Push switch
In today's world, Push switch is a topic that generates great interest and debate in different areas. Whether in the academic, social, political or cultural field, Push switch is a topic that leaves no one indifferent. Its relevance has transcended borders and has captured the attention of people of all ages and professions. In this article, we will delve into the different aspects related to Push switch, analyzing its impact on today's society and exploring possible solutions or approaches to address this issue effectively. Through in-depth and objective research, we will seek to fully understand the importance and implications of Push switch today.
A push switch (button) is a momentary or non-latching switch which causes a temporary change in the state of an electrical circuit only while the switch is physically actuated. An automatic mechanism (i.e. a spring) returns the switch to its default position immediately afterwards, restoring the initial circuit condition. There are two types:[1]
- A 'push to make' switch allows electricity to flow between its two contacts when held in. When the button is released, the circuit is broken. This type of switch is also known as a Normally Open (NO) Switch. (Examples: doorbell, computer case power switch, calculator buttons, individual keys on a keyboard)
- A 'push to break' switch does the opposite, i.e. when the button is not pressed, electricity can flow, but when it is pressed the circuit is broken. This type of switch is also known as a Normally Closed (NC) Switch. (Examples: Fridge Light Switch, Alarm Switches in Fail-Safe circuits)
Many push switches are designed to function as both 'push to make' and 'push to break' switches. For these switches, the wiring of the switch determines whether the switch functions as a 'push to make' or as a 'push to break' switch.
References
- ^ Barrett, S.F.; Pack, D.J. (2008). Atmel AVR Microcontroller Primer: Programming and Interfacing. Synthesis lectures on digital circuits and systems. Morgan & Claypool Publishers. p. 110. ISBN 978-1-59829-541-2. Retrieved 13 September 2018.
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