Internet of Things Stack Exchange
Internet of Things Stack Exchange

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1500 questions
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Need Suggestion HD Camera to be integrated with Wifi module

I am working on one of my IoT project which needs to wide angle HD camera modules to integrated with Wifi Modules (open to Raspberry Pi, NodeMCU or anything else). I have checked various options but could not figure out which is the best HD camera…
Rishi
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MQTT always connected and 4G data load

I'm working on an IoT project that involves thousands of MQTT clients that are connected to a broker (mosquitto) via 4G/WiFi router/modem. Less than 10 clients are connected to the same router, and the routers come from different places (different…
Mark
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Wi-Fi Line Voltage Thermostat for Baseboard Heaters

Background A house has a handful of line voltage electric baseboard heaters (240V, 3600W). Problem Control the schedule and current temperature without connecting beyond a local area network. Hard Requirements Supports Wi-Fi connectivity to local…
Dave Jarvis
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Why does Docker reduce power usage on an Internet of Things device in this benchmark?

I've been interested in the applications of Docker on IoT devices such as Raspberry Pis. After reading A Performance Evaluation of Container Technologies on Internet of Things Devices, I was slightly confused by one of the results. In Table 1, the…
Aurora0001
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Eye-Fi vs Transcend: Which card provides more accurate geotagging?

There are two leading companies in the Wi-Fi memory card market. I'd like to know how they compare in terms of accurate geotagging data of the taken photos, especially when travelling around in rural areas (away from cities) or in North African…
kenorb
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How to track a stolen Canon EOS camera using SDHC memory card?

A few years back I've purchased an Eye-Fi Pro X2 for my Canon EOS digital camera. Unfortunately, the camera has been stolen and at that time I had my photo sync disabled in Eye-Fi Center (which is now deprecated) and I couldn't do anything to…
kenorb
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Standards for non-Internet-connected WiFi devices?

I'm planning to do a lot of home automation. For that I will host a private isolated WiFi network to which all my devices will be connected to. The devices will be simple lights, RGB LED strips (smd5050 and ws2812b), thermostats, fans, window…
Forivin
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Controlling ESP8266 via Raspberry Pi through MQTT

I am working on a home automation project. The basic objective of my project is to control relays and other sensors located at different locations. I have set up my Raspberry Pi as an MQTT broker. Mosquitto is running fine. For now, what I am trying…
Rohit Mathur
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Remote access for multiple IoT project units

We are in the early stages of planning an IoT project. One issue we are struggling with is how our Internet based server can access each unit of our IoT project and deploy code updates, messages ... etc. I'm concerned about this because, of course,…
sisko
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Would RPI 3 serve as IoT server with MQTT?

I answered to the below linked question and started to think, what are the hardware specs for running an IoT stack of for example MQTT over LoraWan? Would Raspberry PI 3 survive or not? I do not care how RPI connects LoraWan, mainly about RAM and…
mico
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Alexa cannot identify Fauxmo and ESP8266

I'm trying to control an ESP8266 using fauxmo. The programme compiles correctly, but when I run the Alexa app to find devices the ESP doesn't show up. The ESP is definitely connected to my home network, and the programme is running (I've checked the…
llewmihs
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Intercom ring notifier with ESP8266

My project idea is to attach "something" to my Intercom and when it receives an electric signal (someone rings the door bell), contact a local web service in a home server and that server sends a push notification to phones. The part of the project…
Mulflar
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2 answers

Cheap video streaming platform using Raspberry Pi

I have a questions as stated in title - I hope it will not be "primarily opinion based" since I wanted to ask you if what I have in mind is even doable. I want to create network of couple cameras that could stream from given location to local…
sdooo
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Do I need to use MQTT or HTTP?

I'm working on a device that sense and collect information from the environment such as temperature, humidity, etc. The device is not connected to any power source, but it has a battery, and a solar panel to charge it. It's almost in a deep sleep…
zephrax
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Why does Alexa answer questions I didn't ask or prompt?

I just got a new Echo Dot and it works normally when prompted. However, three times today she said without prompting, "I'm sorry, I can't find the answer to that question." I checked on the app and three questions I did not ask are logged, but they…
Johnstoirvin
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