Posts tagged with Switches

ESP8266 5V Wi-Fi relay switch modules

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ESP8266 5V Wi-Fi Relay Switch Modules

ESP8266 5V Wi-Fi relay switch modules are Wi-Fi enabled, relay power switches with an ESP-01 board. They can be controlled wirelessly from smart devices.

Magnetic door sensors

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Introducing Magnetic door sensors

Magnetic door sensors can establish if a door is open or closed and are commonly used in alarm systems to trigger the opening and closing of doors and windows.

Relay switch modules

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Relay switch modules are used as high-voltage AC switches using DC power. It is made up of a relay, screw terminals, a resistor, diode, capacitor, transistor and LED.