1~10pcs 3.3V 5VESP8266 Serial Wi-Fi Wireless ESP-01 Adapter Module For Arduino
ab 1,01 €
Also, the item can be used with Arduino UNO R3 or compatible board. A adapter module for ESP-01 Wi-Fi module. 1/2/5/10 x ESP-01 Adapter Module. hope you could understand. Working current: 0-240mA.
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