Wishiot ESP8266 ESP-01S 4MB Serial WiFi Wireless Transceiver Module + CH340G Programmer USB to ESP-01 Wireless Adapter Module 4.5-5.5V industrial2 Read more Read more Read

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Wishiot ESP8266 ESP-01S 4MB Serial WiFi Wireless Transceiver Module + CH340G Programmer USB to ESP-01 Wireless Adapter Module 4.5-5.5V industrial2 Read more Read more ReadWishiot ESP8266 ESP 01S 4MB Serial WiFi Wireless Transceiver Module + CH340G Programmer USB to ESP 01 Wireless Adapter Module 4. 5 5. 5V Product Features 1, ESP8266 ESP 01S serial WiFi wireless transceiver module used 4MB Flash, not 1MB flash. 2, USB Programmer selectable working mode: On board toggle switch. UART side for serial TTL debugging by AT commands, PROG for firmware programming. 3, Programmer USB to serial TTL chip: CH340G, please check if