Arduino Display Library for SPI E-Paper Displays

An ESP32 and 2.9", 4.2" or 7.5" ePaper Display reads Weather Underground data via their API and then displays the weather

A connectionless Wi-Fi communication protocol

LoraWAN-MAC-in-C library, adapted to run under the Arduino environment

Web GUI for custom Tasmota compilation

USB Mass Storage bootloader (based on UF2) for SAMD21 and SAMD51

Otto Blockly; a fully integrated graphical programming for any type of Arduino projects, including robots, ready to install in your computer, it works offline and also online

KnowFlow Automatic Water Monitoring device is an open sourced tool enable everyone having access to first hand water quality data with low cost.

ESP8266 WiFi Weather Sensor