![background image](http://html1.mh-extra.com/html/wemos/d1-mini-v3/d1-mini-v3_manual_956199001.webp)
is an ESP8266 board that’s interesting thanks to its size, its low price ($4), micro USB
that looks fairly good. The board can be programmed with
Arduino or Lua, and supports both serial and OTA programming. I’ve decided to give it a try and bought
the board together with two temperature shields, a relay shield, and micro SD shield.
Click to Enlarge
, and it took about one month for delivery. I can also see
they’ve recently released a new OLED shield selling for
. All shields were shipped inside their
own anti-static bags.
The pins are clearly marked on both side of the board and the shields. One side of the board features
ESP8266 module.