Amazon.com: ESP8266 NodeMCU ESP-01 ESP-01S WiFi Development Board DS18B20 Temperature Humidity Sensor WiFi Wireless Node Module(Wireless Node Module) : Electronics
MINI WIFI Development Board PCB Mount D1 MINI V3.0.0 4MB ESP8266 Compatible With Nodemcu
Assembled Adafruit Feather HUZZAH with ESP8266 With Headers : ID 3046 : $18.95 : Adafruit Industries, Unique & fun DIY electronics and kits
D403 New Wireless Module Nodemcu Lua Wifi Internet Of Things Development Board Based Esp8266 With Pcb Antenna And Usb Port 10pcs - Integrated Circuits - AliExpress
Waveshare 1.54 Inch Bare e-Paper Screen + Driver Board Onboard ESP8266 Module Wireless WiFi Red Black and White Display
Amazon.com: EC Buying ESP8266 NodeMCU CH340 ESP-12E Development Board Serial WiFi Module IoT WIFI Development Board/NodeMcu Lua/Arduino IDE/Micropython (3PCS) : Electronics
EC Buying ESP8266 NodeMCU CH340 ESP-12E Development Board Serial WiFi Black | eBay