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1PCS DC 5-80V Power Supply ESP8266 WIFI Relay Module ESP-12F Development Board
- Item No : 196359445430
- Condition : New
- Brand : Unbranded
- Seller : cayin35
- Current Bid : US $4.54
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* Item Description
- 3.6X6MM button: ESP8266 reset button. UART program download port: GND, RX, TX, 5V of ESP8266 are respectively connected to external TTL serial port module. Relay output. NC: Normally closed, the relay is short-connected with COM before it is closed, and it is suspended after being closed;.
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