Description: With ESP8266 Wifi module,4-layers board design. Input overvoltage protection, input with TVS, when voltage exceeds 33V, automatic protection will operate. Input overcurrent protection. 220V 10A relay, one normally open, one normally closed. One way optocoupler isolation input, TVS input protection. High-cu
Wi-Fi Relay Module,ESP-12 Dual-Channel PCB Driver Module Optocoupler Relay Module,TVS Input Protection Electronic Components Industrial Parts DC 8-80V for ESP8266 : Electronics
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