ESP-01S ESP8266 serielles Wi-Fi Wireless Modul + ESP-01 Adapter für Arduino
4,16 €
This is WiFi serial transceiver module, based on ESP8266 SoC which has integrated TCP/IP protocol stack. - Arduino UNO R3 and the compatible board can directly connect to this module. - You can debug the module with the USB to TTL module, such as FT232RL, CH340G module.
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