ESP8266 WIFI 4 Kanal Relais Modul ESP-12F 30A Entwicklungsboard für Arduino
15,86 €
WiFi module, all I/O ports are led out, and it supports DC7-28V/5V power. On-board mature and stable ESP-12F WiFi module, large capacity 4M Byte Flash;. The I/O port and UART program download port of the WiFi module are all.
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