Android app to forecast the output of your photovoltaic system (PV) or balcony pv using data from Open-Meteo.com. Even shading and the temperature coefficient are taken into account.

using a polynomial to get improved battery capacity information (ESP32/8266 or UNO)

The online GPX file editor

A JavaScript / TypeScript / Python / C# / PHP cryptocurrency trading API with support for more than 100 bitcoin/altcoin exchanges

A complete open source system for tracking and visualizing cryptocurrency price movements on leading exchanges

GTrader MySQL Nginx-SSL