Posts tagged with Songle

ESP8266 5V Wi-Fi relay switch modules

Posted | Updated
Filed under Electronics

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.

Relay switch modules

Posted | Updated
Filed under Electronics

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.

Plastic brick solid colour palette

Posted | Updated 17 April 2022
Filed under LEGO

Plastic brick solid colour palette

LEGO has released various brick colours to their catalogue. While some colours are still in use, some have been discontinued. All colours with info are listed here.