Many thanks to all of you. These replies finally clears my doubts. Currently I was using DHT22 breakout board and probably that's why this question came into my mind. My next project however will be 220V bulb control using ESP-12 and a relay board with both - manual latch switch and Domoticz timers....

Hi, Sorry if the question is silly but it's my starting point with ESP, What's the point of buying sensors in "module version" instead of connecting bare sensors. For example if I wanted to connect temperature sensor I could connect to my ESP8266 either "bare" DHT22 using 3 out o...