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Guides | mosquitto | |
---|---|---|
20 | 49 | |
294 | 8,388 | |
- | 2.2% | |
4.3 | 6.5 | |
5 months ago | 4 days ago | |
Shell | C | |
- | GNU General Public License v3.0 or later |
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Guides
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How to automatically start a program when turning on the pi?
There are a couple of very good guides for starting programs on Github https://github.com/thagrol/Guides
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What is wrong with my fstab file? I have attempted to add an additional mount point, but it does not mount properly
Have a look at this pdf [Github]
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Program started using rc.local keeps receiving input from stdout
Obviously as bashrc is executed when you log in connecting twice at once (e.g. two ssh sessions, a VNC + SSH etc) will mean the program runs twice while other user accounts may not run the program at all - this may be what you want but if you are expecting it to run without you having to log in (or only run once) then have a look at the cron and boot pdf guides from Thagrol here [Github]
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Kiosk CEC questions from a newbie.
There are two good guides to automatically running commands at https://github.com/thagrol/Guides - look at the cron and boot PDFs
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How do I get files from my raspberry pi 4 to my PC?
These is a full guide here (use the NAS document) but there are many web pages on SAMBA - I would look at the Pi Foundations notes here to install this and the third section to share the Pis folder.
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help needed automating a photo slideshow at system startup
I would use a systemd service - have a look at the two startup guides (cron / boot) at https://github.com/thagrol/Guides for more info on starting up programs.
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turn off screen after booting?
One of the guys in the Pi forums created a couple of handy documents for starting programs - look at the cron and boot PDFs here (the Pi OS is a flavour of Debian so the majority of the process will be fine - some of the commands used could be different or Pi specific).
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Autostarting with OpenCV
There is a set of guides here https://github.com/thagrol/Guides - have a look through the boot and cron ones for advice.
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Can I partition or map a USB port on a laptop to be recognized by other devices as a USB drive?
I think you can even loop mount the virtual USB stick's file system and read the file without virtually disconnecting the virtual USB stick. More info in this guide.
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programm with gui but without OS
I use the BLEAK toolkit for Python and Bluetooth as my sensors are GATT servers. All data is sent over BLE broadcasts. Your sensors may be different (I would expect they are) as they could be giving a constant stream of data out. With luck they are not encrypted but here you could be on your own unless someone else has used them before. Starting up a program is documented in the cron and boot PDFs by Thagrol here - these are the no. 1 goto for this on the Pi.
mosquitto
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SObjectizer Tales - Epilogue
mosquitto_transport, an experiment of writing SObjectizer-based wrapper around mosquitto library;
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Beginner IoT project: LED Web trigger
References: Felipe Flop’s website https://www.filipeflop.com/blog/controle-monitoramento-iot-nodemcu-e-mqtt/ accessed on 01/27/2018. Eclipse server for MQTT Broker https://iot.eclipse.org/ accessed on 01/27/2018. Mosquitto https://mosquitto.org/ accessed on 01/27/2018. Cloud MQTT https://www.cloudmqtt.com/ accessed on 01/27/2018. DuckDNS https://www.duckdns.org/ accessed on 01/27/2018. Proftpd http://www.proftpd.org/ accessed on 01/27/2018. Filezilla https://filezilla-project.org/ accessed on 01/27/2018. Fritzing https://fritzing.org/ accessed on 05/25/2022. Appendices:
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Synchronize 25 ESP8266 to start playback of an audio file at the same time
This is a perfect use case for MQTT, e.g. this library for ESP boards. Create a broker on the network (e.g. a Raspberry Pi running Mosquitto, and have all the ESP boards subscribe to a topic. When you want to play a sound, publish a message to the topic, and all of the ESPs should see it very quickly. You don't need to synchronize clocks any more because it's simply based on the timing of publishing a message.
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Forward Compatibility for Mosquitto MQTT Broker with Docker Compose v2
While working on a personal project Komponist, I was due to update Mosquitto MQTT Broker due to a CVE and found some interesting changes that will impact me in the future when it comes to configuring the Broker. This post provides a solution to make the Broker compatible with future versions using new and less visited concepts in Docker Compose v2, namely:
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An AsyncAPI Example: Building Your First Event-driven API
Optional: Mosquitto, an open-source message broker that implements the MQTT protocol; this tutorial uses the public test server
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A Modern High-Performance Open Source Message Queuing System
I think he means implementation of MQTT protocol, like https://mosquitto.org/
- virtualisation.oci-containers - how can I move away from DockerHub for my image and move to building my own image from Dockerfile on owners repo?
- 7 Best MQTT Client Tools Worth Trying in 2023
- Smart switch contingency?!
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Need help using Tasmota with Reed sensors on multiple doors
Could MQTT work for you? You'd need a broker like Mosquitto, and then any of a number of MQTT clients.
What are some alternatives?
flet - Flet enables developers to easily build realtime web, mobile and desktop apps in Python. No frontend experience required.
RabbitMQ - Open source RabbitMQ: core server and tier 1 (built-in) plugins
Airport-departure-board - Decorative airport arrivals and departures virtual flipboard
Aedes - Barebone MQTT broker that can run on any stream server, the node way
python-bluezero - A simple Python interface to Bluez
NATS - High-Performance server for NATS.io, the cloud and edge native messaging system.
magicbandreader - Reads magic bands and plays sounds and lights up leds, just like the real thing.
zigbee2mqtt - Zigbee 🐝 to MQTT bridge 🌉, get rid of your proprietary Zigbee bridges 🔨
rust-raspi3-tutorial - Bare metal Raspberry Pi 3 tutorials in Rust
hivemq-community-edition - HiveMQ CE is a Java-based open source MQTT broker that fully supports MQTT 3.x and MQTT 5. It is the foundation of the HiveMQ Enterprise Connectivity and Messaging Platform
raspberrypi-ui-mods
vernemq - A distributed MQTT message broker based on Erlang/OTP. Built for high quality & Industrial use cases. The VerneMQ mission is active & the project maintained. Thank you for your support!