Vivid light

Tag: ESP8266

  • SP8266 Series – ESP-01S Control Relay Module

    —

    by

    Sophia K
    in

    In smart home applications, we may need to control high-voltage devices that use AC power, such as lights, fans, or other household appliances. However, microcontrollers generally operate on a direct current voltage of 5V (DC5V) and cannot directly control these high-voltage electrical appliances.At this point, a relay module is needed. Relays are inexpensive and easy…