Posts tagged with Switches

ESP8266 5V Wi-Fi relay switch modules

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

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

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.