USB to TTL UART Adapter communicating with ESP8266 and providing 5V to the 3.3V regulator powering the chip Btw… you can get USB to TTL-level UARTs super cheap, check out electrodragon for ones ...

The ESP8266 is the reigning WiFi wonderchip, quickly securing its reputation as the go-to platform for an entire ecosystem of wireless devices. There’s nothing that beats the ESP8266 on a cap… ...