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.

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4
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2answers
299 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 ...
1
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1answer
59 views

Installing drivers on Windows 10 IoT Core

First off, if this is the wrong Stackexchange site, please let me know so I can ask on the correct site. I'm contemplating installing Windows 10 IoT Core on my Raspberry Pi model 3B+ (so ARM platform)...
2
votes
1answer
40 views

Building bidirectional people counting sensor

I am trying to build a people tracking sensor for counting the traffic of a specific area (building or shopping street). I need to detect people coming in or out of a room, also if two people are ...
2
votes
1answer
44 views

BLE Heart rate monitor slower without internet

I am working on a project that uses a raspberry pi and a BLE heart rate monitor. I am using the built in Bluetooth on a raspberry pi zero w 1.1, running the latest raspbian buster, using the bluez ...
6
votes
2answers
74 views

Encrypting sensor data on Raspberry Pi?

I am sending sensor data between two Raspberry Pis via lora. I am using two Lora Radios and NOT using a LoraWan network like The Things Network. How should I encrypt my data? Are there any open source ...
2
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0answers
26 views

Secure External Network Control of a MQTT Server on a Raspberry Pi

I'm trying to build a home automation system using MQTT. I'm using a Raspberry Pi as the broker. Everything works great as far as controlling it when connected to the same network. But I want to have ...
2
votes
1answer
56 views

How to program my own smart home with raspberrypi 3? [closed]

Hello smart home enthousiasts, I'm a software engineering student and I want to start a new project for myself. I really like smart home stuff, but I don't want anything to do with google or amazon. ...
2
votes
1answer
80 views

How to implement out-of-home when developing an IOT device?

I have a Raspberry Pi that tells you through web sockets and a sensor the amount of electricity you are spending in real time. I created an iPhone app as a front-end that basically just paints the ...
5
votes
2answers
111 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
177 views

How can I use Raspberry Pi to communicate with my Z-Wave gateway?

I am quite new to Z-Wave. I have a gateway, 2 z-wave sockets and 3 light switches. Everything comes from Keemple brand if that helps. However, using Keemple I cannot automate things the way I would ...
2
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0answers
37 views

In what form should I store data in the cloud for a single device?

This question looks similar to What IoT services are available for storing/sending/publishing generic data in the cloud? though I haven't found a suitable answer yet. I'm building a light/temp/...
2
votes
1answer
38 views

LoPy4 Gateway (LoRa RAW) connection to Raspberry Pi and AWS Cloud

I am attempting the following setup: Sensor--> I2C--> Pycom LoPy4(Node)-->LoRa-RAW-->Pycom LoPy4(Nano Gateway)-->RPi-->AWS I have established the LoRa RAW connection between the two LoPy4s, now I ...
1
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1answer
37 views

How to control an on/off switch with raspberry Pi 3(perhaps using Radio)

So I happen to know some python to turn lights on and off in rpi3. Also to automate my home I know how to use relay boards. But the problem is that I have one rpi3 and the light which I want to ...
1
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0answers
35 views

ESP8266 and MQTT not working with new router [closed]

Got a new router from the ISP and my ESP8266 NodeMCUs are causing problems, they need very long to connect to WiFi (3-4 mins), which wouldn't be that big of a problem, but they also don't connect to ...
6
votes
2answers
1k 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
7answers
395 views

How to detect desk occupancy in office

I'm working on a POC to try and find desk occupancy in an office. The aim is to identify which desk is occupied and how many are free and where are the free ones. Also I would like to identify who is ...
2
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0answers
35 views

Google Home API Integration

I have a project that I want to start on that involves Google Home and a custom light system. I currently control some lights in my apartment VIA a website but I want to be able to control the lights ...
1
vote
1answer
101 views

Water meter reading using LORA

We need to get reading of meter using LORA. Previously, we have used NodeMCU with Wifi module but it contains short range. We need long range which will be around 10 km to 20 km, So we must need to ...
1
vote
0answers
57 views

How to connect Raspberry PI 3 Model B to BLE Motion Sensor

I'm trying to connect my PIR motion sensor using gatttool and is giving me this error: pi@raspberrypi:~ $ sudo gatttool -t random -b B8:7C6F:1A:D8:24 -I [B8:7C6F:1A:D8:24][LE]> connect Attempting ...
4
votes
1answer
50 views

remotely update a raspberry pi with limited data

What's the proper hence best way to push updates to a Raspberry-pi with a limited Mobile Data Cap (1mb/ day). My first plan was to set up a Git repository and pull files from it once a week for ...
11
votes
3answers
4k views

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 ...
7
votes
4answers
736 views

Which IoT platform to visualize real-time and historical sensor data?

In order to prepare some tutorials for my students, I am working on a few DIY electronics projects in the field of IoT. I want to use ESP32, ESP8266, Arduino Uno, and Raspberry Pi. I am more deep on ...
2
votes
1answer
96 views

Error occurred in installing ThingsBoard Raspberry Pi

I am installing ThingsBoard on Raspberry Pi by following this guide. It gave me an error when I tend run installation script in second last step: Run installation script: sudo /usr/share/thingsboard/...
2
votes
0answers
80 views

What is the most safe and easy way to send a command to a remote Raspberry Pi? [closed]

I would like to send a command with some predetermined number of arguments to a Raspberry Pi and get the output back from it. I was thinking of using restricted ssh key but was wondering if that is ...
5
votes
1answer
70 views

How to add resistor between two connections on breadboard [closed]

I am trying to replicate a circuit-diagram for my Raspberry Pi and DHT temperature & humidity sensor. I noticed that the author of the tutorial added a resistor between two connections (see orange ...
5
votes
2answers
92 views

Internet Connectivity at the sea

I am building a project which involves the application of geo-fencing at the international borders. An alert is received when the user is near the border. an email is sent to the coastal guards as ...
2
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0answers
40 views

Re-link Google Home Account with Assistant Pi on Raspbian

I installed the Google Assistant on a Raspberry Pi 3+ and it works perfectly. I see the Raspberry in my Google Home App and I can configure some features. However, by mistake, I have unlinked from ...
1
vote
0answers
117 views

Transfer data from Python Script to the Cloud using Node Red [closed]

I am running a Python Script on a Raspberry Pi to get the data measured by a Smart Plug (voltage, current, energy, power). This data is being printed on the terminal of the Raspberry Pi, but what I ...
2
votes
1answer
1k views

Communicate with MQTT over LoRa

I have two Raspberry Pis with a LoRa module each (Microchip RN2483, connected over serial). How do I tell MQTT (in Python) to use the LoRa motes (/dev/ttyAMC0) instead of Ethernet or Wi-Fi?
2
votes
1answer
41 views

How to store non-volatile data (an ID) inside a passive physical object?

I'm starting a project that evolve some kind of multiple small physical IoT objects that can be plugged dynamically to a wood board and trigger some leds. My question is so simple that I'm afraid of ...
2
votes
2answers
174 views

IoT and middleware

We are building a solution as described below: Arduino-based sensors read data and send it to Raspberry every second. Raspberry Pi processes these data and then communicates with a backend system ...
10
votes
2answers
808 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
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0answers
303 views

Unable to configure nrf24l01+ with Raspberry Pi 3 B+

I have a new Raspberry Pi 3 B+ model. I also bought a few nrf24l01+ modules. I hooked up one of the nrf24l01+ modules to my RPi with these connections: RPi | nrf24l01+ -------|---------- 3.3 ...
4
votes
2answers
77 views

Building a special effects rig

I'm not sure if this is the best place to ask but I will give it a try. I build mechanisms that are used in commercials, tv shows, window displays, multimedia art etc. They generally involve ...
3
votes
2answers
77 views

How to send data collected by two different sensors simultaneously?

I have two different sensors connected to my Raspberry pi and I have to send the data to other device. The transmission of data is through wireless network. I have been asked to send the data in ...
4
votes
2answers
370 views

Raspberry Pi emulate phone Bluetooth stack

I'd like to use my Raspberry Pi to emulate phone Bluetooth stack. I'd like to get it paired with car radio, simulate arriving/outgoing call, simulate SMS and the more alerts/notifications I can manage....
8
votes
1answer
599 views

How to Use Alexa & Raspberry Pi switch things wirelessly?

I wanted to use my Amazon Echo Dot to connect to my Raspberry Pi, and have it turn on switches wirelessly. What I have done: I have been able to use Makermusings's Fauxmo and a relay board to "trick"...
2
votes
0answers
70 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 & receive changes/requests in the I/O remote to a web service. The idea is ...
3
votes
1answer
99 views

Smart gate - where to start?

I have this idea of writing an app/something to make the gate, that we have in front of our house, smart. But I just don't know where to start. I assume that the gate uses IR because we have remotes ...
4
votes
0answers
229 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, ...
1
vote
0answers
196 views

Xamarin.Forms to ESP8266 Wifi moduleConnection [closed]

Am build new application for ESP8266. Then how can i connect my xamarin.forms application to esp8266 any reference and documentation for this. Already referred WIFIManager library in android many of ...
4
votes
2answers
801 views

Using Raspberry Pi as a Lora Node for a TTN setup

I already have a LoRa gateway that I made using a NodeMcu with ESP8266 and now I want to send data from a Raspberry Pi 3 through that gateway to the TTN. The first thing that I did was to connect ...
3
votes
1answer
74 views

Will my Raspberry Pi home automation hub be able to do all that?

I am setting up a DIY home automation, and just planning how my solution will look. I will have a Raspberry Pi 3 as the "hub" of the network It will run Node Red, MQTT (mosquitto), a DotNet website, ...
9
votes
1answer
516 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, ...
2
votes
1answer
560 views

publish image data to mqtt not showing

I am trying to publish image data to MQTT (CloudMQTT) with following code, but the data is not appearing on MQTT, don't even see any data on MQTT broker. import identity import json import paho.mqtt....
4
votes
1answer
104 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 ...
3
votes
0answers
106 views

greengrass ggc_user changeable? [closed]

While installing AWS IoT Greengrass for Raspberry Pi, there is a need to create ggc_user & ggc_group as mentioned in Greengrass developer guide step 9: sudo adduser --system ggc_user sudo ...
3
votes
1answer
61 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. ...
10
votes
3answers
3k 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 ...
1
vote
0answers
79 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 ...