MatsK
  • Member for 4 years, 5 months
  • Last seen more than a month ago
Can I use an ESP8266 as an MQTT broker?
8 votes

My suggestion would be a mosquitto MQTT broker on a Raspberry Pi. There is an article here https://tech.scargill.net/a-christmas-script/ where Peter Scargill have made a script that installs all ...

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Standards for non-Internet-connected WiFi devices?
7 votes

My recommendation is MQTT. Versatile, lightweight and modular, it can even run on a ESP8266 (Hub and client). The MQTT protocol is available for many platforms from embedded, mobile devices and up to ...

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What is the difference between SPIFFS and EEPROM?
6 votes

SPIFFS (Serial Peripheral Interface Flash File System) is a method for creating a file system in NOR-type flash memory. EEPROM (Electrically Erasable Programmable Read-Only Memory) is a type of non-...

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Is there a way to create WiFi with one Access Point, which should cover a big building?
5 votes

One Access Point for 250m2 and 3 floors, seems to stretch WiFi a bit. It depends on the material in the building, surrounding interference and antenna. To give a answer, one should do a survey and ...

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Alternatives to MQTT for local / remote bridging
Accepted answer
4 votes

You are trying to use a system that is not designed for your situation. MQTT is designed as an: MQTT is a machine-to-machine (M2M)/"Internet of Things" connectivity protocol. It was designed as ...

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Fluorescent Tubes - Sonoff Switch?
4 votes

Yes thats a viable solution. It vary between the different Sonoff devices. Note! Beware, working with mains voltage is lethal!

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Could not ping ESP8266 Wifi module connected to an Arduino
Accepted answer
4 votes

255.255.255.0 is the value that determines the SIZE of the subnet. 192.168.1.xxx with the subnet mask 255.255.255.0 is a subnet spanning from 192.168.1.0 to 192.168.1.255. 192.168.10.xxx with the ...

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ESP8266 code using Python
4 votes

A powerful and simple communication protocol is MQTT. MQTT is a protocol that is suitable for communication between low power devices like ESP8266 and Raspberry Pi. It is lightweight and simple to ...

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Trigger to remote server when my device in low-battery?
4 votes

Since you haven't included info about hardware, just mentioned a device. A low power detection circuit is quite simple, a OP-amp, zener diode and a couple of resistors/potentiometer is all whats is ...

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How to measure temperature using a sensor and Raspberry Pi?
4 votes

10 hours, and a few sensors, then the Raspberry Pi is overkill. A arduino is a more fitting device. And take a look at one-wire temp sensors like DS18B20 then you have a digital output from the temp ...

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Is there a way to control my lights from my Linux desktop?
4 votes

There are sooooo many ways to do what you ask for. There are proprietary solutions with API's and there are Open solutions with total openness. Your question is broad and hard to give a straight ...

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How to control my telephone via Mobile/IoT?
Accepted answer
2 votes

Yes you could add a relay that disconnect the telephone wires and control that with a IoT device or ex. a Arduino with a a GSM module like SIM800/900 and control the relay.

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Can I remotely control a NON SMART tv connected to my home network?
1 votes

Yes, it has surely an IR remote. And there are several commercial "Bridges between IR and an automation source" as well as many, many projects that is addressing the same task. And the IR ...

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Arduino IDE friendly Ethernet development board with ADC?
1 votes

You can store it in the EEPROM. The other solution is to have the ESP8266 act as an AP if it loses WiFi connection over a longer time. There are ethernet shields to Arduino based on chip ws5100 or ...

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Does anyone else make a product like the Leviton Smart Wi-Fi 4 Button Controller DW4BC-1BW?
0 votes

SonOff has "Smart Wall Switches" that can be used as you describe and is also powered by mains. They can also be re-programmable with other firmware like tasmota or with your own code as it ...

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