ESP8266 with pcb Antenna usb port ESP 12F CH340 Wireless module NodeMcu v3 Lua WIFI Internet of Things development board|Integrated Circuits| - AliExpress
ESP8266EX 32-bit Tensilica Processor wifi Chips – The Best PCB Assembly Factory in China
ESP8266EX 32-bit Tensilica Processor wifi Chips – The Best PCB Assembly Factory in China