Sensorhub - is a Proof of Concept project to build scaleable platform for storing sensor readings in efficient way.

Have you considered to buy cheap LoRaWAN gateway for home or development usage? We found 3 cheap gateways, that are cheap and reliable.

How we built platform independent C library for Bosch BNO055 9-axis sensor, that works well with STM32.

Crypto-ticker is a project for US based company. Its about http server and embedded firmware of the device. Device is esp8266 and server is built with Ruby. Read more below.

How to deal with flasher port configuration and source control with esp-idf framework.

First part of series about building DIY RAK833 based LoRaWAN gateway with Raspberry Pi 3B+. Ordering components and soldering explained.

Example configuration for integration between ThingsBoard IoT Platform and ChirpStack (prev. LoraServer).

Short guide about using self-signed certificates with VerneMQ MQTT broker to secure and encrypt connection between client and server.

MicroPython is great SDK for ESP8266/ESP32 MCUs. It support professional tools for CI/CD like linters, unittest and precompilation, but sometimes lacks documentation or tools maturity.

ESP8266 with Arduino SDK sometimes have random connection problems. In this article I will show one possible solution.

Small recipe how to make authentication and authorization in VerneMQ MQTT broker from external device managements JSON API.

Arduino SDK with PlatformIO is great toolset for ESP8266. It does support all modern and professional tools, eg tests and CI/CD. It uses low level C++ language with a lot of performance and complexity.

NodeMCU is ESP8266 firmware that uses Lua programming language for microcontroller programming. Its great starter and easy to use firmware.