Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

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.

0
votes
0answers
13 views

RFID-RC522 not working in Raspberry PI 2/3 B+ [on hold]

I want to read RFID data using RC522 in python I try https://github.com/mxgxw/MFRC522-python but it didn't work. any suggestion or any library
4
votes
1answer
35 views

Using Raspberry Pi as USB bridge

I wanted to use my Raspberry Pi as USB bridge between multiple devices. We can assume that I want to connect my iPad which has POS software on it to my thermal printer. Most of star or Epson thermal ...
5
votes
1answer
48 views

Home Assistant on Raspberry Pi Zero W

I tried to install Home Assistant on a Raspberry Pi Zero W, following this blog post. I followed all steps, including starting the daemon as needed. WiFi is connected, and accessible via ‘ssh’ ...
5
votes
1answer
80 views

Can I use Android Things to detect a doorbell press via an RF Transmitter/Receiver pair?

I've bought a pair of 433MHz RF Tx Rx modules. I've been struggling to find any information on getting them working on Android Things (Raspberry Pi). My goal is to set up AT to detect the RF ...
3
votes
1answer
39 views

IoT and middle ware

We are building a solution as below: Arduino-based sensors read data and send it to Raspberry—every second. Raspberry Pi should do some processing on these data, then communicate with a backend ...
4
votes
1answer
40 views

Efficient Server- and Protocol structure for raspberry, smartphone and 3rd-party-device network

I am new to this forum and this field. I am looking forward to good criticism and tutorials/links/instructing suggestions to build a nice system with as less effort as possible while achieving all ...
0
votes
1answer
34 views

First steps to learn IoT with watering plants project [closed]

I am an experienced developper, and I want to learn IoT beginning with a small project. Automatic Watering the plants of my house. Here are the requirements: The project is for learning purpose It ...
5
votes
1answer
37 views

How to register an IoT device to a user account

I'm designing on an IoT device that connects to a web server and publishes/subscribes to the MQTT service. Users download an iOS app to setup/register/use their device. Question: What's the ...
2
votes
2answers
62 views

ESP8266 code using Python [closed]

I need to connect some sensors wireless using an ESP8266 which transfers data over my home Wi-Fi network from sensor to Raspberry Pi. Now, I was told on the Raspberry Pi Stack Exchange that when using ...
7
votes
0answers
67 views

Connecting air conditioner to Apple's HomeKit

I'm planning to connect my air conditioner to Apple's HomeKit app. At first I searched for ways to do it, but I couldn't find a solution that would work for that project. As I've found, Apple ...
2
votes
1answer
73 views

Industrial Controller Vs Prototype Controller(Study level Controller)

What is the difference between industrial Controller and prototype(Study)level controllers or Raspberry pi/Arduino Vs. Industrial Controllers(PLC, NON PLC) controllers
7
votes
1answer
92 views

Control arduino via MQTT

I working with several arduino board and now I need to control them via a web interface. Via web interface I want to activate GPIO. I have two ideas: Each arduino acts as web server and I can ...
4
votes
0answers
66 views

Sending temperature sensor's data to Kaa-IoT platform via 6LoWPAN

I want to set up some sensors in different places, which are wire connected to my development board, Raspberry PI or Arduino. I'm going to send the data wirelessly but without using Wifi protocol, ...
9
votes
1answer
75 views

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 ...
5
votes
1answer
128 views

SSH to Raspberry with Windows 10 IoT

I set up a Raspberry Pi 3b with Windows 10 IoT to try it out. In the past I had Linux running and I would just ssh connect to it. However when trying to ssh from powershell to the Windows 10 IoT it ...
6
votes
1answer
80 views

How to Use Alexa & Raspberry Pi switch things wirelessly?

I don't know if this has been asked before, and if so, I haven't been able to find it. TL;DR: I wanted to use my Amazon Echo Dot to connect to my Raspberry Pi, and have it turn on switches ...
4
votes
1answer
318 views

SSL/TLS connection to Mosquitto broker from Android app

I have configured the mosquitto mqtt broker on a raspberry pi via this link SSL/TLS Client Certs to Secure MQTT I have the ca.crt,client.crt and client.key. How do I use them in android? It would be ...
5
votes
1answer
52 views

Network type for streaming from RPi to several ESP8266 modules

I would like to host a web page from a RPi that has websocket controls that update in 'real time' such as a slider that transmits its value as you move it. I then want to broadcast the values to ...
6
votes
1answer
86 views

Synchronized data between Hardware's storage and Server's database

I saw in China's bus system, that there are devices inside the bus which can handle e-payments. The process is something like this: Passengers come in the bus. Passengers use a QR-code in their ...
7
votes
2answers
122 views

Local and distant MQTT communication

In my project I have a set of sensors in a local network that should communicate with a Raspberry Pi 3 and then with a distant MQTT broker. Since I'm using ESP8266 for the sensor nodes I thought I ...
4
votes
1answer
79 views

What are the best / recommended approach for communicating or sending message between iOS/Android app to hardware / Raspberry Pi? [closed]

I want to have a hardware where it will send an occasional message or notifications to the mobile app. For example, when the hardware camera is now low on battery it should send a notification to the ...
7
votes
3answers
1k views

In IoT, Is it necessary to involve single-boards such as Raspberry Pi as the only communication devices?

Are single boards always necessary when implementing an IoT connection? Can they be substituted by normal smartphones in, let's say, a business setting so as to communicate to POS/Internet-enabled ...
9
votes
1answer
105 views

Unable to receive RF signals from a remote using a RF receiver

Problem I am unable to receive the signals sent with a KaKu APA3-1500R remote with a RF receiver connected to a Raspberry Pi 3. Hardware -RF Receiver (in Dutch) -KaKu APA3-1500R (in Dutch) ...
3
votes
0answers
109 views

How to handle AWS IoT with a Raspberry Pi to connect to my Node.js API?

I created an API in Node.js to connect my iOS app to my database. In my app, I have a button to start an action which will be connected to my Raspberry Pi. This action will happened after ...
6
votes
3answers
544 views

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 ...
3
votes
1answer
125 views

Program with MQTT hanging after starting, LDR processing is not working with no MQTT messages

I am trying to connect the LDR sensor to IoT by using GPIO pins (pin 4) of Raspberry Pi kit and publish MQTT messages. I am using a laser as a transmitter and the LDR sensor as a receiver, the output ...
6
votes
0answers
199 views

How to get Google Home assistant to read a value from the Internet?

Using IFTTT, I am able to send POST REST requests, which then it is able to flip the lights on/off on my Raspberry Pi. I can make a GET REST request (using postman) to get the value of the light, ...
3
votes
1answer
195 views

Cannot publish AWS IoT messages from Raspberry Pi

I run a simple publish message from a Raspberry Pi. It seems that my device is connected to AWS IoT, but the message is not publishing and the on_connect and on_publish methods are not invoking. Can ...
3
votes
2answers
139 views

Raspberry Pi outdoor connectivity for large farm [closed]

I have several raspberry pi zeros connected to agricultural sensors in a large farm(1500+ acres). What is my best solution for getting the agricultural data from them wirelessly? I want to get the ...
5
votes
1answer
107 views

Connecting Raspberry Pi and Intel Edison

I have a GPS unit with an IMU based on the Intel Edison I want to used alongside a Raspberry Pi for a robotics project. The general idea is that I want to use the Edison unit to provide the Pi with ...
9
votes
1answer
298 views

IoT Setup: Bluetooth Sensor -> IoT Gateway -> IoT Platform

I want to get started implementing IoT stuff. I do not have experience with it so far, but am learning fast. I am imagining my setup as follows: Proposed Setup Different wireless sensors (...
8
votes
1answer
2k views

IOTA on Arduino or Raspberry Pi or Similar Board?

I'm new to the world of IoT, I don't even have an Arduino or similar board yet... but I am very interested, especially with cryptocurrency such as IOTA making such things potentially profitable. Sadly,...
9
votes
2answers
409 views

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 ...
1
vote
1answer
86 views

Raspberry Pi Monitor: Qualify as IoT device? [duplicate]

Not sure if this is the right platform (please let me know any recommendations if not), but I made a display monitor in the Raspberry Pi to pull in information such as news feeds, weather, local news ...
-1
votes
2answers
324 views

Device for a motion tracker with BLE/Wi-Fi

I would like to know best alternatives to an Arduino or Raspberry Pi that has to satisfy the following specifications: Has BLE (Bluetooth low energy). Small size (https://www.kickstarter.com/projects/...
9
votes
2answers
2k views

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 ...
0
votes
1answer
158 views

How to measure temperature using a sensor and Raspberry Pi?

I am new to IoT, and I want to measure the temperature of a motor and record the data to a server. Since I have experience in back-end programming, I know how to push data to a server from a Pi, but ...
6
votes
1answer
145 views

Creating a Tor 'hidden service' on Windows IoT Core

The Background I'm prototyping some basic home automation software using Windows IoT Core and Azure. I have built a Windows Universal Application that sends data to a Web App hosted in Azure via Web ...
3
votes
2answers
171 views

Sensor using X10 power line protocol connection to Raspberry Pi

I'm on connecting my Raspberry Pi 3B board with X10 EagleEye Motion Sensor using X-10 CM11A ActiveHome Serial interface. Can anybody share a library(C/C++, Java, Python) or open source tool used to ...
7
votes
0answers
274 views

Power Consumption Benchmarks of Different Android Things SoMs?

I'd be grateful if anyone could publish some results of some (even one is good) Android Things compatible SoMs (System On Modules, see here) power consumption benchmark (data for idle, and under load, ...
6
votes
3answers
581 views

What are the limitations of our own build Echo using Raspberry Pi?

I'm trying to build my own Echo device. I found the GitHub repository here and some YouTube tutorials. I would like to know what are the limitation of this. Will this allow me similar functions that ...
4
votes
1answer
219 views

How can I make an IoT system with a CNC machine and robotic arm? [closed]

I want to create an IoT system with Amazon Web Services. My system contains a CNC machine, robotic arm and sensor. The idea of my project is that when objects come to container the sensor sense the ...
7
votes
1answer
390 views

Connecting web app to IoT AWS

I am using Raspberry Pi as a web server this web is to control CNC machine as you can see in the following picture. (I took it from git hub) I can enter the g code manually or I can upload the g ...
6
votes
1answer
222 views

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 ...
12
votes
2answers
629 views

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 ...
6
votes
1answer
828 views

Windows 10 IoT Core will not install onto my SD card / Raspberry Pi 3

I tried to install Windows 10 IoT Core onto my SD card using Microsoft's IoT Dashboard. I fill out all of the fields then it says: Downloading Windows IoT Core Download Complete. Then it says: ...
6
votes
1answer
132 views

Wifi wall volume “dimmer” switch to control chromecast audio volume

I want to develop a wifi enabled wall volume "dimmer" switch that can control the volume on a chromecast audio. I was thinking of using a Lutron Caseta switch and trapping the changes with a RasPi ...
6
votes
0answers
94 views

What hardware and sensor do I need to install Android 4.4 in Raspberry Pi 2 or 3? [closed]

I'm working with Sentiance SDK in Android and I want to know if it's possible make a Raspberry with android that works with this SDK. For this reason, my question is, what hardware do I need? Can ...
5
votes
2answers
703 views

How can I send images from a webcam using a Raspberry Pi? [closed]

I want to send the image captured (and stored on RPi) by 3 webcams from my RPi to any user anywhere in the world. The user just has to type a web address and access the images. How do I do this? I ...
10
votes
2answers
340 views

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 ...