All posts by Łukasz Jokiel

PLNOG 18 Warszawa - Domoticz i DIY

PLNOG: The 18th, 19th and 22nd Polish editions – with presentations, both SildeShare and YouTube (Polish language only)

PLNOG is a conference held in Warsaw and Krakow twice a year. This is the place where IT and telco people meet. Last time I spoke about some of my experiences in building small devices, listen if want to (Polish only): During next PLNOG 19 I’m going to talk about SMOG sensor: Big Thank You to all who were present – hope you liked it! Presentation: SMOG w Grafanie (PLONOG 19 w Krakowie) from Lukasz C. Jokiel PLNOG 22, thanks for attendence and comments! PLNOG22…

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Soldered red and blue

Power supply for Raspberry Pi, Orange Pi, ESP8266 – XBOX 360 PSU modification

Proper supply of power is a very important part of our SBC (Small Board Computers) projects. Power supplies with too low current efficiency, instability and lack of filtration – often lead to accidental resets, lack of sensor readings or simply unstable behavior of SBCs. One of the solution is to modify the power supply from Microsoft console – XBOX 360. WARNING: We will work with high currents and high voltage, which requires basic knowledge of electrical engineering. The author is not responsible for accidents and…

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FLARM w szybowcu (zdjęcie: Sebastian Lampart)

Tracking gliders, airplanes, helicopters and baloons, part 3 – FLARM

We already know how to track airplanes using DVB-T USB dongle and Orange Pi or Raspberry Pi. Let’s move on to a new system that allows tracking of light aircrafts: gliders helicopters baloons smaller airplanes FLARM – is a collision avoidance system for light aircrafts, popularized and approved by EASA, gaining traction, used mainly on gliders in Poland and Europe. We’re not going to use it to avoid collision – but to receive position and track light aircrafts – so we can share them on the…

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Quatas A380

Tracking airplanes with ADS-B & MLAT revisted- building a better and cheaper reciever for Flightradar 24 and Flightaware

[Update 2017-08-22 – Sharing data with friendly radars] A lot has changed since the last entry about tracking the aircraft using ADS-B messages. There are new options for data sharing, greatly simplified installation procedure and – optionally new equipment. This allows you to build a new receiver with an emphasis on simplicity, yet lower cost of purchase and maintenance with new feature (MLAT). Moreover, in addition to the aircraft you can now track other aircraft – i.e. meteorological balloons! I call that progress! What will…

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Domoticz, InfluxDB, Grafana

Domoticz part 5: Grafana, InfluxDB, Telegraf – beautiful and easy graphs

Grafana is the answer to the nagging question we’be been asking ourselves over the years – how to quickly and nicely present our data gathered from devices. InfluxDB on the other hand is the database that is as easy and simple to use, thus making it an ideal candidate for this job. Let me show you how to quickly and easily put our data from domoticz and other devices to InfluxDB and then using Grafana – display in much more useful way than default domoticz…

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Raspberry Pi B+ with Neoway GSM M590 module

Raspberry Pi and GSM network- sending SMS, connecting to the Internet (IoT)

This time I’m going to connect to our Raspberry Pi a GSM module. Why? Internet of Things, in short IoT, as it was noted at Krakow’s PLNOG17  by Marcin Aronowski involves and depends on the network which should be easily accessible, and the very essence of IoT is the energy efficiency. Perhaps, he said, 3G will go away but 2G but will still remain. And we do not huge pipes – just enough bandwidth. 2G connection is still the cheapest in the implementation (also due…

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Rain/Snow/Water detection system

Domoticz part 6: Water/Rain/Snow/ sensor FC-37 using ESPEasy (digital)

We return today to the simple and quick solutions! The weather station or irrigation/sprinkler system – can’t operate without proper detection of rain, water or even snow. Let’s use the FC-37 sensor (also know as YL-38 or MH-RD, or just similar to the picture) What will you need? rain sensor type FC-37/MH-RD (rain drop/snow sensor) – must come with D0 pin, price around $0.50 to $1.50 ESPEasy working on ESP8266 from the previous entries Installation and configuration The sensor must be connected to the power supply + 3.3V (3V)…

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ESP8622 z wyświetlaczem SSD1306 (OLED) DHT22, BH1750 pod ESPEasy

Domoticz part 3.1: ESP Easy on ESP8266 – remote and local OLED display with temperature, humidity, light – weather station

Previously we played around the SSD1306 OLED display as side display for Raspberry Pi. The author of ESP Easy – Richard ten Klooster ( – recently updated his project to include new sensors, so today we will update our DHT22 enabled remote sensor for Domoticz with display and light metering. Our weather station will get a remote display. I’ve created such bundle of sensors to allow both temperature and humidity measurement small shack for chopped wood but also to light the way to it after…

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Raspberry PI + BME280

BME280 in Domoticz – updating the sensor data via Python

[Update: 30.07.2017 – as of now – latest stable domoticz version supports BME280, so this is now obsolete! The Hardware menu has now I2C Sensors and BME280 is present in submenu] This is a modification of:, which after you change the IP address and port of Domoticz in ip_domoticz, and creating dummy sensor in Domoticz – “Temp+Humi+Baro” – and then changing the IDX to it’s value in: idx_dummy_bme280 – will update the sensor with the same data as you can see while running the program. This…

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DS18b20 with RPi - connections

Domoticz part 4: connecting the DS18b20 thermometer

Temperature readout is one of the first sensor we add to domoticz. It’s a very simple task and allows to connect multiple thermometers via the 1-wire bus. 1-wire means that thermometer has a single data wire, on top of VCC and GND. This wire is used to send back data to 1-wire controller and then it gets verified. What will you need? Hardware: thermometer DS18B20 (Dallas) – comes in variety of housings – usually it’s a chip with 3 pins. It’s good to measure from…

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