Checks the level of your cistern using an ESP8266 a with a bunch of possible distance sensors (ultrasound, ToF)

Captive Portal for ESP8266 and ESP32 with simple Application

This code is a web based Arduino controller for stopping and starting an Petrol Generator

Code for connecting various sensors via network to a server

Arduino based Smart Led. The link to the demonstration is given below.

A simple garage opener (momentary relay contact) based on ESP2866

ESP8266 based dew point ventilator

Basic library debouncing keys and detect short and long pushes.

Arduino compatible DHT11/22 lib with heatindex, dewpoint and comfort algorithms

Some code I wrote for my ESP32 and ESP8266