Lolin Nodemcu Schematic. This is a version invented by lolin with a ch340g usb ttl chip instead of the silabs cp2102 from v1 0. The esp8266 nodemcu is a complex device which combines some features of the ordinary arduino board with the possibility of connecting to the internet.
Esp8266 dht11 dht22 schematic diagram circuit. Nodemcu has 128 kb ram and 4mb of flash memory to store data and programs. But this board is slightly larger than the v1 0.
Lolin d1 mini a mini wifi board with 4mb flash based on esp 8266ex.
Nodemcu pin distance between sides. Today we will talk about esp8266 pinning or in other words nodemcu. Due to dimensional differences between nodemcu v2 and v3 these base board will not accept nodemcu v2. Finally there is a jumper position at j1.
