Shelly 1 - a Light Switch & Run Down Timer. : 3 Steps - Instructables

Shelly 1 - a Light Switch & Run Down Timer.: This was a solution to have an outdoor light that can be switched on when needed, and could also time out at the push of a button. Using a shelly is cheaper than installing a sensor and gives more user flexibility and control. Simply push the button…

instructables DHT22 Environment Monitor Instruction Manual

Living Room for Movie With Shelly : 4 Steps - Instructables

Adding a simple delay to a two wire circuit : r/ElectricalEngineering

Adding a simple delay to a two wire circuit : r/ElectricalEngineering

Integrating HVAC system to HA via BMS interface - #1000 - Home Assistant Community