Internet of Things Stack Exchange
Internet of Things Stack Exchange

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1500 questions
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How to use SSH server on a remote device and overcome routing issues

I am designing an embedded Linux device that acts as a gateway for sensor data. In some cases this device will use a back-haul that I don't control (e.g. customer supplied cell or cable modem). I assume this device will be behind some sort of NAT…
Nick
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How to speed up first Mosquitto message?

When sending MQTT messages, first message arrives within 2 seconds and subsequent messages sent within less than 20 secs from first message, arrive in about 0.5 second. I would like to speed up those “first” messages and wonder if there's a way to…
Nino
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How to collect data from AM 2302 temperature sensors over long wires?

I am trying to monitor the grain temperature in 4 roughly 25ft grain bins. I currently am monitoring temperature in one 15ft bin with the AM 2302 sensor, and it appears to be working. I just made a 60ft (roughly 18m) long cable with three sensors,…
Kody Rogers
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Automating motorized shades

I have some non-smart motorized shades that can be raised/lowered with a remote that came with them. I’d like to automate them via Alexa. Off the top of my head this would require sniffing the signals the remote is sending to the…
Van
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Diff-patch algorithms

I am studying about incremental programming of restricted (low power) IoT devices and discovered that many diff algorithms have been introduced by the literature (DASA, R3DIFF, DG, etc). Trying them out, I found out that xdelta generally produces…
konstantinosAR
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NetBIOS visibility in Windows IoT Core

I am trying different approaches to creating a simple NAS using a Raspberry Pi and decided to give Windows IoT Core a try; considering that other computers in my network are primarily Windows and drives are NTFS, that seemed like a viable idea. I…
bazzilic
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Detecting static human? How? Which Sensor?

I am new to this community and I apologize for my bad English. I am interested in Home automation I am working on my new project. Where the requirement is to use a sensor for Automatic Light on/off in washroom I did some research on PIR sensors…
Amit singh
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Monitoring temperature using AWS IoT

I've developed an Android app for my dad for monitoring temperature from a specific room. He wants to be able to see the temperature even when he is not home. I got working with Amazon IoT and it's pretty great: You publish the temperature to the…
Gavriil
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Particle.io argon delay time as var

I have everything working wonderfully but I want to accomplish one more thing and I'm not sure how to go about it. Part one to this question: Under command=="loops" I have a delay() function. I want to be able to send this time from the dashboard or…
Kelly
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Best way to set up a portable local IoT network?

I'm working on a project that requires multiple ESP32s to be able to receive a signal from a smartphone in order to close/open a set of doors. The catch is that this will be happening in a remote area with no internet whatsoever, and on a wide scale…
user13175
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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 project that we are designing. I am looking for a…
user9422677
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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 different Wi-Fi networks). I hate to use Google Home…
Hong
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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 restarting the heater several times: Scanned for devices…
Ana
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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?
Buddhi Perera
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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 tried to keep the SPI configuration according to…
Shubhanshu Rastogi
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