ESP-01S ESP8266 Serial Wi-Fi Wireless Module + ESP-01 Adapter for Arduino
3,47 €
This is WiFi serial transceiver module, based on ESP8266 SoC which has integrated TCP/IP protocol stack. This item is for what use. It optimizes the filter circuit and reduces power consumption. It is compatible with ESP-01 and it is an upgraded and improved version of ESP-01 module.
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