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1500 questions
4
votes
1 answer

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 stack v5.50. I have run into the most puzzling…
holofermes
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4
votes
2 answers

OS for Orange Pi zero plus

I bought an orange pi zero plus and want to make a wifi access point that passes all traffic of the connected devices through tor. Simply I wanted a dev board that has gigabit ethernet and wifi for access point, and is as cheap as possible. I want…
K_lash96
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4
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With Nest camera, is there a way to completely disable event generation for a zone?

Is there a way to make a given area of the camera view generate no events, not even those that show up in the timeline? I have set up zones for the areas of interest to me, but I continue to get events for areas outside any zone. I can set up a zone…
Bryce
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4
votes
3 answers

MQTT - keepAlive using Arduino

I'm using MQTT broker for my IOT devicess, mostly ESP8266 ( some are NodeMCU, some Wemos mini, and some are Sonoff) , running an Arduino code, some time ( about a year ). MQTT broker is running on a RasppberryPi Zero W, flawlessly. All devices using…
guyd
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4
votes
2 answers

Belkin Wemo API?

Looking for some API docs on querying & control of Belkin Wemo switches/plugs. I have discovery working but can't seem to find any concise documentations describing how to do much else. I can see discovery events & process the xml details: HTTP/1.1…
Status3543
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4
votes
2 answers

How to select a right database for IoT gateway?

Assume I build a IoT gateway (Linux OS) for collecting data from sensors. Data is store on database, and can be viewed via a web server implement on this gateway. Storage is not much, about 2GB. Which database is a good choice for this situation?…
Owl City
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4
votes
1 answer

Installing apps on TCL Smart TV

I have this 43 inch UHD TCL 43R500 TV. But I am struggling to Install 3rd party apps on it. So it have a build in App Store TV4 but that doesn't have any good app. What I have tried is: To copy the .apk file in Pen Drive and try installing from…
Mikku
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4
votes
1 answer

Can I send messages from LORIOT to an HTTP web server?

I actually send data packet from LORIOT and TTN to Cayenne. I would understand if is possible to send instead data from Loriot or TTN to my custom http web server, if there is any procedure around explaining how to manage this?
4
votes
3 answers

Can somebody explain why some pins on Olimex ESP32-EVB cannot be used?

I am in need to configure two UART connections from Olimex ESP32-EVB to a scanner and to a card reader. I was exploring the GPIO pins that could have helped to establish those connections, but unfortunately from what I could understand I can only…
ISimion
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4
votes
2 answers

Solution for Outdoor Geolocation

I am new to the Internet of Things space and would like to inquire if a solution exists / could be created for real-time geolocation of an intermittently mobile object (not an automobile)? The GeoLocation would have to work mostly outdoors and would…
Nikhil
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4
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0 answers

Advice for building a home automation system

I am not sure what technologies to use in order to build an IoT system for my home. I have a few sensors and some other devices that need to be controlled (like a doorlock) placed in my house. All of them have WiFi integrated. I want to see all the…
4
votes
3 answers

Mosquitto broker not authenticating, allowing mosquitto_pub and mosquitto_sub anonymously

This is my config file /etc/mosquitto/mosquitto.conf # Place your local configuration in /etc/mosquitto/conf.d/ # # A full description of the configuration file is at # /usr/share/doc/mosquitto/examples/mosquitto.conf.example pid_file…
4
votes
1 answer

How do you debug your ESP32 applications?

So, I asked a question on Hardware Recommendations, looking for a Windows USB dongle for LoRa/LoRaWan and BT5/BLE I want to develop on ESP32 and to use my Windows laptop as a server to the ESP32's client. The reason I asked that question looking for…
Mawg
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4
votes
0 answers

Powering an ESP32 used for controlling solenoids remotely

Context I am from a software engineering background, so I don't know too much about electric engineering apart from basic stuff like Ohm's Law (but willing to learn if needed). I'm building a garden irrigation system for my home. The valves are…
Lukas Kurz
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4
votes
1 answer

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 example. The problem with that is that it's not…