Questions tagged [raspberry-pi]

For questions related to using the Raspberry Pi in IoT applications or solutions. Questions about a software or hardware issue with Raspberry Pi are usually more appropriate at Raspberry Pi Stack Exchange. Programming language questions are usually more appropriate at Stack Overflow.

Use this tag for questions related to the IoT applications of the Raspberry Pi.

Consider the question check list if your question fits the tag. You can also look at the example questions. If this tag doesn't fit your question have a look below at somehow related tags that might fit your question better.

Question checklist

  • Is your question on-topic in the context of the Internet of Things?
  • Does the question use or focus on a Raspberry Pi?

Example questions

Not what you are looking for?

173 questions
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What are the best security practices to secure a remote IoT camera?

I have done a bit of home automation such as building a remote camera that can be turned on via SSH locally and publishes images on a Raspberry Pi run Linux server. I'm curious, though, as to what protocols are best followed when your security is…
Zeitsperre
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Is there a big jump between prototyping on a Pi, and using a microcontroller?

This question asks, amongst other things, if there is a big learning curve between using Python on a Raspberry Pi to prototype an endpoint, and using a microcontroller. Clearly there is a big improvement in power consumption (at the cost of reduced…
Sean Houlihane
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Mosquitto on Raspberry Pi refuses connection after changing log settings

In my ongoing endeavors to get my Raspberry Pi to command my stuff I set up a Mosquitto MQTT broker. In the base settings everything went reasonably fine. I could post test messages with the publish command and receive them with the subscribe…
Helmar
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How to efficiently control my dumb TV via Alexa?

I have a more or less dumb TV (Toshiba 42SL863G) and home cinema system (LG HX806SG) which I want to control via Alexa voice command. At least switch them on and change into either TV or home cinema configuration. Unfortunately that seems to mean…
Helmar
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4 answers

Securing 433 MHz wall light switch

I'm planning to use a simple light switch, that is placed on the wall. The switch gets power from the battery or piezo and sends unique sequences of data (on on- and on off-events) over 433 MHz to the receiver, that is connected to my…
Boris Brodski
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2 answers

Which IoT platform should I use for low-energy temperature sensors to be powered by battery?

I'd like to setup two temperature detectors: one outside and one inside my house, in order to compare temperature and act on the difference (opening/closing the window for example). The issue I'm facing is which platform to take. My initial thought…
Cyril N.
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3 answers

How to connect "io-homecontrol" skylights to a Raspberry Pi?

Scenario I want to control my remote controllable skylights with my Raspberry Pi. The windows were installed a few years back and come already with the remote capable io-homecontrol technology, which comes with remotes that can each control one…
Helmar
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1 answer

mosquitto_sub "connection refused" on Arch Linux

So I installed mosquitto and mosquitto-client on a Raspberry Pi running Raspbian Jessie through apt-get as well as mosquitto on another Pi running Arch Linux through pacman. On Arch the client utils do not need to be installed separately. Testing…
Ghanima
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802.11 action frames send and receive in software

Is it possible to gain access to 802.11 action frames TX/RX from software? There's a proprietary protocol based on vendor-specific action frames called ESP-NOW for ESP8266 and ESP32 chips, and I'd like to try to implement it on a Raspberry Pi. It…
13
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4 answers

Easy to use bidirectional people counter for one location

I am looking for a bidirectional people counter for the entrance of one location to start. I am just testing some of my own ideas with the data generated by the device. The device needs the have the following traits: Relatively small and easy to…
klib
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12
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1 answer

Robust GPS + Internet - Best option?

Please consider the following: I am looking to build a device that will be placed in a vehicle as it drives through heavy wooded areas, potentially far away from any mobile reception towers. The hope is for this device to be able to get its GPS…
Aphire
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12
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1 answer

Connecting a sensor to ZigBee

I am planning to measure water level in a well, which is about 10 m deep with maximum water level up to 5 m. My plan is to use ultrasonic sensor HC SR04 to measure depth, transmit it via ZigBee to a Raspberry Pi inside my home. My question is how…
Raj
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2 answers

Has anyone designed a custom IoT wall switch?

Are there any custom IoT wall switches designed using ZigBee, weave, Thread, etc. which have the ability to customize its use without forcefully imposing the use of a proprietary gateway or app? I was thinking of using a RPI/Arduino solution to…
Lester T.
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12
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3 answers

Is a range of 50 km+ possible in LoRa?

I read this article which said I could get upto 50 km with a LoRa module. But when I read the product description it says the in-built range is only 16 km, so I obviously need an antenna. But what kind of antenna can I use that can get my 16 km LoRa…
user5399
12
votes
2 answers

Good microphone for whole room (without Internet)

I'm currently working on a smart home with voice recognition and I'm looking for a microphone that I could use for a whole room. What kind of microphone should I be looking for? What does the Amazon Echo and the Google Home thing use? The microphone…
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