Firmware for the Shelly 1L (https://shelly.cloud/knowledge-base/devices/shelly-1l/)
This firmware has been developped with the following libraries:
- ESP8266TimerInterrupt 1.0.3: https://github.com/khoih-prog/ESP8266TimerInterrupt
- WifiManager 2.0.3-alpha: https://github.com/tzapu/WiFiManager
- Adafruit MQTT Library 1.3.0: https://github.com/adafruit/Adafruit_MQTT_Library
- Arduino IDE 1.8.3