Wireless & Networking
NodeMCU V2 ESP8266 Development Kit
NodeMCU v2. NodeMCU is an open source IoT platform including a firmware which runs on the ESP8266 with the Espressif Non-OS SDK, and hardware based on the ESP-12 module. The device features 4MB of flash memory, 80MHz of system clock, around 50k of usable RAM and an on chip Wifi Transceiver.
WeMos D1 Mini V2 NodeMcu
The D1 Mini is a WiFi capable ESP8266 based WIFI development board in the form of the common Arduino UNO board format. This board is compatible with the Arduino IDE and with NodeMCU. The D1 Mini also features an on-board switching power supply which allows you to power the board from a power supply up to 12V.
WeMos D1 R1 WiFi Development Board
WEMOS D1 is a WIFI development board based on ESP8266 12E. The functioning is similar to that of NODEMCU , except that the hardware is built resembling Arduino UNO. … R1 , R2 boards look like Arduino UNO board ,but version is not printed on board.
Wemos NodeMCU (ESP8266) with OLED Display
Wemos Nodemcu ESP8266 Wifi 0.96 Inch OLED Board development board integrates the ESP8266 0.96 Inch OLED having a resolution of 128×64. OLED is a self light-emitting technology composed of a thin, multi-layered organic film placed between an anode and cathode a next generation of flat-panel displays.