 views

A smart bulb I can turn on and off at the wall switch

What I would like is a lightbulb that when I turn it on during office hours, it’s a bright white light. And when I turn it on at any other time it’s a dim warm light. I’d like to continue using the ...
2
votes
0answers
467 views

How to have a Nedis smart device to connect to WiFi network without app and registering?

I have a Nedis WIFIHTPL20FWT Smart conversion heater. It seems that I need to register to Nedis cloud service and only then using Nedis SmartLife App this device could be connected to my local WLAN. I ...
4
votes
1answer
785 views

Mosquitto broker stopped working in Hassio

My Mosquitto broker stopped working and I think it might have something to do with me trying to use the same Raspberry Pi to run Tuya Convert. I know Tuya Convert installs a bunch of stuff and I'm ...
5
votes
1answer
89 views

Can you intercept outgoing messages from devices on your LAN?

Many IoT systems have 3rd-party APIs people have reverse-engineered so they can add custom integrations, but these all work by impersonating the app, receiving updates from the server. If I'm on my ...
2
votes
1answer
48 views

Do IoT devices require their own proprietary server to be running?

We know the score: you plug in your smart device, install some 3rd-party app to get it set up then control it via Google/IFTTT/whatever. But behind the scenes what goes on in terms of traffic? I was ...
2
votes
1answer
570 views

Mosquitto broker service not starting on Windows

I installed mosquitto for Windows, and ran the following command from command prompt as administrator: net start mosquitto I get the following message: "The Mosquitto Broker service is starting. ...
1
vote
1answer
57 views

Cannot connect to softAP hosted on ESP32 IoT device on Windows 10

I have an IoT ESP32 device that needs to be configured through its softAP WiFi. When I enter the credentials of that network I get "cannot connect to network". I suspect that it's because ...
-6
votes
1answer
46 views

Why we can't get as fast internet speed as NASA? [closed]

Some months ago I came to know that NASA has the fastest internet on the planet (with obvious reasons). But, my point is not that • I want to know why we commoners can't have such speed in our ...
2
votes
2answers
938 views

How to configure Home Assistant to get working SmartIR integration with Tasmota IR over MQTT?

Could someone help me to configure this https://github.com/smartHomeHub/SmartIR to use with Tasmota over MQTT? I have installed the addon with HACS and have generic IR flashed with TasmotaIR (when ...
3
votes
1answer
301 views

Linking myQ garage door to IFTTT

I have managed to close my myQ garage door (a LiftMaster) (by Chamberlain Group) using IFTTT. Here's the setup myQ app on an iPhone IFTTT app on an iPhone myQ account subscribed to IFTTT the garage ...
2
votes
0answers
37 views

Guidance for a data logger and radio

I've currently been working with a consultant, whom recommended we utilize an architecture that is based off the Microchip ATMELAVR 8 bit Arduino framework. The board is called a Mayfly, picture ...
4
votes
2answers
95 views

Is there a wireless video doorbell that will chime on Google Nest speaker?

Most smart doorbells (e.g. Google Nest Hello doorbell) seem to require a wired connection. The Ring wireless doorbell looks like the most popular but compatibility with Google Assistant looks poor. I ...
2
votes
1answer
44 views

Prevent a remote MQTT client from connecting to a broker

I am a newbie to MQTT, I was wondering how could one prevent a client who is not running in the same processor, where the broker is also running, to connect with the broker. In other way, restricting ...
3
votes
1answer
54 views

MQTT Client Broker communication - can a malicious client masquerade as a legitimate one after being connected with credentials

I would like to ask a question that I have about MQTT client broker communication. Let's say, a client C1 is connected to the broker with user name and password (with no encryption). What happens when ...

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