KS0388 Keyestudio USB to ESP-01S Wifi Module Serial Port Shield - Keyestudio Wiki
MakerFocus 2pcs ESP8266 ESP-01 Serial Wireless Transceiver WiFi Module
ESP-01 Breakout | Hackaday.io
USB to ESP-01 Adapter Board Modification : 3 Steps (with Pictures) - Instructables
Anyone got schematic to this module? Or even BRD file? : r/esp8266
The Schematic | esp01-dual-relay
Esp8266 Esp-01 Esp01 Esp-01s Serial Wifi Wireless Shield Adapter Module 3.3v 5v Serial Board For Arduino Uno R3 Microcontroller - Parts & Accs - AliExpress
ESP8266 ESP-01 Adapter with Voltage Regulator - ProtoSupplies
ESP8266 ESP-01 with USB adapter WiFi module – AZ-Delivery