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
17 views

NodeJS webserver security within LAN

I have succesfully setup the following configuration: a raspberry pi and a laptop are connected at internet via an ADSL, so that they share the private IPs 192.168.x.y and they can see each other. ...
2
votes
1answer
29 views

Is static IP needed if using VPN to connect to IoT devices?

I have an IoT solution that I need to connect to from remote. I don't have access to open ports nor set static IPs on-site where the IoT devices will be hosted so I was looking for other solutions. ...
1
vote
0answers
28 views

Connect IoT devices to AWS

I have a Moxa I/O Remote connected to a Raspberry Pi running some scripts through pymodbus. I am using MQTT to publish & recieve changes/requests in the I/O remote to a web service. The idea is ...
1
vote
0answers
15 views

Change Cloud URL using SimpleLink App for TI CC3200 SensorTags

I have some TI CC3200 Sensortags WiFi which I want to use out-of-the-box (without programming anything) Purpose I want to send the sensor information from the sensortags to an MQTT broker running on ...
4
votes
0answers
35 views

MOXA Modbus with Raspberry Pi – Can't get slave to work

I have two Moxa modbuses that I have daisy-chained together, and then connected to my network's ethernet port. The modbuses are hooked up to a control board with LED lights for the coils and buttons ...
3
votes
3answers
155 views

Options for cheap and “open” wireless thermometer/humidity sensors

I'm starting to explore IoT in my home, the first step being to connect a raspberry pi 3 B+ to a DHT22 temp/humidity, record DHT readings in a database which I then surf via a node server running on ...
3
votes
2answers
31 views

Using RBP as a broker between door locks & web server

I am relatively new to RBP3 and what it can do, but Ill try to summarize what I want to do and maybe I can get some pointers in the right direction. So the idea is to have a web app running on a PHP ...
4
votes
1answer
88 views

mosquitto_sub: command not found

I'm using a raspberry pi image that has the mosquitto broker installed. To troubleshoot, instruction was to run: pi@raspberrypi:/ $ mosquitto_sub -v -t "gateway/+/rx" However that resulted in: -...
4
votes
2answers
34 views

SBC similar to Banana/Raspberry Pi with USB comms

I’m looking forward to develop a handheld device that could communicate with PCs over WiFi network, Bluetooth and USB. I have looked at the forums about Rpi, and they say it does not support Usb ...
4
votes
1answer
47 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
181 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
90 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 ...
2
votes
2answers
61 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
65 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
38 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 ...
6
votes
1answer
51 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
119 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
74 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
83 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
120 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
91 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
79 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
226 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 ...
7
votes
1answer
100 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
452 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
54 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
165 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
80 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
112 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
129 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 ...
8
votes
3answers
861 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
163 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 ...
7
votes
0answers
249 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
220 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
170 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
110 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
341 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 (...
9
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
489 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
88 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
360 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
162 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
158 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
199 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
292 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, ...
8
votes
3answers
707 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
228 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 ...