Posts tagged with magnetic door sensors

Magnetic door sensors

Posted | Updated
Filed under Electronics

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.

Understanding the colour wheel

Posted | Updated 3 November 2021
Filed under Graphic Design

Understanding the colour wheel

The colour wheel represents the relationships between primary, secondary and tertiary colours. This post will help readers to understand the colour wheel.