The ESP8266 four-channel WIFI relay module uses ESP-01 as the WIFi module. IN +, IN-: 5V / 12V power input;. 1 Way relay module 5v/12v. Reserved: UART debugging interface and STM8 SWIM program download interface.
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◆If there are no special circumstances, your product will not be delayed in arrival.
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ESP8266 ESP-01S Transceiver Module. This is a breadboard adapter for the popular ESP-01 model of the ESP8266 serial-to-WiFi transceiver module. ESP8266 Esp-01 WIFI Wireless Transceiver Module. Its high degree of on-chip integration allows for minimal external circuitry, and the entire solution, including front-end module, is designed to occupy minimal PCB area.
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Communication: WIFI (ESP8266 module). 1 x ESP8266 ESP-01S Relay Module. This relay is based on ESP-01S WIFI module. Note: the item is not include ESP-01S Wifi Module.
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◆If there are no special circumstances, your product will not be delayed in arrival.
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