MC34063 - UV LED Flashlight Driver
Arduino - Sonoff Basic relay as http server with WPS and OTA
Arduino - Sonoff Basic relay as access point with OTA
Arduino - Web barometer with BMP280
Arduino - ESP8266 hygrometer with sensor DHT11 or DHT22
Arduino - ESP8266 s vlhkostním čidlem HTU21, klient / server pro portál tmep.cz
Arduino - AD7745, AD7746, AD7747 serial terminal
Arduino - Conversion of atmospheric pressure