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Articles authored by martinius96
Articles being sold by martinius96.
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Why wouldn't I buy LaskaKit's ESPD-35 again? - TFT LCD compact with ESP32 by martinius96An article about kites from the Laskakit eshop, which created a custom PCB on which an ESP32 microcontroller and an LCD TFT display with touch support are mounted. This article I have in slovak language published on my blog. It will not be... -
Augmented reality (AR) - IoT dashboard by martinius96Try water level monitor project with your hardware (Arduino, ESP32, ESP8266). There are several sample source codes available in Arduino Core, or ESP-IDF. There are also many available transmission technologies for direct or indirect writing to...
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Solar powered ESP32 - WiFi / LoRaWAN by martinius96The program implementation is available on Github of the level meter project: https://github.com/martinius96/hladinomer-studna-scripty/blob/master/examples/Hladinomer/LoRaWAN/LoRaWAN.ino Live data on the test web interface can be seen at:...
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BLE Beacon based on ESP32 with custom payload by martinius96BLE Beacon based on ESP32 microcontroller that is able to share (advertise) custom payload with non pre-defined BLE profile [IMG] [IMG] [IMG]
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ESP-IDF in Wokwi simulator - ESP32 by martinius96The article describes the use of low-level programming in C/C++ in the ESP-IDF framework paradigm from Espressif Systems for the development of an IoT application in the Wokwi simulator. The article points out the differences compared to a fully...
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Sensors for measuring water level with Arduino / ESP32 by martinius96Try the web interface of the Water Level Monitor project with your hardware (microcontroller and ultrasonic distance sensor), or create a program implementation with one of the described sensors:...
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ESP32 - PHY Ethernet LAN8720 by martinius96Program implementation for Ethernet PHY thermostat on ESP32: https://martinius96.github.io/thermostat-ethernet/phy_ethernet.html Program implementation for Ethernet PHY sensor node with ultrasonic sensor on ESP32:...
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How to run an ineffective program efficiently? - FreeRTOS by martinius96Article related to ESP32 microcontroller that are programmed under Arduino IDE using Arduino Core (Wiring) that supports also FreeRTOS that is helpful for running multiple non-blocking loops known as tasks. [IMG] Also available in the article is...
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Opening the CAME garage door via smartphone by martinius96Integrating the garage door opener via smartphone via the Tuya app while maintaining the original control via the floating code remote control. The Tuya application also informs the user about opening the gate with the remote control. The garage...
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WiFi thermostat - Espressif Systems - ESP8266 / ESP32 by martinius96Article describes the WiFi thermostat project and its implementation on microcontroller platforms from Espressif Systems - ESP8266 and ESP32. The level meter allows to control the output - relay, which switches the control signal for the boiler...
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ULP applications - ESP8266 / ESP32 by martinius96Article describes the Deep Sleep operating mode implemented in the ESP8266 and ESP32 microcontrollers produced by Espressif Systems. The article explains the principles of waking up the Xtensa processor using available wake-up resources. The...
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Detection characteristics - MATLAB by martinius96Article describes detections characteristics of ultrasonic distance sensors that can be used in various applications. MATLAB script is available at: https://github.com/martinius96/hladinomer-studna-scripty/blob/master/docs/MATLAB/HCSR04.m [IMG]...
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Basic operations with images - MATLAB by martinius96Article describes the basic information with images in the MATLAB environment. Loading an image, editing the matrices in which the image is represented, converting the image to grayscale using the different components of the RGB model and their...
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Bosch BME280 sensor in ESP-IDF framework by martinius96The article describes the software support for the popular I2C sensor Bosch BME280 in the ESP-IDF framework environment for the target microcontroller platform ESP32 from Espressif Systems. The article points out compatibility, creation of own -...
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Detection characteristics - MATLAB by martinius96MATLAB related article about calculating and plotting beam width to figure() when knowing detection angle of ultrasonic sensors for measuring water level in well. Source code is NOT included. [IMG] [IMG] [IMG] [IMG] [IMG]
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Working with images - MATLAB by martinius96MATLAB relate article about basic work with images - imread(), editations, rotation, changing pixels in matrix. [IMG] [IMG] [IMG] [IMG] [IMG] [IMG] [IMG] [IMG]
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ESP32 support for WiFi thermostat project by martinius96The article describes the support of the ESP32 microcontroller for the WiFi thermostat project, which was originally created for the ESP8266. The article discusses the compatibility of the WiFiManager library, which is responsible for configuring...
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Beamforming visualization - MATLAB by martinius96Description of Beamforming technology for use in radio networks for LTE, 5G with visualization in MATLAB. The article does not contain source code in MATLAB. [IMG] [IMG] [IMG]
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ESP-IDF support for the Water level project for ESP32 by martinius96Article about support of software implementation for the ESP32 microcontroller into the existing project for measuring the water level in the well in the ESP-IDF framework as equivalent to the Arduino Core source code. The article describes the...
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