Use the REST Component to Add A Shelly Switch To Home Assistant
The Shelly 1 Smart Relay: Is it better than the Sonoff Basic?
Add a door sensor to any door with a Sonoff basic
DIY Motorized Roller Shades for your smart home with WiFi, MQTT, and Voice Control
NodeMCU ESP32 and ESP8266 Pin Modes (analog and digital, inputs and outputs)