Amazon.com: Kookye USB to Serial Adapter Based on ESP8266 WiFi microcontroller with Power Supply Voltage 3.3V / 5V for ESP8266 ESP-01 ESP-01S WiFi Module, Compatible with Arduino IDE Programming Adapter/Tool : Industrial
uart - ESP8266 Programming using ESP-01 to USB converter - Arduino Stack Exchange
Amazon.com: Wishiot ESP8266 ESP-01S 4MB Serial WiFi Wireless Transceiver Module + CH340G Programmer USB to ESP-01 Wireless Adapter Module 4.5-5.5V : Electronics