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Relais de réseau de relais ESP8266 WIFIESP8266 WIFI relay network relay 1 The power input terminals. 2 The relay output terminals. 3 IO input terminal. 4 Enter the status indicator, IO input high when lit, blue light. 5 The relay output status indicator, the relay is turned on, the red light. 6 TTL serial output. 7 Boot mode selection jumper. Board Connectors Here are the connections on my board: A: 7 30V+ DC power supply B: Power supply ground C: Normally closed (NC) relay contact D:
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Relais de réseau de relais ESP8266 WIFI
Item no
:
76540714712
US$ 33.00
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