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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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How to Achieve Max Speed Transactions ( Transfers ) between Lora Packet Forwarder to Remote Server

I have a Lorawan devices that works as witnesser and beaconer. Simply it gets the Signal-Data from other same type of Lorawan devices. There is a Packet Forwarder software on that device OS and it ...
Farukest's user avatar
  • 121
2 votes
1 answer
67 views

SSH into Home Assistant instance from anywhere

So I have Home Assistant running on an RPi-4. I have the instance running locally but I also have the cloud service through Nabo Casa. I have a sub-domain through my domain from google domain that I ...
Vibhore Sagar's user avatar
1 vote
1 answer
32 views

Trouble pinging between host (Windows) and guest OS (Raspberry Pi) in VirtualBox

I am working on an IoT project where I have set up a Raspberry Pi as a guest OS in VirtualBox on my Windows host machine. Both the host and the guest OS have been assigned static IP addresses: 192.168....
Sathya_PS's user avatar
1 vote
0 answers
52 views

Is there a way to quickly detect when pilight stops working?

I have a number of pending updates on my raspberry pi. Until I take a day to perform all those updates, I'm sitting at pilight version v8.1.5. Updating may potentially solve my ultimate problem, but ...
hepcat72's user avatar
  • 175
2 votes
0 answers
32 views

LoRa - How to forward packets?

I'm working on a system where LoRa Module 1 forwards packets. In this setup, when a user is connected to Module 2 (linked to an ESP32 board and acting as an access point), and they enter a URL like &...
hirdesh mewada's user avatar
1 vote
1 answer
65 views

Calibrating MPU6050 sensor

So I'm using an MPU6050 module for detecting the impacts on a board to which it is attached, in-order to detect hits on the board, using the accelerometer sensors. The module is placed vertically(z-...
fractal397's user avatar
1 vote
1 answer
25 views

aeotec aërQ temp/rh sensor or zwave-js not reporting state change

I have a simple iot app: raspberry pi 4 aeotec Z-stick7 aeotec aërQ temp/humidity sensor mosquitto zwave-js-ui The setup works fine, yet state changes are not being reported so often. Yesterday ...
minisaurus's user avatar
0 votes
0 answers
24 views

Raspberry Pi 3 kubernetes face recognition cluster

I need an advice whether this system is possible the way I planned to implement it. I got a project to build a kubernetes cluster for face recognition using raspberry pi 3 devices. The idea is to have ...
Marko Saratoga's user avatar
1 vote
1 answer
59 views

Send Alexa a command from another device?

I'm in the process of creating a Raspberry Pi-powered home automation system. I have a complicated node.js script running on the Pi, and I want to be able to send commands from the Pi to my Alexa (e.g....
Blue Herring's user avatar
0 votes
0 answers
31 views

Private ip in raspberry pi?

I have a Raspberry pi 4 that is connected to a therm sensor ds18b20. The Raspberry Pi is running a flask application in 0.0.0.0 in port 5000, the app gives the current temperature using the sensor ...
Rodrigo Veiga's user avatar
1 vote
2 answers
39 views

Time Out for Raspberry Pi running Node-RED, Mosquitto, Wireless Xiao ESP32C3

I have a Raspberry Pi Zero 2W on 32bit PiOS running the following Docker containers: Node-RED, Mosquitto, and Influxdb. I have a Seeed Studios Xiao ESP32C3 running a C program compiled by the Arduino ...
Gordon Shephard's user avatar
1 vote
1 answer
147 views

Relay for Multiple Camera Streams

Is there any open source software available for a Raspberry Pi that will read multiple camera streams on the local network and rebroadcast, keeping them as separate streams?
user7823241's user avatar
0 votes
1 answer
166 views

How to effectively control Arduino via a web application?

I have a web application in PHP on remote hosting. The application is connected to a MySQL database, from which it reads states, draws graphs from the data that Arduino sends to the database. The ...
Sahasrar's user avatar
1 vote
0 answers
90 views

How to configure WS2812B adressable LED strip with RPI?

I hope this is correct place to answer this kind of question. I know this might be a basic question and yes there are a lot of tutorial out there. Purpose: To make dynamic ambilight effect behind my ...
bonny's user avatar
  • 111
1 vote
0 answers
22 views

How to setup an alternative algorithm to ADR?

I've setup a simple LoRaWAN network with a Seeeduino node and an RHF2S001 gateway module using a Raspberry pi 3. I'm working on a project where I need to setup an alternative algorithm to ADR (...
AdAstra97's user avatar
1 vote
0 answers
64 views

Where can I find the firmware for RHF2S001 gateway?

I'm using this LoRa LoRaWAN Gateway - 868MHz Kit with Raspberry Pi 3 to set up a simple IoT LoRaWAN network. https://www.seeedstudio.com/LoRa-LoRaWAN-Gateway-868MHz-Kit-with-Raspberry-Pi-3.html I have ...
Newt573's user avatar
  • 11
0 votes
1 answer
122 views

Named URLs on Local Network

How can I access my IoT peripheral device (raspberry pi B3+) on my local network in a reliable way? I want to use WiFi not BLE. I want to protect against the device getting a different IP when it is ...
errolflynn's user avatar
2 votes
1 answer
1k views

Make connection between react native & raspberry & MQTT

I am currently making an IoT App that I'm trying to connect to a Raspberry Pi using MQTT. I use the react_native_mqtt package. The problem I have is that it doesn't connect. What I'm trying to achieve ...
Kindth's user avatar
  • 179
1 vote
0 answers
211 views

Node-red running on DietPi show gpio nodes as not available [closed]

So this, running the latest DietPi (DietPi_RPi-ARMv6-Bullseye) on Raspberry Pi zero W and using node-red-node-pi-gpio to talk to hardware. However after deployment I see this: RPi.GPIO python library ...
Artur Kedzior's user avatar
1 vote
1 answer
108 views

4-Channel 16-Bit ADC for Raspberry Pi (ADS1115) - Can I connect two analog sensors?

I have a RP4 and thinking about buying EC and PH sensors from Grove. I've learned that RP4 doesn't have an analog input so I'm thinking about connecting it through ADS1115 from Grove. I'm not sure ...
Marcel Kopera's user avatar
2 votes
1 answer
928 views

Can't Connect to ZigBee Devices (Raspberry Pi4, HomeAssistant, Docker-Compose, ConBeeII)

I'm stumped on this one - everything appears to be correctly configured and working properly...except that HomeAssistant can't discover any ZigBee devices. Adding the ConBee II appears to work just ...
Christian's user avatar
2 votes
0 answers
198 views

Are micron feature-size LIDAR sensors available?

I want to scan various writing materials such as card, cloth, various grades and qualities of paper, wood, even hemp-based or other writing surfaces. The reason is I wish to write a GPU-accelerated ...
Thomas Browne's user avatar
1 vote
1 answer
200 views

Who can help me with the LIRC config for AEG Hood with Hob2Hood functionality?

Has someone already had success in retrieving the LIRC codes for AEG Hood with Hob2Hood functionality? I've allready found the following codes: FAN_1 0xE3C01BE2 FAN_2 0xD051C301 FAN_3 ...
rst6120's user avatar
  • 11
1 vote
1 answer
298 views

BLE Sensor Gateway & RaspPi Project

Goal: To build a gateway using a RaspPi 4 which will receive the BLE data from the sensor and be able to see this on my mobile remotely anywhere. Sensor: Temperature & Humidity BLE (T201), you use ...
James's user avatar
  • 13
0 votes
0 answers
80 views

What Kinda of Trigger to Use for a System with Two Raspberry-Pi's

I have a system like the image shows. Now instead of it being connected with an Ethernet cable, it is going to be wireless. The SBC's represent Raspberry Pi's. SBC0 reads the data all the time and is ...
zellez11's user avatar
  • 101
1 vote
1 answer
167 views

Quality water IoT system - Which device choose

I want to develop a quality water IoT system. The picture below shows the idea. I'm not sure the device that I have to use for this project. My idea is: Every X minutes (I'm not sure the time) get ...
Lleims's user avatar
  • 119
0 votes
2 answers
353 views

When use microcontroller, when use microprocessor and when combine both

For a long time I have had a simple question to which I can't find an answer which convinces me. Basically the title: when should I use a microcontroller, when should I use a microprocessor and when ...
Lleims's user avatar
  • 119
1 vote
0 answers
37 views

Getting a custom SBC board developed to spec

I need to design a single-board computer to the following specs. Can anyone please suggest companies that could build this economically? Two full-size (USB-A) USB 3 ports A CPU fast enough to handle ...
Luke Hutchison's user avatar
4 votes
2 answers
167 views

What is necessary to employ a edge computing architecture

I've been reading about edge computing and use of nodes to decrease the distance between data and the server and most articles suggest the need of cloud to do edge computing. However, some papers that ...
clint southwood's user avatar
1 vote
1 answer
1k views

Connect to Mqtt over websockets

I'm trying to connect on a broker with the following script #!/user/bin/env python import paho.mqtt.client as mqtt import random import requests import warnings import LoggingManager logger = ...
sstavridis's user avatar
0 votes
1 answer
191 views

Is there a Hub that can receive a 915Mhz signal and report on it?

I'm looking for a device that can detect (and report to my raspberry pi) the presence of a signal from my Switcheroo: Switcheroo - Sync Lights with No App, WiFi, Bluetooth, or Remote Control | Change ...
hepcat72's user avatar
  • 175
3 votes
1 answer
102 views

Wheel skid detection

I am working on a project which sensed four speed by using hall sensor attached to wheel by using raspberry pi. I have wrote program for that only issue with that it gives fairly good results when ...
Rakesh Choukse's user avatar
1 vote
1 answer
96 views

Access Raspberry Pi behind a NAT firewall through Internet

I have been developing projects with Raspberry Pi 4. For the current project I am running a NextCloudPi server on it. I am able to access the server using my Internal IP. I want to access it using a ...
Rishab Kaushik's user avatar
0 votes
1 answer
52 views

Can I disable read access to an SD card by removing the read wire? [closed]

I want an internet connected host, such as a Raspberry Pi, to be able to write uploaded files to a directly-connected SD card, but I don't want it to be able to read the card. This is for protection ...
DatsunBing's user avatar
3 votes
1 answer
83 views

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 ...
Gavriil's user avatar
  • 33
1 vote
0 answers
736 views

MH-Z19B span point calibration: Anyone managed so far?

According to datasheet you can span point calibrate the MH-Z19B CO2 sensor. https://www.winsen-sensor.com/d/files/infrared-gas-sensor/mh-z19b-co2-ver1_0.pdf E.g. with 0xFF 0x01 0x88 0x07 0xD0 0x00 ...
Hannes's user avatar
  • 201
4 votes
2 answers
137 views

Decoupling data fetching from processing and publishing

I am working on a project that involves raspberry pi and the accelerometer sensor ADXL355. The raspberry's responsibility is to fetch the data from the sensor, filter only useful data and publish it ...
Riccardo's user avatar
4 votes
0 answers
82 views

Alarm system built with raspberry + sonoff rf bridge

I am developing a personal project at the end of which I should be able to create a homemade alarm system. All this should be protected against voltage drops/failures, the whole circuit will be inside ...
Mattia's user avatar
  • 141
2 votes
0 answers
190 views

ESP32 transmit data over BLE VS Wifi

I am working on a project where I have got an ESP32 device (Wifi & Bluetooth), which reads data from some sensors, such as temperature and soil moisture (outdoor environment). The data is then ...
Edge7's user avatar
  • 121
3 votes
1 answer
4k views

Can Raspberry Pi be used instead of Google Nest as a hub to control my smart home via Google Assistant?

I am searching for a way to make my home "smart". I have raspberry pi 4 and pixel 2 phone. I thought that it would be cool to make my dumb devices "smart" and control them via ...
warchantua's user avatar
1 vote
2 answers
713 views

I need to transform MQTT topic, is it possible?

I’m new with MQTT, I have a mosquitto MQTT broker on a Raspberry Pi. I have some topics from a client in this format /topic/lighton can be true or false. In other hand I can invoke some topics like /...
AlexPB's user avatar
  • 11
4 votes
1 answer
66 views

Control Raspberry Pi depending on Wifi-Users

I am creating a "digital dashboard", consisting of a TV and a Raspberry Pi 3B+. The TV just shows calendar, time, weather, etc.. In the tutorial I am following for that, the creator uses a ...
nameless's user avatar
  • 151
8 votes
1 answer
258 views

Cannnot send from Arduino to Raspberry pi via LoRa

I am trying to send messages from my Arduino to my Raspberry pi. But I don't understand why the pi isn't receiving the messages. On the Arduino side I'm using an Arduino UNO with a Dragino Lora/GPS ...
metichi's user avatar
  • 241
0 votes
1 answer
69 views

Ethernet communication via Raspberry3

I recently used an IP-camera to monitor my garden. Now I want to expand with various sensors and a microphone module. Therefore I would use an Raspberry, the camera for the Pi and an USB microphone. ...
v3xX's user avatar
  • 151
1 vote
0 answers
1k views

How to reconnect to MQTT server after CONNECTIONLOST?

I'm using a Raspberry Pi 3B+ with SIM7600X 4G HAT for communication with Python. I want to connect to MQTT server to receive messages via writing MQTT commands directly to the serial port of the ...
CookieMonster's user avatar
0 votes
1 answer
245 views

Python Paho MQTT doesn't work via LTE

I'm using Raspberry Pi 3 B+ with a SIM7600X 4G HAT for SMS and mobile internet connection. I want to use Paho MQTT library (it works fine), but it only works via Ethernet or Wifi. How can I use the ...
CookieMonster's user avatar
3 votes
0 answers
94 views

High data usage on a raspberry IOT [closed]

I have notice a signification data usage on my pi even when I am not using it. this can be a problem as I am using a IOT sim card with a small cap. I have setup iftop and monitored the traffic for a ...
Ghost X's user avatar
  • 139
1 vote
1 answer
97 views

How to toggle a SonoffS31 flashed with Tasmota via OpenHAB and MQTT?

I have a SonoffS31 flashed with Tasmota. I have set up a Raspberry Pi running OpenHAB and an MQTT broker. In the paper UI of openHAB, I have created a Thing that represents the switch. I have set the ...
Andrew Truett's user avatar
1 vote
0 answers
133 views

Is there any way to use scanner front panel to scan to linux?

I have a EPSON WF-3540 MFP. I want to use it to scan files directly to my NAS. As this device does not support scan to FTP or any other network share, I thought of using a lightweight linux device (e....
Svenito's user avatar
  • 11
6 votes
1 answer
164 views

Connect raspberry pi with 4G

I have a robot (use raspberry pi 3) outside my home (no internet connection there) and I'm with my laptop at home and I want to see the graphical environment (with all applications it has) of ...
Nick_Gkoutzas's user avatar